Upload File

periodic signal a signal is periodic if and only if a signal is periodic if and only if s(t + t) =...

  • Home
  • Documents
  • Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values
83
Periodic signal Periodic signal A signal is periodic if and A signal is periodic if and only if only if s(t + T) = s(t) for all s(t + T) = s(t) for all values of t values of t T is the period of the signal. T is the period of the signal.

Post on 21-Dec-2015

224 views

Category:

Documents


0 download

Report

Tags:

TRANSCRIPT

Page 1: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Periodic signalPeriodic signal

A signal is periodic if and only ifA signal is periodic if and only if

s(t + T) = s(t) for all values of ts(t + T) = s(t) for all values of t

T is the period of the signal.T is the period of the signal.

Page 2: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Analog signalAnalog signal

An analog signal is a continuously An analog signal is a continuously varying electromagnetic wave that varying electromagnetic wave that may be propagated over a variety of may be propagated over a variety of media, depending on spectrum.media, depending on spectrum.

Page 3: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Digital signalDigital signal

A digital signal is a sequence of A digital signal is a sequence of voltage pulses that may be voltage pulses that may be transmitted over a wire medium.transmitted over a wire medium.

Page 4: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Characteristics of a Characteristics of a periodic signalperiodic signal

AmplitudeAmplitude instantaneous value of a signal at any instantaneous value of a signal at any

time.time. Frequency Frequency

the inverse of the period (1/T), or the the inverse of the period (1/T), or the number of repetition of the period per number of repetition of the period per second; it is expressed in cycles per second; it is expressed in cycles per second, or hertz (Hz).second, or hertz (Hz).

Phase Phase measure of the relative position in time measure of the relative position in time

within a single period of a signal.within a single period of a signal.

Page 5: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Spectrum and bandwidthSpectrum and bandwidth

Spectrum of a signal is the range of Spectrum of a signal is the range of frequencies that it contains.frequencies that it contains.

Bandwidth of a signal is the width of Bandwidth of a signal is the width of the spectrum in which most of the the spectrum in which most of the energy in the signal is contained.energy in the signal is contained.

Page 6: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Transmission Transmission

Data transmission occurs between Data transmission occurs between transmitter and receiver over some transmitter and receiver over some transmission medium.transmission medium.

Transmission media may be Transmission media may be classified as guided or unguided.classified as guided or unguided.

Page 7: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Guided mediaGuided media

With guided media, the wave are With guided media, the wave are guided along a physical path; guided along a physical path; example of guided media are:example of guided media are:

twisted pairtwisted pair coaxial cablecoaxial cable optical fiberoptical fiber

Page 8: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Unguided mediaUnguided media

Unguided media provide a means for Unguided media provide a means for transmitting electromagnetic waves transmitting electromagnetic waves but do not guide them; examples are but do not guide them; examples are propagation through:propagation through:

airair vacuumvacuum seawaterseawater

Page 9: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Direct linkDirect link

The term direct link is used to refer The term direct link is used to refer to the transmission path between to the transmission path between two devices in which signals two devices in which signals propagate directly from transmitter propagate directly from transmitter to receiver with no intermediate to receiver with no intermediate devices, other than amplifier or devices, other than amplifier or repeaters used to increase signal repeaters used to increase signal strength.strength.

Page 10: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Point-to-Point Point-to-Point

A guided transmission medium is A guided transmission medium is point-to-point if it provides a direct point-to-point if it provides a direct link between two devices and those link between two devices and those are the only two devices sharing the are the only two devices sharing the medium.medium.

Page 11: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Point-to-Point Point-to-Point

Transmitter/receiver Medium

Amplifieror repeater

Medium Transmitter/

receiver

0 ormore

Page 12: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Multipoint Multipoint

In a multipoint guided configuration, In a multipoint guided configuration, more than two devices share the more than two devices share the same medium.same medium.

Page 13: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Multipoint Multipoint

Transmitter/receiver

Medium Amplifieror repeater

Transmitter/receiver

Transmitter/receiver

Transmitter/receiver

Medium

0 or more

….

