Autofocus approach for sparse aperture inverse synthetic aperture radar imaging
Electronics Letters(2015)
摘要
In the inverse synthetic aperture radar imaging, the autofocus is a required step for generating high-quality images. However, due to many factors, the aperture data may be sparse so that the classical motion compensation approaches and imaging algorithms are not proper. On the basis of the compressed sensing technique and two optimisation methods (the gradient projection method and the conjugate ...
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关键词
compressed sensing,Doppler radar,gradient methods,iterative methods,radar imaging,synthetic aperture radar
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