opt meeting presentation

8/8/2019 OPT Meeting Presentation

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LEAP2-RUT-T1

HF Radar Systems

Engineering Plan Define performance Objectives for Multi-Static

Operation

Define system requirements for Large ScaleDeployment Architecture

Define Interfaces and Requirements for Second

Shore Station and at sea bistatic transmitter Deliverable Codar HF Radar Functional

Specification

TASK 1:November 2, 2010

February 24, 201175days


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Segment Color KeyRed > 90 km

70 km < Orange < 90 km

70 km > Green

http://ioos.gov/hfradar/

U.S. National HF Radar Network


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Existing and Proposed HF

Radars for the United StatesNominal

Range(km)

Existing

Radars

Proposed

Radars

Total Radars

VeryHigh Resolution(42 MHz) 20 4 12 16

igh Resolution (25 MHz)45 25 36 61

tandard Range (13 MHz)75 39 120 159

ong Range (5 MHz)180 44 40 84

Total 112 208 320


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Google Earth Map: Existing SitesAlaska - 3

Hawaii - 3

CONUS - 104Puerto Rico - 2


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Google Earth Map: Proposed Sites

Puerto Rico - 20

Pacific Islands - 21

Alaska - 17

CONUS - 262


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Purchase SeaSonde SSRS-100 13 MHz

GPS Synchronization

Lightning Protection Package

Bistatic Software Package

Shore Station Infrastructure (shed,enclosure, communications, power, UPS)

LEAP2-RUT-T2

Purchase Shore

Station Components

TASK 2: November 2, 2010 April 7, 2011

105 days


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LEAP2-RUT-T2


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Existing Medium

Range Network

LEAP2-RUT-T2


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Future Medium

Range Network

LEAP2-RUT-T2


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Belmar Fishing Club

LEAP2-RUT-T2


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Define Performance Requirements for

Association Algorithms

Develop Preliminary Implementation Plan

for Association of Data from Multiple

Shore Stations

LEAP2-RUT-T3

Association

RequirementsAnalysis

TASK 3:March 25, 2011

June 17, 2011

60 days


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6 7 8 9 10 11 12 13

16 IIR

32 IIR MED64 IIR MED

128 IIR IIRMED

IIRMED

IIRMED

MED

256 IIR IIRMED

IIRMED

IIRMED

MED

512 IIR IIR IIRMED

MED MED

1024MED

Threshold (dB)

F

FT

Points

Processing Matrix


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Processing Time and Velocity

ResolutionFFT Points FFT Length vr (cm/s) vr (knots)

16 8 s 144 2.88

32 16 s 72 1.44

64 32 s 36 0.72

128 64 s 18 0.36

256 2 min 8 s 9 0.18

512 4 min 16 s 5 0.09

1024 8 min 32 s 2 0.05


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Assist OPT in defining data structure,

protocol and hardware configuration

required for LEAP Regional Server

Network

LEAP2-RUT-T4

Develop

ImplementationPlan


February 24, 2011

75days


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Optimize threshold levels, background

levels and integration times for vessel

detection

LEAP2-RUT-T5

Design Vessel

Detection Architecture

TASK 5:April 8, 2011

July 1, 2011

60 days


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Add second to multi-static processing

Configure Software and Hardware for

multi-static operation

Produce data from BRNT, BELM,

Continue multi-static operation, testingand optimization

LEAP2-RUT-T6

Multi-Static

Operations

TASK 6:April 8, 2011

August 4, 2011

83 days


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Radial Current Vectors

LEAP-R-T4


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Totals from Radials


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Elliptical Current Vectors

LEAP-R-T4


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Totals from Radials & Ellipticals


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Support OPT with Tx/Buoy interface

Provide detailed mechanical/ electrical

specifications for shock and vibration, positionalstability criteria

Support systems integration and testing at OPT

Analyze performance of Vessel detection based

on bistatic operation

LEAP2-RUT-T7

Bistatic Interface

Development


April 28, 2011

120 days


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LEAP2-RUT-T7

Transmit Antenna

Atop Buoy

Bistatic Transmitter Package


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Develop Improved Detection

Methodologies

Report on detection improvements

LEAP2-RUT-T8

Refinement of Multistatic

Detection Technologies

TASK 8:August 5, 2011

September 16, 2011

30 days


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Update Shore Stations to automate

production of Detection files at the shore

station Implement ftp or equivalent to provide

detection files to regional node

Make real time architecturerecommendations

LEAP2-RUT-T9

Real Time Transition

Studies

TASK 9:August 5, 2011

September 16, 2011

30 days

opt meeting presentation

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