采用可编程器件的合成孔径雷达实时成像处理器方位预处理电路的设计与实现
The design and realization of azimuth preprocess in real time imaging processor of synthetic aperture radar with programmable logic device
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摘要: 该文讨论了在合成孔径雷达实时成像处理器中,采用子孔径带通滤波成像处理方法的方位预处理的设计,构造了一种用大规模可编程逻辑器件实现方位预处理的电路结构。文中给出了电路应用和实现结果。可以看到,该电路设计具有较高的运算效率、集成度、灵活性与可扩展性。Abstract: This paper describes the design and realization of the azimuth preprocess in the real-time imaging processor of SAR with programmable logic device by the method of sub-aperture using band-pass filter. The azimuth preprocess circuit implementation and its result are presented. It can be gotten that the circuit performance is satisfactory in operation efficiency, integration degree, implementation convenience and expandability.
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张澄波,综合孔径雷达原理、系统分析与应用,科学出版社,1989年,1-12.[2]王岩飞,带通滤波重抽样实现SAR子孔径方向预处理,中国航空学会信号与信息处理专业第三届学术会议论文集,北京,1998,84-89.[3]王世一,数字信号处理,北京,北京理工大学出版社,1987,186-304.[4]Kai Hwang, Advanced Computer Architecture, New York, McGraw-Hill Inc, 1993, Chapter 6[5]Altera Data Book, Altera Inc, 2000. -
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