粗差拟准检定方法探查网络RTK模糊度  

Validation and correction of RTK ambiguity based on quasi-accurate detection of gross errors

作　　者：舒宝 刘晖[1] 张明[1] 吴丹[2] 张栋海[1] 

机构地区：[1]武汉大学卫星导航定位技术研究中心,武汉430079 [2]长安大学地质工程与测绘学院,西安710054

出　　处：《测绘科学》2016年第1期175-179,共5页Science of Surveying and Mapping

基　　金：国家高技术研究发展计划(863计划)项目(2007AA12Z309);国家重点基础研究发展计划(973计划)项目(2007CB310805)

摘　　要：为了提高网络RTK基准站间模糊度检验和修正的精度,该文提出用粗差拟准检定(QUAD)方法来探测错误固定的模糊度:将固定错误的模糊度判定为观测值的粗差,并对粗差准确定位定值,最后根据模糊度的波长计算模糊度的大小。实验结果表明当少量模糊度出现纳伪错误时,该方法可以实时探测并修正错误固定的模糊度。In order to improve the validation and correction accuracy of ambiguity for RTK reference stations,the paper proposed a method of detecting the fixed ambiguity based on QUasi-Accurate Detection of gross errors（QUAD）：the wrongly fixed ambiguity was judged as gross errors of the observations,and the location and values of the errors were accurately determined;finally the integer cycles were obtained according to the wavelength of ambiguity.Experimental result showed that the method could realized the real-time detection and correction of the wrongly fixed ambiguity for the case of a small amount of ambiguities with pseudo errors.

关 键 词：网络RTK 模糊度检验 拟准检定 粗差探测 纳伪错误 

分 类 号：P228[天文地球—大地测量学与测量工程]