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Time-frequency transform is applied into InISAR for multiple moving targets imaging. By means of interferometric processing to range-Doppler images, the range-azimuth image can be derived from the interferometric phase. The restriction of millimeter-wave (MMW) phase wrapping is solved by multiple baseline.
Efficient and precise compensation of the range cell migration (RCM) effect is a key point for a fast and accurate synthetic aperture sonar (SAS) data processor. In particular, the range dependent nature of RCM complicates the compensation operation. It has been recently shown that an exact compensation of the range dependent RCM phenomenon can be carried out by applying the chirp Z transform procedure...
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