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MIMO radar has seen growing interest in recent years owing to the many advantages that it offers over conventional radar, including spatial diversity and enhanced target direction resolution. Unlike standard phased array (SIMO) radar that transmits scaled versions of a single waveform from its many transmit antennas, a MIMO radar can transmit distinct waveforms from each antenna. Such an increase...
We have seen in the above that the SweepSAR technique offers the potential for significant reductions in the transmit peak and average power required for a SAR system. This is achieved by making full use of the areal extent of a reflector antenna on receive. The SweepSAR rate is not as big a problem as it might appear initially: note that in the 30 years since Seasat launched downlink rates for LEO...
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