A New Method of Removing Unsynchronized Signal for ScanSAR Interferometry

作者：Liang Cunren; Zeng Qiming; Jiao Jian; Cui Xi'; ai

来源：IEEE Geoscience and Remote Sensing Letters, 2013, 10(2): 278-282.

DOI：10.1109/LGRS.2012.2202872

• Advanced Synthetic Aperture Radar (ASAR)
• burst
• Envisat
• interferometry
• scanning synthetic aperture radar (ScanSAR)
• synchronization
• TerraSAR

We have analyzed most of the commonly used burst-mode focusing algorithms and chose the one that can be easily combined with unsynchronized-signal removal. In order to remove the unsynchronized signal in scanning synthetic aperture radar (ScanSAR) interferometry, we calculate the burst synchronization using satellite state vectors at first. Then, based on the focusing algorithm chosen and the synchronization calculated, we propose amethod to remove the unsynchronized signal. The method rejects the unsynchronized phase and keeps all of the magnitude information. It has been tested with simulated Envisat Advanced Synthetic Aperture Radar ScanSAR data, and the result demonstrated that the method could effectively remove the unsynchronized signal for ScanSAR interferometric processing.

• 出版日期2013-3
• 单位北京大学