中文摘要：

Chen die Born in 1973, he received B.S. and Ph.D. degrees from Beijing University of Aeronautics and Astronautics （BUAA） in 1996 and 2002, respectively. He is now an associate professor in BUAA. His main research interests are high resolution synthetic aperture radar processing, information acquisition and signal processing, multiple sensors collaborative exploration. E-mail： chenjie@buaa.edu.cn.Corresponding author. Tel.： ＋86-10-82314927. Zhu Jing Born in 1984, she received B.S. and M.S. degrees from BUAA in 2006 and 2009, respectively. Her main research interest is image and signal processing. E-mail： zhuj ing@ee.buaa.edu.cn Li Chunsheng Born in 1963, he received B.S., M.S. and Ph.D. degrees from BUAA in 1984, 1990 and 1999, respectively. He is now a professor in BUAA. His main research interests are information acquisition and signal processing, high resolution synthetic apertttre radar processing, multiple sensors collaborative exploration, etc. E-mail： lichunsheng@buaa.edu.cn Zhou Yinqing Born in 1936, he received B.S. degree from Beijing Institute of Aeronautics in 1959. He is now a professor in BUAA. His main research interests are information acquisition and signal processing, multiple sensors collaborative exploration, etc. E-mail： zhouyinqing@buaa.edu.cn