Multi-transmitter and Multi-receiver SAR Imaging Based on Kalman Filtering
Lin Yue-guan①② Zhang Bing-chen① Hong Wen①② Wu Yi-rong①
①(National Key Laboratory of Microwave Imaging Technology, Institute of Electronics, Chinese Academy of Sciences,
Beijing 100190, China) ②(Graduate University of the Chinese Academy of Sciences, Beijing 100190, China)
Abstract:This paper proposes a multi-transmitter and multi-receiver SAR imaging algorithm based on Kalman filtering. In the algorithm, the application of multi-transmitter and multi-receiver offer more information about the scene and unambiguous wide swath is achieved by reducing PRF. Orthogonal coding is used in multi-transmitter channels. Kalman filtering perfectly reconstructs the scene with fine resolution and the principle of MMSE resolves the problem of ambiguity caused by orthogonal waveforms. The proposed imaging algorithm is justified by theoretic analyses and validated by digital simulations.
林月冠, 张冰尘, 洪文, 吴一戎. 一种基于卡尔曼滤波的多发多收SAR成像算法[J]. 电子与信息学报, 2011, 33(3): 659-664.
Lin Yue-Guan, Zhang Bing-Chen, Hong Wen, Wu Yi-Rong. Multi-transmitter and Multi-receiver SAR Imaging Based on Kalman Filtering. , 2011, 33(3): 659-664.