Page 14: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Simplex transmissionSimplex transmission

In simplex transmission, signals are In simplex transmission, signals are transmitted in only one direction; transmitted in only one direction; one station is transmitter and the one station is transmitter and the other is receiver.other is receiver.

Page 15: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Half-duplex transmissionHalf-duplex transmission

In half-duplex transmission, both In half-duplex transmission, both station may transmit, but only one at station may transmit, but only one at a time.a time.

Page 16: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Full-duplex transmissionFull-duplex transmission

In full-duplex transmission, both In full-duplex transmission, both station may transmit simultaneously. station may transmit simultaneously. In this case the medium is carrying In this case the medium is carrying signals in both direction. signals in both direction.

Page 17: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Telecommunication Telecommunication DevicesDevices

ModemsModems Fax modemsFax modems Special purpose modemsSpecial purpose modems MultiplexersMultiplexers

TDMTDM FDMFDM

Communication processorsCommunication processors

Page 18: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Telecommunication Telecommunication Carriers & ServicesCarriers & Services

Common carriersCommon carriers AT&TAT&T MCIMCI SprintSprint

Value added carriersValue added carriers TelnetTelnet SprintNetSprintNet

Page 19: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Switched LinesSwitched Lines

Switched line is a standard Switched line is a standard telephone line that uses switching telephone line that uses switching equipment to allow one transmission equipment to allow one transmission device to be connected to other device to be connected to other transmission devices.transmission devices.

Page 20: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Dedicated LineDedicated Line

Dedicated line is a line that provides Dedicated line is a line that provides a constant connection between two a constant connection between two points.points.

Page 21: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Private Branch ExchangePrivate Branch Exchange

PBX is a communications system PBX is a communications system that can manage both voice and data that can manage both voice and data transfer within a building and to transfer within a building and to outside lines.outside lines.

PBX can store callsPBX can store calls PBX can transfer callsPBX can transfer calls PBX can serve as a connection PBX can serve as a connection

between different office devicesbetween different office devices

Page 22: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Wide Area Wide Area Telecommunication ServiceTelecommunication Service WATs is a billing method for heavy WATs is a billing method for heavy

users of voice band media.users of voice band media.

Page 23: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Integrated Services Integrated Services Digital NetworkDigital Network

ISDN is a technology that uses ISDN is a technology that uses existing common carrier lines to existing common carrier lines to simultaneously transmit voice, video, simultaneously transmit voice, video, and image data in digital form.and image data in digital form.

Page 24: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Network TopologyNetwork Topology

RingRing BusBus StarStar HybridHybrid HierarchicalHierarchical

Page 25: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Type of NetworksType of Networks

LANLAN WANWAN

Page 26: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Communication ProtocolCommunication Protocol

Open System Interconnection (OSI)Open System Interconnection (OSI) Transmission Control Transmission Control

Protocol/Internet Protocol (TCP/IP)Protocol/Internet Protocol (TCP/IP) System Network Architecture (SNA)System Network Architecture (SNA) EthernetEthernet X.400X.400 X.500X.500

Page 27: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

SOISOI

Physical layerPhysical layer transmits the data from one node to transmits the data from one node to

another.another. Data link layerData link layer

format the data into a record called a format the data into a record called a frame and performs error detection.frame and performs error detection.

Network layerNetwork layer causes the physical layer to transfer the causes the physical layer to transfer the

frames from node to node.frames from node to node.

Page 28: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

OSIOSI

Transport layerTransport layer enable the user and host nodes to enable the user and host nodes to

communicate with each other.communicate with each other. Session layerSession layer

initiate, maintains, and end each initiate, maintains, and end each session.session.

Presentation layerPresentation layer formats the data so that it can be formats the data so that it can be

presented to the user or the host.presented to the user or the host.

Page 29: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

OSIOSI

Application layerApplication layer controls user input from the terminal controls user input from the terminal

and executes the user’s application and executes the user’s application program in the host computer.program in the host computer.

Page 30: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Data Transfer ModesData Transfer Modes

Packet switchingPacket switching Frame relayFrame relay Voice over frame relayVoice over frame relay Asynchronous transfer mode (ATM)Asynchronous transfer mode (ATM)

Page 31: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Internet Internet

The internet is the world’s largest The internet is the world’s largest computer network.computer network.

