Abstract
Deceptive jamming suppression in synthetic aperture radar (SAR) is an urgent problem. In this letter, an auxiliary-channel slow-time coding and change detection based deceptive suppression method is proposed. By coding pulses from the auxiliary channel, difference between two images, separately from the auxiliary and main channel, is appeared. Then, the change detection technology is utilized to reveal this difference as well as to form filters and to suppress deceptive jammings. Compared to some existing coding methods, in this method, deceptive jammings can be suppressed more thoroughly and a higher quality SAR image can be achieved. Results of false scene based simulation experiments demonstrate the effectiveness of the proposed method.
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