船载雷达方位零位异常变化的分析与影响
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摘要
针对船载雷达方位零位标定过程复杂,故障排查难度大的问题,在简要介绍船载雷达方位零位标定方法的基础上,分析了导致船载雷达方位零位异常变化的可能原因,提出了对船载雷达方位零位异常变化问题的分析及排查通用流程。结合实际典型案例,对由经纬仪轴系变化和全船方位基准不统一导致的船载雷达方位零位异常变化的问题进行了深入研究,并从不同角度分析了对测量精度的影响。提出的通用流程对指导复杂的船载雷达误差修正参数的标定和提高船载雷达测量精度具有重要的实用价值。
Aiming at the problem of complicated azimuth zero calibration of shipborne radar and the difficulty of troubleshooting,possible causes of abnormal variation of azimuth zero are analyzed based on a brief introduction of azimuth zero calibration,and a troubleshooting process is proposed.As a typical example,reasons of an abnormal variation caused by shaft system of photoelectric theodolite and inconsistent orientation are studied.Also their influences on measuring accuracy are analyzed respectively.The troubleshooting process presented is of great practical value to guide the calibration work of shipborne radar and improve its measurement accuracy.
Aiming at the problem of complicated azimuth zero calibration of shipborne radar and the difficulty of troubleshooting,possible causes of abnormal variation of azimuth zero are analyzed based on a brief introduction of azimuth zero calibration,and a troubleshooting process is proposed.As a typical example,reasons of an abnormal variation caused by shaft system of photoelectric theodolite and inconsistent orientation are studied.Also their influences on measuring accuracy are analyzed respectively.The troubleshooting process presented is of great practical value to guide the calibration work of shipborne radar and improve its measurement accuracy.
引文
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[4]韦庆洲,路平,汪连栋.动态差分GPS测量进行标校塔变形监测[J].测绘科学技术学报,2010,27(2):86-87.
[5]董建伟.利用偏馈阵子的脉冲测量雷达无塔标校方法与应用[D].哈尔滨:哈尔滨工业大学,2013.
[6]胡兆军.基于船载合建站条件下的角度标校新方法[J].无线电工程,2009,39(12):31-33.
[7]李武,查林.大型数字相控阵雷达标校方法探究[J].雷达与对抗,2014,34(1):6-10.
[8]刘嘉兴.利用射电星噪声的无塔校相方法[J].电讯技术,2010,50(6):2-4.
[9]杨兵.某型卫星地面站标校技术研究[D].南京航空航天大学,2010.
[10]HUANG Jiagui,YANG Xiao.Implement of Pulse Radar's Calibration By Measuring Optical Tracking Satellites[J].Systems Engineering and Electronics,2007,29(10):1600-1602.
[11]袁勇.基于精密星历的雷达测量误差标定技术研究[D].长沙:国防科学技术大学,2008.
[12]张同双,李晓勇,钟德安,等.航天测量船无线电测量设备方位零位标校新方法[J].电讯技术,2008,48(6):30-34.
[13]钟德安,张同双,冯鸿奎,等.测量船码头动态标校方法研究[J].飞行器测控学报,2010,29(6):20-28.
[14]丰少伟,黄双华,杨云生.基于差分GPS技术的船载雷达通用标校方法[J].现代雷达,2012,34(5):14-16.
[15]杨磊,刘冰,李晓勇.基于参数估计的动平台雷达等效轴系参数准实时标定方法[J].无线电工程,2016,46(7):93-97.
[16]江文达,陈道桂.航天测量船[M].北京:国防工业出版社,2002.
[17]钟德安.航天测量船测量设备方位取齐误差分析[J].无线电工程,2008,38(4):37-39.
[18]王涛,唐杰.光电经纬仪视轴晃动的标定补偿[J].激光与红外,2015,45(1):63-65.