航天测量船经纬仪系统误差动态修正方法

System Errors Modification Method for Photoelectrical Theodolite under the Dynamic Condition in TT&C-Ship

星体标校技术是利用恒星在天球上的准确视位置标定光电经纬仪误差的一种方法。文章通过对星体标校基本原理分析,推导出适用于航天测量船经纬仪系统误差动态标定公式,并提出动态条件下误差修正的新方法。应用结果表明:该方法具有一定的实际应用价值,能够解决动态情况下经纬仪系统误差修正的技术难题,极大提高经纬仪测量精度,投资小、精度高,具有较高的可信度。

Calibration-technology of the star makes use of true pointing of star to calibrate errors of photoelectrical theodolite.The essay analyses the automation theory of calibration-technology of the star,conducts system errors expressions for TTC-Ship.At the same time,a new error modification method under the dynamic condition is introduced.The trial result indicates that the technique has less expense,high precision and high reliability,it can resolve the system errors modification under the dynamic condition and data acquired is meeting navagation of high efficiency,therefore,it has some actual application value.