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This letter presents a bistatic chirp scaling algorithm to processing the azimuth-invariant bistatic synthetic aperture radar data. Two methods are used to derive the different parts of the range-Doppler expression of the point target. Compared with the method relying on the two-order expansion of the bistatic range model, the new algorithm can give the close-form azimuth modulation. Through the introduction...
The technique for nonuniformity correction in infrared focal-plane arrays is a typical blind-estimation problem, and the infrared images without noises are not available. In order to correct the observed images in the presence of the fixed-pattern noise caused by pixel-to-pixel nonuniformity, it is necessary to estimate the corresponding true scene values. A new scene-based nonuniformity correction...
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