| ISAR成像实时处理系统设计 |
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| 引用本文： | 刘亚波,寇秀丽,全英汇,李亚超,邢孟道.ISAR成像实时处理系统设计[J].电路与系统学报,2012(1):126-132. |
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| 作者姓名： | 刘亚波 寇秀丽 全英汇 李亚超 邢孟道 |
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| 作者单位： | 中国科学院电子学研究所;西安电子科技大学雷达信号处理国家重点实验室;中国航天科工集团二院23所 |
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| 基金项目： | 国防科技重点实验室基金项目资助(9140C0102100902);博士点基金(20090203120013);中国科学院百人计划择优资助基金 |
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| 摘 要： | 根据ISAR成像的特点研究并设计了ISAR实时成像处理系统,主要包括:信号处理模块的硬件采用分布式并行的设计方式;系统的数据通信采用串并转换及链路口和交换机相结合的方法;根据外场实验的参数和目标特征,选择适于ISAR实时成像的算法,并对算法的运算量进行了分析,在此基础上进行了实时处理在信号处理板卡上的任务分配。最后的试验结果和分析验证了该系统的有效性。
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| 关 键 词： | 逆合成孔径雷达 实时处理系统 分布式并行 交换机 |
Design on real-time processing of ISAR imaging system |
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| LIU Ya-bo,KOU Xiu-li,QUAN Ying-hui,LI Ya-chao,XING Meng-dao.Design on real-time processing of ISAR imaging system[J].Journal of Circuits and Systems,2012(1):126-132. |
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| Authors: | LIU Ya-bo KOU Xiu-li QUAN Ying-hui LI Ya-chao XING Meng-dao |
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| Institution: | 1.Institute of Electronics,Academy of Sciences.Beijing 100190,China;2.Institute No.23 of Second Academy of CASIC,Beijing 100854,China;3.National Laboratory of Radar Signal Processing,Xidian University,Xi’an 710071,China) |
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| Abstract: | Based on the characteristics of ISAR imaging,an ISAR imaging real-time processing system is studied and designed in this paper.The design ideas are listed as follows.The design of signal processing hardware block adopts the technique of distributed parallel processing.The design of system communication adopts serial to parallel conversion and switch module associates with link port.A real-time processing algorithm is designed according to the experiment parameters and target characteristic,and the task allocation of the real-time signal processing on the digital signal processing board are completed based on computational burden analysis.Finally,experimental results and analysis verify the effectiveness of the real-time ISAR imaging system. |
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| Keywords: | Inversed synthetic aperture radar(ISAR) real-time processing system distributed parallel processing switch module |
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