介绍了基于FPGA芯片的星载合成孔径雷达实时成像处理器中方位压缩处理器的设计与实现。
The design and the implementation of the azimuth compressor based on FPGAs for space-borne SAR are introduced.
在机载sar实时成像处理器中,方位预滤波比的选取对最终获得的方位分辨率有决定性的影响。
In an airborne SAR real time imager, the selection of azimuth pre filter ratio has a decisive effect on the final azimuth resolution.
实时方位向预处理是SAR实时成像处理器设计中的关键环节,预处理中运算精度的高低直接影响着SAR图像方位向聚焦的好坏。
Azimuth preprocessing is the key to real-time SAR processor, the precision of computation in the azimuth preprocessing has an impact on the azimuth focus quality.
综合孔径雷达(SAR)实时成像处理器,在满足分辨率的情况下,通过预滤波和降采样的方式降低数据率来满足系统处理带宽的要求。
Under the condition of meeting resolution, the SAR real-time imager can satisfy the demands of the processing band by pre-filter and down-sample.
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。
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.
在并行多处理器上利用此算法,降低了SAR实时成像的运算量和成像延迟,显著提高了SAR实时成像的处理速度。
It improves the speed and decreases the processing delay of real time SAR imaging on a parallel processor.
机载SAR实时成像系统采用多个嵌入式信号处理器,实时接收处理雷达信号,并实时存储及形成高分辨率图像。
Aircraft SAR imaging systems are fixed on the plane, in which SAR signals can be collected, processed, stored and imaged in real-time.
本文首先简单介绍了合成孔径雷达(SAR)成像原理,并对以超高速数字信号处理器(DS)为核心的机载合成孔径雷达实时成像处理系统的硬件结构作了描述。
This paper presents the principle of Sythetic Aperture Radar(SAR) imaging and describes the system hardware of airborneSAR real-time digital signal processing system with ultra-high speed DSP .
本文首先简单介绍了合成孔径雷达(SAR)成像原理,并对以超高速数字信号处理器(DS)为核心的机载合成孔径雷达实时成像处理系统的硬件结构作了描述。
This paper presents the principle of Sythetic Aperture Radar(SAR) imaging and describes the system hardware of airborneSAR real-time digital signal processing system with ultra-high speed DSP .
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