一种机载实时成像处理技术的改进  

An Improved Real-time Image Processing Technology for Airborne

作　　者：曹汝杰 高岩[1] 

机构地区：[1]西安电子工程研究所,陕西西安710100

出　　处：《微电子学与计算机》2017年第4期146-148,共3页Microelectronics & Computer

摘　　要：介绍了某机载SAR雷达实时成像处理流程,并针对实际成像处理中存在的分辨率不足的问题,给出了修改调频率曲线插值函数初始坐标的方法.同时针对实时成像处理与Matlab存在误差的现象进行了分析,在实时处理中采用双精度浮点计算解决了该问题.最终成像结果表明,该实时成像处理程序能够可靠、稳定的工作,并获得理想的图像.This paper introduces the real-time imaging process of an airborne SAR radar,and gives a method to modify the initial coordinates of the interpolation function of thechirp rate for the problem of resolution in the acture imaging processing.The phenomenon of real-time imaging processing and matlab processing error is analyzed,and the problem is solved by double precision floating point operation in real-time processing.The final imaging results show that the real-time imaging process can work reliably and obtain the ideal image.

关 键 词：实时成像处理 调频率估计 插值函数 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]