|
Radome
|
|
Type
|
Fiberglass skin foam sandwich
|
|
Diameter
|
11.89m (39 ft.)
|
|
RF Loss (two-way)
|
0.3 ± 0.06 dB over 2.7–3.0 GHz band
|
|
Transmitter
|
|
Type
|
Master Oscillator Power Amplifier (MOPA)
|
|
Frequency range
|
2.7–3.0 GHz
|
|
Peak power output (nominal)
|
500 kW into antenna
|
|
Pulsewidth (nominal)
|
1.57 µs (short pulse); 4.5 µs (long pulse) ± 4%
|
|
RF duty cycle (maximum)
|
0.002
|
|
Pulse Repetition Frequency
|
|
Long pulse
|
322–422 Hz ± 1.7%
|
|
Short pulse
|
322–1282 Hz ± 1.7%
|
|
Waveform types
|
Contiguous and batch
|
|
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; log output
|
|
Dynamic range
|
95 dB max; 93 dB at 1 dB compression
|
|
Minimum detectable signal
|
-113 dBm
|
|
Noise temperature
|
450 K
|
|
Intermediate frequency
|
57.6 MHz
|
|
Sampling rate
|
600 kHz
|
|
Signal Processor
|
|
Type
|
Hardwired/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 s-1
|
|
Number of Pulses Averaged
|
|
Reflectivity
|
6–64
|
|
Velocity and spectrum width
|
40–200
|
