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中文摘要：
提出了一种基于干涉合成孔径雷达构型的地面运动目标检测及测速定位新方法。该方法在高程相位和动目标相位耦合的情况下,充分利用相应像素对及其相邻像素对的相干信息进行高度补偿从而进行动目标参数估计。针对干涉合成孔径雷达（interferometric synthetic aperture radar,InSAR）系统中由于长垂直基线导致杂波自由度随地形起伏大大增加等杂波抑制问题,在处理过程中引入了联合像素法,进一步提高了动目标检测和测速精度。通过仿真验证了该方法的有效性。
英文摘要：
This paper presents a new method for ground moving target indication（GMTI） and velocity estimation based on the interferometric synthetic aperture radar（InSAR） system.Under the circumstance of terrain interferometric phase and velocity phase coupling,this method takes advantage of the coherence information of neighboring pixel pairs to compensate terrain interferometric phase.To suppress the increasing clutter degree of freedom with the terrain induced by long across-track baseline,the joint pixel method is adopted to improve the performance of GMTI and the accuracy of velocity estimation.Simulation rusults verify the validity and superiority of the proposed algorithm.
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Unambiguous Doppler centroid estimation approach for SAR data based upon compressed signal magnitude
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