It is a collection of interconnected It is a collection of interconnected networks, all freely exchanging networks, all freely exchanging information.information.

Page 32: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Internet ProtocolInternet Protocol

The set of conventions used to pass The set of conventions used to pass packets from one host to another is packets from one host to another is known as the internet protocol (IP)known as the internet protocol (IP)

TCP (transport control protocol is TCP (transport control protocol is widely used.widely used.

Page 33: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Ways to connect to Ways to connect to internetinternet

LANLAN SLIP ( serial line internet protocol) SLIP ( serial line internet protocol)

or PPP (point to point protocol)or PPP (point to point protocol) On-line serviceOn-line service

Page 34: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

World Wide Web (www)World Wide Web (www)

WWW is a collection of over 30,000 WWW is a collection of over 30,000 independently owned computer that independently owned computer that together as one in an internet together as one in an internet service.service.

Page 35: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Web BrowserWeb Browser

Web browser creates a unique, Web browser creates a unique, hypermedia based menu on your hypermedia based menu on your computer screen that provide a computer screen that provide a graphical interface to the the Web.graphical interface to the the Web.

Page 36: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

HypermediaHypermedia

Connects the data on pages, Connects the data on pages, allowing users to access topics in allowing users to access topics in whatever order they wish.whatever order they wish.

Allows you to bring up pictures, Allows you to bring up pictures, graphs and other displays with graphs and other displays with sound and motion.sound and motion.

Page 37: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Web Search EngineWeb Search Engine

Web search engines take the place Web search engines take the place of the card catalog.of the card catalog.

They are software programs that They are software programs that allow you to search for information allow you to search for information on the Web.on the Web.

Page 38: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Intranet Intranet

An intranet is an internal corporate An intranet is an internal corporate network built using internet and network built using internet and Web standards.Web standards.

Page 39: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Cryptography Cryptography

Cryptography is the process of Cryptography is the process of converting a message into a secret converting a message into a secret code and changing the encoded code and changing the encoded message back to regular text. message back to regular text. (digital signature) (digital signature)

Page 40: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Firewalls Firewalls

The most popular method of The most popular method of preventing unauthorized access to preventing unauthorized access to corporate computer data to corporate computer data to construct is known as a firewall.construct is known as a firewall.

Firewalls can be a set of filtering Firewalls can be a set of filtering rules or specially configured rules or specially configured hardware.hardware.

Page 41: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Zone Zone

edu = educational sitesedu = educational sites mil = militarymil = military gov = governmentgov = government net = networking organizationsnet = networking organizations nom = individualsnom = individuals org = organizationorg = organization com = commercialcom = commercial

Page 42: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Telnet and FTP Telnet and FTP

Logon to another computer and Logon to another computer and access its public files.access its public files.

Copy a file from another computer to Copy a file from another computer to your computer.your computer.

Page 43: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

E-mail (store and E-mail (store and forward)forward)

To send text, binary files, sound, and To send text, binary files, sound, and images to others.images to others.

Page 44: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Amplitude Shift Keying Amplitude Shift Keying (ASK) (ASK)

To encode binary data by varying To encode binary data by varying the amplitude of signal.the amplitude of signal.

Page 45: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Frequency Shift Keying Frequency Shift Keying (FSK) (FSK)

To encode binary data by varying To encode binary data by varying the frequency of signal.the frequency of signal.

Page 46: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Phase Shift Keying Phase Shift Keying (PSK) (PSK)

To encode binary data by transition To encode binary data by transition or shift from one phase to another.or shift from one phase to another.

Page 47: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Bit Synchronization Bit Synchronization

Coordination of signal measurement Coordination of signal measurement timing is called bit synchronization.timing is called bit synchronization.

There are two methods of bit There are two methods of bit synchronization:synchronization: AsynchronousAsynchronous SynchronousSynchronous

Page 48: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Asynchronous Bit Asynchronous Bit Synchronization Synchronization

Massages begin with a start bit so that Massages begin with a start bit so that the receiving device can synchronize its the receiving device can synchronize its internal clock with the timing of the internal clock with the timing of the massage.massage.

