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Polar Radar for Ice Sheet Measurements |
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Home>PRISM Update >Overview 2004- PRISM SAR | |||||||||||||||||||||||||||||||||||||||||||||||||||||
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Monostatic Operation |
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One receiver is colocated with the transmitter
and operates in the traditional SAR mode. |
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Bistatic Operation |
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The other receiver is located
4 km from the transmitter and uses digital beam-forming with a synthetic
array. |
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Band 1 |
Band 2 |
Band 3 |
Units |
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PRF |
5000 |
5000 |
5000 |
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Number of Samples |
7500 |
7500 |
7500 |
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Number of Coherent Integrations |
1000 |
1000 |
1000 |
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Center Frequency |
80 |
150 |
350 |
MHz |
Bandwidth |
10 |
20 |
40 |
MHz |
Noise Figure |
1.43 |
1.43 |
1.43 |
dB |
Loop Sensitivity |
203 |
203 |
203 |
dB |

Four-element TEM Horn Antenna Array |
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Log-Periodic Antennas |
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Magnitude image (dB) of basal backscattering from 150 MHz, HH pol through 3 km thick ice. Along-track resolution is 12 m (500 m aperture) and cross-track resolution is 30-15 m (range dependent).
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