高分辨率SAR综合电子设备技术研究  

A Study on Synthetic Electronic Instrument of High Resolution SAR

作　　者：江涛[1] 李敏慧[1] 刘瑾 

机构地区：[1]南京电子技术研究所 [2]解放军61599部队

出　　处：《现代雷达》2017年第11期7-10,26,共5页Modern Radar

摘　　要：介绍了具备方位向大扫描角能力的高分辨率机载合成孔径雷达(SAR)系统,重点研究了综合电子设备技术,包括宽带信号产生、多子频带接收、宽带脉冲信号初相高稳定度技术等,并对不同子带的相位幅度特性以及脉冲压缩特性进行了分析。机载飞行试验及成像处理得到的高质量SAR图像,验证了宽带发射多子带接收的综合电子设备设计技术和技术性能。A high resolution airborne synthetic aperture radar（SAR） of the big azimuth scanning angle is introduced and the technique of synthetic electronic instrument is studied deeply in allusion to high bandwidth generating,multi-subbands receiving,high original phase stability of wideband pulse signal and so on.Later,anticipative phase-amplitude characteristics and pulse compression characteristics are analysed,the design essential and technical capability of synthetic electronic instrument of high bandwidth transmitting and multi-subbands receiving have been validated by airborne flight experiment and high quality SAR image after imaging processing.

关 键 词：高分辨率 滑动聚束模式 综合电子设备 

分 类 号：TN958[电子电信—信号与信息处理]