Asynchronous transmissions are normally Asynchronous transmissions are normally short, and the end of message is signaled short, and the end of message is signaled by a stop bit.by a stop bit.

Media is idle and the sender’s and Media is idle and the sender’s and receiver’s clocks are not synchronized receiver’s clocks are not synchronized when no data is being transmitted.when no data is being transmitted.

Page 49: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Synchronous Bit Synchronous Bit Synchronization Synchronization

Clocks of the sender and receiver Clocks of the sender and receiver are synchronized by one of the are synchronized by one of the following methods:following methods: guaranteed state changeguaranteed state change separate clock signalseparate clock signal oversamplingoversampling

Page 50: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Baseband & Broadband Baseband & Broadband TransmissionsTransmissions

Baseband: these transmission use Baseband: these transmission use the entire media bandwidth for a the entire media bandwidth for a single channel. Most LAN use single channel. Most LAN use baseband signaling.baseband signaling.

Broadband: these transmission Broadband: these transmission provide the ability to divide the provide the ability to divide the entire media bandwidth into multiple entire media bandwidth into multiple channels.channels.

Page 51: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Selecting NICSelecting NIC

Type of networkType of network Token Ring, Ethernet, ATM,…etcToken Ring, Ethernet, ATM,…etc

Type of mediaType of media coaxial cable, STP, UTP, fiber,…etccoaxial cable, STP, UTP, fiber,…etc

Type of busType of bus ISA, EISA, VESA,…etcISA, EISA, VESA,…etc

Page 52: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Bus ArchitecturesBus Architectures

ISA (Industry Standard Architecture)ISA (Industry Standard Architecture) 8 bit and 16 bit bus (10MHz)8 bit and 16 bit bus (10MHz)

PCI (Peripheral Computer PCI (Peripheral Computer Interconnect)Interconnect) 32 bit or 64 bit bus 32 bit or 64 bit bus

EISA (Extended Industry Standard EISA (Extended Industry Standard Architecture) Architecture) 32 bit bus built on the ISA architecture 32 bit bus built on the ISA architecture

(33 MHz)(33 MHz)

Page 53: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Bus ArchitecturesBus Architectures

MCA (Micro Channel Architecture)MCA (Micro Channel Architecture) 32 bit bus. MCA can work in 16 or 32 32 bit bus. MCA can work in 16 or 32

bit mode. (66MHz)bit mode. (66MHz)

Page 54: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Memory RequirementMemory Requirement

Minimum RAM recommended for Minimum RAM recommended for Windows NT Server is 16 MB.Windows NT Server is 16 MB.

Page 55: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Memory AllocationMemory Allocation

Operating system.Operating system. Services.Services. Processes.Processes. Programs.Programs. CPU functions.CPU functions.

Page 56: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Estimating Memory Estimating Memory RequirementRequirement

Minimum amount needed for Server Minimum amount needed for Server operating system (16 MB) plusoperating system (16 MB) plus

Number of people who will be Number of people who will be accessing the system at the same accessing the system at the same time plustime plus

Average software requests per user.Average software requests per user.

Page 57: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Hard Disk CapacityHard Disk Capacity

Operating system files.Operating system files. Software files.Software files. Data and database files.Data and database files. User files.User files. General public files.General public files. Utility files.Utility files. Server management files.Server management files.

Page 58: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Fault ToleranceFault Tolerance

Fault -tolerance optionsFault -tolerance options disk mirroringdisk mirroring disk duplexingdisk duplexing redundant array of inexpensive disks redundant array of inexpensive disks

(RAID)(RAID) there are eight levels of RAID.there are eight levels of RAID.

