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SPARSITY, COMPRESSIVE SENSING AND SUPER-RESOLUTION IN RADAR DETECTION
SPARSITY, COMPRESSIVE SENSING AND SUPER-RESOLUTION IN RADAR DETECTION
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机译:雷达检测中的稀疏性,压感和超分辨率
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摘要
A method of detecting a physical target in a region-of-interest is disclosed. The method comprises: transmitting a pulse of radiation into the region-of-interest; receiving an echo signal from the region-of-interest; accessing a computer readable medium storing a dictionary defined over a plurality of dictionary atoms each describing a dictionary function corresponding to at least a time delay and a Doppler shift; calculating a coefficient for each dictionary function using the echo signal, thereby providing a plurality of coefficients, wherein a linear combination of all dictionary functions respectively weighted by the coefficients does not reconstruct the echo signal; and determining at least one of a range and a speed of the target based on the coefficients.
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