摘要
本文把运动补偿和雷达成象作为多散射点定位来处理,利用最大似然技术同时完成对目标运动参数和雷达图象的估计。本文引入DFT,利用FFT大大提高了计算效率。当目标同雷达之间的距离为时间的二次函数时,我们给出了一种同时实现运动补偿和成象的算法。最后通过计算机模拟给出了对直线飞行飞机成象的结果。
In this paper, motion compensation and radar imaging are treated as a problem of localization of multiple scatter points. The maximum likelihood method is used to estimate moving parameters and radar image of target simultaneously. DFT is introduced by proper assumptions, thereby the computational requirement is greatly reduced by using FFT. When the range between radar and target is a quadratic fuction of time, a simplified algorithm for simultaneously realizing motion compensation and image formation is presented. Computer simulation confirms the efficiency of the algorithm.
出处
《电子学报》
EI
CAS
CSCD
北大核心
1991年第1期122-125,共4页
Acta Electronica Sinica
基金
国家航空科学基金