Page 59: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Disk MirroringDisk Mirroring

server

Controller

Secondarydrive

Primarydrive

Page 60: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Disk DuplexingDisk Duplexing

server

Controller

Secondarydrive

Primarydrive

Page 61: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

ProjectProject

Set up a NIC in windows NT Server, Set up a NIC in windows NT Server, once the NIC operating system are once the NIC operating system are installed.installed. Click Start buttonClick Start button select Settingsselect Settings select Control Panelselect Control Panel double click Network icondouble click Network icon click Adapters tabclick Adapters tab click Add buttonclick Add button

Page 62: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

ProjectProject Notice the list of adapters that can be Notice the list of adapters that can be

installinstall click Cancelclick Cancel click Cancelclick Cancel close the control Panel close the control Panel

Page 63: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Windows NT networking Windows NT networking ModelsModels

Workgroup.Workgroup. Client-server.Client-server. Domain.Domain.

Page 64: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Windows NT networking Windows NT networking ModelsModels

Workgroup model is a decentralized Workgroup model is a decentralized networking model.networking model. All account administration is local to All account administration is local to

each machine.each machine. Each machine maintains its own Each machine maintains its own

account databaseaccount database

Page 65: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Windows NT networking Windows NT networking ModelsModels

Client-server model is a centralized Client-server model is a centralized networking model.networking model. All administration is centralized at All administration is centralized at

server.server. Clients can log on to a server via the Clients can log on to a server via the

server’s account database and access server’s account database and access resources associated with that server.resources associated with that server.

Page 66: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Windows NT networking Windows NT networking ModelsModels

NT domain modelNT domain model Allows administrators to group users.Allows administrators to group users. All administration is centralized to an All administration is centralized to an

NT Server that has been designated as NT Server that has been designated as he primary domain controller (PDC).he primary domain controller (PDC).

Page 67: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Windows NT networking Windows NT networking ModelsModels

In NT domain model the account In NT domain model the account database that resides on the PDC is database that resides on the PDC is called Security Account Manager called Security Account Manager (SAM)(SAM)

SAM database is copied to server SAM database is copied to server that has been designated as Backup that has been designated as Backup Domain Controllers (BDC)Domain Controllers (BDC)

Each domain need al least one Each domain need al least one serverserver

Page 68: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Windows NT networking Windows NT networking ModelsModels

PDC contains the master copy of PDC contains the master copy of SAM for the entire domain and is the SAM for the entire domain and is the only server that can make changes only server that can make changes to the database.to the database.

If there is more than one server in a If there is more than one server in a domain, selected servers can be domain, selected servers can be designated to keep a backup copy of designated to keep a backup copy of the SAM.the SAM.

PDC’s SAM database is read-write.PDC’s SAM database is read-write.

Page 69: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Windows NT networking Windows NT networking ModelsModels

Domain models:Domain models: single domainsingle domain single master domainsingle master domain multiple master domainmultiple master domain complete trust domaincomplete trust domain

Page 70: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Windows NT networking Windows NT networking ModelsModels

Criteria for choosing Domain Criteria for choosing Domain models:models: # of accounts (windows NT can support # of accounts (windows NT can support

up to 40,000 account).up to 40,000 account). The geographic scope of your domain.The geographic scope of your domain. How users ant resources will be defined How users ant resources will be defined

within the domain.within the domain.

Page 71: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Domain Trust Domain Trust RelationshipRelationship

In situation where there are two or more In situation where there are two or more domains, users can access domains other domains, users can access domains other than their own through trust than their own through trust relationships set up by the network relationships set up by the network administrator.administrator.

Each trust relationship has two parties:Each trust relationship has two parties: trusted domaintrusted domain

granted access to resourcesgranted access to resources trusting domaintrusting domain

granting the accessgranting the access

Page 72: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

ExampleExample

A n organization has a main office A n organization has a main office and ten branches, each with its own and ten branches, each with its own file server and domain. Main office file server and domain. Main office domain needs access to all branches, domain needs access to all branches, which is granted. Main office is which is granted. Main office is trusted domain, and branches are trusted domain, and branches are the trusting domainsthe trusting domains

Page 73: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Trust RelationshipsTrust Relationships

One-way trustOne-way trust the trust relationship is not the trust relationship is not

reciprocated. One domain is trusted reciprocated. One domain is trusted party, and the other is trustingparty, and the other is trusting

Two-way trustTwo-way trust the trust relationship is reciprocated. the trust relationship is reciprocated.

