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.

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。

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Applying the bi-processor and bi-port RAM, the paper designs a new type intelligent sub-station on basis of the sub-station of the current monitoring sys-tem for the tramroad conveyance.

运用双处理器和双端口RAM，在现有轨道运输监控系统分站的基础上设计了新型智能分站。

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Applying the bi-processor and bi-port RAM, the paper designs a new type intelligent sub-station on basis of the sub-station of the current monitoring sys-tem for the tramroad conveyance.

运用双处理器和双端口RAM，在现有轨道运输监控系统分站的基础上设计了新型智能分站。

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