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Two-dimensional reiterative minimum mean-square error and 2-D least-square solutions that mitigate the sidelobe effects of both pulse compression processing and antenna radiation patterns are derived and compared with traditional matched filtering. The methods are applied to observations of distributed weather targets. The results of simulations based on realistic weather model outputs and scattering...
Ground moving target indication (GMTI) is an important, challenging application of space-based distributed aperture radars. Due to the large baseline of the sparse array, the main beam clutter Doppler spread can be reduced and minimum detectable velocity (MDV) can be improved. The cost is the blind zone problem introduced by spatial ambiguities and the grating lobes due to undersampling in spatial...
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