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在分析传统陀螺动态漂移测量方法的基础上,介绍了一种新的高、低温陀螺动态漂移测量系统的原理和结构设计。该系统由计算机软件控制其检测全过程,系统的中心部件由CCD摄像机、图像采集卡和处理软件等构成。处理软件用VC开发而成,利用一种快速的目标跟踪算法,它能实时的跟踪目标并能画出其运动轨迹,计算出陀螺的动态漂移。实验证明了该系统的简单性和实用性,其分辨最小动态漂移角度的能力不低于1.8′。
Based on the analysis of the traditional gyro dynamic drift measurement method, the principle and structure design of a new high and low temperature gyro dynamic drift measurement system are introduced. The system is controlled by the computer software to detect the entire process, the system’s central components by the CCD camera, image acquisition card and processing software. Processing software developed using VC, the use of a fast target tracking algorithm, which can track the target in real time and can draw its trajectory, calculate the gyro’s dynamic drift. The experiment proves the simplicity and practicability of this system. Its capability of resolving the minimum dynamic drift angle is no less than 1.8 ’.