Abstract
Multiple input multiple output synthetic aperture radar (MIMO SAR) can solve the high resolution and wide swath imaging conflicts of traditional SAR. In the time domain, short term shift orthogonal (STSO) waveforms of different transmitting channels were used to separate the echoes from closely spaced scatterers. And in the space domain, digital beam forming (DBF) was used to separate the echoes from widely spaced scatterers. In this paper, a novel phase coding scheme based on Golay complementary sequence is proposed. Based on the idea of STSO waveforms, phase coding scheme could be used to separate and image the echoes of different receiving antennas. Theoretical derivations and simulation results validate the effectiveness of the proposed coding scheme.
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