调频连续波滑动聚束SAL信号特征分析  

Signal Characteristic Analysis of Frequency-Modulated Continuous Wave Sliding Spotlight SAL

作　　者：王帅 WANG Shuai(The 38th Research Institute of China Electronics Technology Group Corporation,Hefei 230088,China)

机构地区：[1]中国电子科技集团公司第三十八研究所,安徽合肥230088

出　　处：《电声技术》2023年第3期77-79,共3页Audio Engineering

摘　　要：调频连续波-合成孔径激光雷达(Frequency Modulated Continuous Wave-Synthetic Aperture Ladar,FMCW-SAL)是一种重要的遥感观测手段,滑动聚束FMCW-SAL能够同时实现高方位向分辨率和较宽的观测范围。FMCW-SAL波束扫描导致方位向上出现混叠,距离向引入一次和二次位置偏移。通过对FMCW-SAL信号进行建模和仿真分析,通过实验验证了信号模型和分析的有效性。Frequency Modulated Continuous Wave-Synthetic Aperture Ladar(FMCW-SAL)is an important remote sensing observation method.Sliding spotlight FMCW-SAL can achieve high azimuth resolution and wide observation range at the same time.FMCW-SAL beam scanning leads to aliasing in azimuth direction and introduces primary and secondary position offset in range direction.Through the modeling and simulation analysis of FMCW-SAL signal,the effectiveness of the signal model and analysis is verified by experiments.

关 键 词：调频连续波(FMCW) 合成孔径激光雷达(SAL) 滑动聚束 方位距离耦合 

分 类 号：TN957.51[电子电信—信号与信息处理]