Universal trustUniversal trust two-way trust are set up among more two-way trust are set up among more

than two domain. than two domain.

Page 74: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Single DomainSingle Domain

Consists of a single domain.Consists of a single domain. Easy to manage.Easy to manage. Centralized administration.Centralized administration. Good for small networks.Good for small networks. Slow when supporting large # of Slow when supporting large # of

accounts.accounts.

Page 75: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Single DomainSingle Domain

PDC BDC

User

User

User

Accounts and resources

Page 76: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Single Master DomainSingle Master Domain

Several domain are controlled by Several domain are controlled by master domain.master domain.

All account are in the master All account are in the master domain.domain.

Other domains containing only Other domains containing only resources, such as servers.resources, such as servers.

Page 77: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Single Master DomainSingle Master Domain

All resources are located at resource All resources are located at resource domains and can be available to all domains and can be available to all users.users.

Resources are decentralized.Resources are decentralized. Administrators in the resource Administrators in the resource

domain have control over their domain have control over their resources. resources.

All user account are centralized in a All user account are centralized in a master domain.master domain.

Page 78: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Resourcedomain

Resourcedomain

Resourcedomain

Single Master DomainSingle Master Domain

Master domain

Page 79: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Multiple Master DomainMultiple Master Domain

Consists of multiple single master Consists of multiple single master domain connected through two-way domain connected through two-way trust relationships.trust relationships.

Administration can be centralized or Administration can be centralized or decentralized.decentralized.

Page 80: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Multiple Master DomainMultiple Master Domain

Number of trusts (n) can be Number of trusts (n) can be determined as follow:determined as follow:

n=M(M-1)+(R+M)n=M(M-1)+(R+M)

M=# of master or accounts domainsM=# of master or accounts domains

R=# of resource domainsR=# of resource domains

Page 81: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Masterdomain

Masterdomain

Resourcedomain

Resourcedomain

Resourcedomain

Multiple Master DomainMultiple Master Domain

Page 82: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Complete Trust DomainComplete Trust Domain

Accounts and resources are located Accounts and resources are located in each domain.in each domain.

Allows decentralized account Allows decentralized account management.management.

Each account can implement policies Each account can implement policies specific to their domain.specific to their domain.

N(N-1)=nN(N-1)=n where N represents # of domainwhere N represents # of domain

Page 83: Periodic signal A signal is periodic if and only if A signal is periodic if and only if s(t + T) = s(t) for all values of t s(t + T) = s(t) for all values

Complete Trust DomainComplete Trust Domain

Accountresources

Accountresources

Accountresources

Accountresources


EAA4 .ti f EAB4 .ti f EAB3 .ti f - University of Waterloo · 2018. 10. 19. · LB E2.t if LB E3.t if KB L3.t if LB K3.t if LB P2.t if KAL2 .tif LB P4.t if LB P3.t if KB L1 .t if LB

PERIODIC CLASSIFICATION & PERIODIC PROPERTIES [ 1 ...youvaacademy.com/youvaadmin/image/PERIODIC TABLE BY RS.pdf · [ 2 ] PERIODIC CLASSIFICATION & PERIODIC PROPERTIES BY RAJESH SHAH

Electron Configuration and the Periodic Tablebutane.chem.uiuc.edu/jsmoore/chem232/notes_current/Period_2_Atoms... · Electron Configuration and the Periodic Table T o t a l E n e

1st Periodic Test T

FIREMANGuiding questions (2) B. Type of sampling? If periodic, ∆t? if event driven , how to define the event that will trigger sampling, if hybrid same as above? •Periodic sampling;

!E€¦ · 1:: /\ 1i . ff m • :m . 1: :m . tfBU • if] if] ~ i§'] ~ ~ ~ ~ -'t . 1~ -'t ~ -'t ~ilJ -'t ~ '!_ ~ '! It'l. '! [If '! It'l. -t1t 71

History of Periodic T

T he Periodic Table

Periodic table - periodic properties

Grandstream Networks, Inc. · 2020. 9. 1. · TR-069 Password Password used for the HTTP authentication against the ACS. Periodic Inform Enable Enables periodic inform. If set to

