final dspmatin oral presentation 06

7/21/2019 Final DSPMATIN Oral Presentation 06

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Senior Capstone Project

Integration of Matlab Tools for DSPIntegration of Matlab Tools for DSP

Code GenerationCode Generation

ECE Department

March 2nd, 200

Team Members!"#ad#o $oateng and Charles $ad%

&d'isors!

Professor Thomas Ste#art and Dr Inn Soo &hn
http://www.bradley.edu/


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Project (%tlineProject (%tlineProject S%mmar)

C%rrent Stat%s *ilter Implementation

Mod%lation Schemes

*%t%re +or

-%estions


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P.(/ECT SMM&.1P.(/ECT SMM&.1 Integrate Matlab tools with code composer studio 3.1 software to

generate C-code on DSP board TMSC345DSP board TMSC345) Integration process will involve Filter implementation and

Modulation schemes

*ilters and Mod%lation schemes SPD6will be designed inSimulin and verified e!perimentall" on an oscilloscope

#pplications of S$% in industr" will be e!amined S-bloc functions not found in Simulin will be generated and

called as subroutines. &M'( files)

S$% e!ecuted on %S$ board via Mat-lab M file or Simulin blocdiagrams

ltimate goal is to produce ser Man%alser Man%alfor %S$ andCommunication *heor" Students.


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DSP $(&.D *E&T.ES6DSP $(&.D *E&T.ES6


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Figure 1: High-level system block diagram

S1STEM $7(C" DI&G.&MS1STEM $7(C" DI&G.&M


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*I. *ilter Design and Implementation*I. *ilter Design and Implementation

8(TC9*ilter*ilter that passes most fre:%encies %naltered,

b%t atten%ates those in a narro# range to 'er) lo# le'els

Gi'en E:%ation!

9;6?4= h2>?2

2 poles at origin which corresponds to Z2

2 zeros 45 degrees from the origin


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Design of *ilter gi'en form%lae for 9>6Design of *ilter gi'en form%lae for 9>6& $andpass filter has transfer *%nction

;?ejpi@A6;?e?jpi@A6

9>6< ????????????????????

;2

Sol'e to get coefficients

8%m! B4 ?4A4A24 4

Den! B4 0 0 fa


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Mat?lab res%lts!Mat?lab res%lts!

0 500 1000 1500 2000 2500 3000 3500 40000

0.5

1

1.5

2

2.5

3

3.5frequency response


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8(TC9 *I7TE. DESIG88(TC9 *I7TE. DESIG8

9;69;644?4?4= h>= h>22

?2?2


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*I. *I7TE. EHPE.IME8T&7 .ES7TS*I. *I7TE. EHPE.IME8T&7 .ES7TS


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Comm%nicationComm%nicationS)stemsS)stems

*ig%re 4?4! The *%ndamentalModel of Comm%nication

Mod%lation SchemesMod%lation Schemes+&mplit%de Mod%lation &M6

+*re:%enc) Shift "e)ing *S"6+Do%ble?Sideband S%ppressed Carrier DS$?SC6+$inar) Phase?Shift "e)ing$PS"6+-%adrat%re &mplit%de Mod%lation-&M6


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&mplit%de Mod%lation &M6&mplit%de Mod%lation &M6

+ #mplitude Modulation, the amplitude of a carrier signal is varied withrespect to an input modulation signal to conve" data.

+ #pplications, commonl" used at radio freuencies and was the firstmethod used to broadcast commercial radio.

+ Modeled in proect to transmit and receive speech signals.


