Pulse Repetition Frequency

 

Long pulse

322–422 Hz ± 1.7%

Short pulse

322–1282 Hz ± 1.7%

Waveform types

Contiguous and batch (phase-coded build 8.0)

Receiver

 

Type

Linear

Tunability (frequency range)

2.7–3.0 GHz

Bandwidth (3 dB)

0.63 MHz (short pulse); 0.22 MHz (long pulse)

Phase control

Selectable

Receiver channels

Linear output I/Q

Dynamic range

95 dB max; 93 dB at 1-dB compression

Minimum detectable signal

–113 dBm (ORDA)

Noise temperature

450 K (ORDA)

Intermediate frequency

57.6 MHz

Sampling rate

600 kHz (This remains the same for the I/Q samples; IF samples will be at 72 MHz)

Signal Processor

 

Type

Programmable

Parameters derived

Reflectivity; mean radial velocity; Doppler spectral width

Algorithms (respective)

Power averaging; pulse-pair; single-lag correlation

Accuracy (Standard Deviation)

 

Reflectivity

<1 dB

Velocity and spectrum width

<1 m s1

Number of Pulses Averaged

 

Reflectivity

6–64

Velocity and spectrum width

40–200

Range Resolution

 

Reflectivity

1 km

Velocity and spectrum width

0.25 km

Azimuth Resolution

 

Reflectivity

Velocity and spectrum width

Clutter canceller

Gaussian Model Adaptive Processing Filter, Spectral Domain

Clutter suppression

30–50 dB max

Radar Product Generator (RPG)

RPG processor

64-bit reduced instruction set (RISC) digital computer

Shared memory

512-MB semiconductor memory

Wide-band communication

1.544 Mbit s–1 data rate

Narrow-band communication

Up to 13 of 14,400/4,800 bit s–1 4-wire

(1 may be 33,600 bit s–1 capable)

8 of 14,400/4,800 bit s–1 2-wire

Up to 9 Wide Area Network (WAN) connections

RPG Graphic Display Processor

 

Principal user processor (PUP)

64-bit RISC digital computer



The National Academies | 500 Fifth St. N.W. | Washington, D.C. 20001
Copyright © National Academy of Sciences. All rights reserved.
Terms of Use and Privacy Statement