SEASONAL TIME SERIES MODELSZhu/Ams586/Seasonality.pdfSEASONAL TIME SERIES •For stochastic process Y t, we say that it is a seasonal (or periodic) time series with periodicity s if

Periodic Monitoring - TCEQ · Locate that emission type in the first column of the Periodic Monitoring Guidance Document Table labeled Emission. ... If a Test Method 9 is performed,

Atoms, Electrons, and Periodic Trends Review of Atomic ... · PDF fileAtoms, Electrons, and Periodic Trends ... Hund’s Rule and Pauli Exclusion Principle ... • If like charges

Quasi-periodic nanostructures grown by oblique angle ...homepages.rpi.edu/~wangg/publications/2003_5.pdfQuasi-periodic nanostructures grown by oblique angle deposition T. Karabacak,a)

Coloring the Periodic Table - Familiesmsbunney.weebly.com/.../periodic-table-families.pdf · In the periodic table, elements have something in common if they are in the same row

Procedures for Conducting Periodic Compliance Inspections...Inspection Follow-Up: The site coordinator will complete the Periodic Compliance Inspection Form (Attachment II), if it

Fourier Series. Introduction Decompose a periodic input signal into primitive periodic components. A periodic sequence T2T3T t f(t)f(t)

Chapter 14: Periodic Motion (Oscillations) · PDF fileChapter 14: Periodic Motion (Oscillations) ... • The period, T, is the time required for one complete cycle. ... Conservation

The Periodic Table Series - Home Page | Chemistry | · Web viewThe investigation that lead to the derivation of the periodic table series was based on the following hypothesis: if

Periodic Law History of the Periodic Table Periodic Trends

f x a an nx bn ( ) 0 cos (1) - t U · 1 1 Fourier Series Periodic Function A function is called “periodic” function of period p if f(x+np) = f(x), x, n >0, n: integer. If both

On stable solutions of quasilinear periodic-parabolic problems(For a discussion of the existence of nontrivial equilibrium solution of (* * *) if a = 1 and s is independent of t, cf

The Periodic Table of Elements. Periodic Periodic Law Periodic Table Something periodic occurs at regular or at least generally predictable intervals

Managing PP 101 - Periodic paralysisperiodicparalysis.org/CMFiles/Managing PP 101.pdf– Same as for hyperkalemic periodic paralysis if that is a feature . Potassium-Sensitive Myotonia

TThe Periodic Table and Periodic Lawhe Periodic Table and

Periodic Table of Herbs & Species - Bart Ingredients | Not ...bart-ingredients.co.uk/pdf/periodic-table.pdf · If you're looking to recreate yourfavourite international ... SUMAC

Basic Floquet Theory - University of British ColumbiaChapter 3 Basic Floquet Theory 3.1 General Results If we have a problem of the form x′ = A(t)x (3.1) where A(t) is periodic with

Laplace Transforms of Periodic Functions · 2008. 11. 6. · Periodic Functions 1. A function f is periodic with period T >0 if and only if for all t we have f(t+T)=f(t). 2. If f

Unit 3 - Trig II Notes · 3.1 Trig and Periodic Functions Periodic Functions Certain patterns in nature repeat again and again. A behavior is periodic if the repetition continues

Discrete Time Periodic Signals A discrete time signal x[n] is periodic with period N if and only if for all n. Definition: Meaning: a periodic signal keeps

Periodic Functions and Fourier Series. Periodic Functions A functionis periodic if it is defined for all real and if there is some positive number, such

,:~t If - ARLIS,:~t If - ARLIS ... cust

Stationary Solutions and Random Periodic Solutions of ... · Stationary SolutionsRandom Periodic Solutions Fixed Point of ODE Consider ODE (dv(t) dt = v(t) v(0) = y2R1: For xed t

Beam oscillation periodic modification of the geometrical ...€¦ · Beam oscillation – periodic modification of the geometrical beam properties C. Goppolda, T. Pindera, P. Herwiga,

The Periodic Table. Objective #1: TSWBAT Explain the reason for creating a periodic table 1.Imagine if you were inside your favorite music store. If you