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En'elope Detector Circ%itsEn'elope Detector Circ%its

&M Eperimental .es%lts&M Eperimental .es%lts

&M Sim%lation .es%lts&M Sim%lation .es%lts


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*re:%enc) shift e)ing *S"6 is the most common form of digitalmod%lation in the high?fre:%enc) radio spectr%m

sed to send information bet#een digital e:%ipment lieteleprinters and comp%ters

Data is transmitted b) the fre:%enc) of a carrier in a binar)

manner to one or the other of t#o discrete fre:%encies

*re:%enc) Shift "e)ing *S"6*re:%enc) Shift "e)ing *S"6


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*S"6 Transmitter*S"6 Transmitter

Signal GenerationSignal Generation


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*S" .ecei'er*S" .ecei'er

Test S:%are #a'eTest S:%are #a'e


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*S" (%tp%t Signal*S" (%tp%t Signal


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Do%ble?Sideband S%ppressed CarrierDo%ble?Sideband S%ppressed Carrier

Do%ble?sideband s%ppressed?carrier transmission DS$?SC6!

transmission in #hich!

+ a6 fre:%encies prod%ced b) amplit%de mod%lation are

s)mmetricall) spaced abo'e and belo# the carrier fre:%enc)

+ b6 the carrier le'el is red%ced to the lo#est practical le'el,

ideall) completel) s%ppressed


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DS$?SC TransmitterDS$?SC Transmitter

DS$?SC .ecei'erDS$?SC .ecei'er


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DS$?SC .ecei'erDS$?SC .ecei'er


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+ Phase?shift e)ing is a digital mod%lation scheme that con'e)s datab) changing the phase of a reference signal carrier #a'e6 and $PS"is the simplest form of phase?shift e)ing

+ Generated the same #a) as a DS$?SC, b%t mt6 is a %nipolar datasignal

+ Demod%lated %sing a Costas loop

$inar) Phase?Shift "e)ing$inar) Phase?Shift "e)ing


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Costas Phase?7oced 7oopCostas Phase?7oced 7oop


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$PS" Sim%lation .es%lts$PS" Sim%lation .es%lts


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Mod%lation Schemes -&D.&T.E &MP7ITDE M(D7&TI(8 -&M-&D.&T.E &MP7ITDE M(D7&TI(8 -&M))

Combination of ! &mplit%de Mod%lation &M6 Phase shift "e)ing PS"6

Phase and &mplit%de are Jaried

('ercome constraints of comple &M or PM Transmits more bits per second Maes %se of minim%m band#idth


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GE8E.&7 -&M T.&8SMITTE.

St6


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-&M T.&8SMITTE.

St6


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SIM7&TI(8 .ES7TS (* -&M T.&8SMITTE.


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EHPE.IME8T&7 .ES7TS *(. -&M T.&8SMITTE.


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-&M .ECEIJE.

.eco'ering Signals for .eal H t6K -%adrat%re 1 t6


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M(DI*IED DEM(D7&T(.M(DI*IED DEM(D7&T(.


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SIM7&TI(8 .ES7TSSIM7&TI(8 .ES7TS *(. .ECEIJE. K T.&8SMITTE.*(. .ECEIJE. K T.&8SMITTE.


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EHPE.IME8&7 .ES7TS *(. T.&8SMITTE.EHPE.IME8&7 .ES7TS *(. T.&8SMITTE.

EFFECT

SOFC

APACTO

!CO"

P#$%

EFFECT

SOFC

APACTO

!CO"

P#$%


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P.((*I8G E**ECTS (* C&P&CIT(. C(P7I8GP.((*I8G E**ECTS (* C&P&CIT(. C(P7I8G


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EHPE.IME8&7 .ES7TS *(. C&P&CIT(. C(P7I8GEHPE.IME8&7 .ES7TS *(. C&P&CIT(. C(P7I8G


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*%t%re +or*%t%re +or

+Implement Costas Phase?7oced 7oop on DSP board

++or on *re:%enc) Di'ision M%ltipleing *DM6

+(rthogonal *re:%enc) Di'ision M%ltipleing (*DM6

+*M Stereo S)stem


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-%estions LL-%estions LL


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T9E G.&8D &..IJ&7

final dspmatin oral presentation 06

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