光电火控系统指向精度CCD非接触测量方法研究  

Research on Pointing Accuracy of Non-Contact Measurement of Photoelectric Fire Control System with CCD

作　　者：褚凯[1] 朱一旺[2] 黄勤超[2] 李小明[2] 

机构地区：[1]陆军军官学院研究生系,合肥230031 [2]陆军军官学院军用光电技术与系统实验室,合肥230031

出　　处：《计算机测量与控制》2012年第8期2058-2060,共3页Computer Measurement &Control

摘　　要：为满足某光电火控系统中二维转台指向精度的高精度测量需求,提出了一种利用CCD图像的非接触测量方法;以静态指向精度为测量对象,构建了CCD图像测量系统,系统分辨力为0.44mrad,采用视频序列的数字图像自动拼接方法得到单幅宽视场全景图,通过图像快速匹配方法得到转台的方位像素坐标值,对转台的指向精度进行了测量;测量实验结果表明:转台的指向精度为0.5mrad,满足指向精度2mrad的设计要求。A non-contract measurement with CCD camera was presented to meet the requirements of high accuracy measurement of pointing accuracy of photoelectric fire control system＇s two--dimension turntable. The static pointing accuracy was taken as the research ob- ject. Imaging measuring system with CCD camera had been built. The resolution of measuring system is 0. 44mrad. Digital image auto-- mosaics from video sequence was proposed to get a single wide field of view image. The pixel coordinates of the turntable had been got by u- sing of image fast matching. Pointing accuracy of the turntable had been measured. The measurement result shows that pointing accuracy of two--dimension turntable is 0. 5 mrad and meet the design requirement of pointing accuracy＇2mrad.

关 键 词：光电火控系统 图像测量 指向精度 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]