Real-time imaging processor of high squint in airborne fire control radar

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作者：
School of Electronic Engineering and Optoelectronic Technology, Nanjing Univ. of Science and Technology, Nanjing 210094, China [1 ]
不详 [2 ]
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Xi Tong Cheng Yu Dian Zi Ji Shu/Syst Eng Electron | 2006年 / 6卷 / 864-866期
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摘要：
An real-time imaging processor's structure and the algorithm flow in airborne fire control radar are introduced. The processor is composed of application specific integrated circuit and digital signal processor and the algorithm is range-Doppler one which corrects range walk in time domain. Since the INS/GPS does not meet the need of imaging, Doppler parameters are obtained from SAR raw data to compensate the motion error. After range and azimuth compression, the results are reserved 16-bit integers to resolve two problems: memory corner turn and insufficient memory. The results of flying show the algorithm can image stably in high squint.
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