GNSS三频周跳探测与修复算法

发布时间：2018-04-04 06:50

本文选题：周跳探测　切入点：不敏感周跳　出处：《测绘学报》2017年04期

【摘要】：针对使用组合观测值探测周跳存在不敏感周跳且难以修复的问题,研究了三频周跳探测与修复的几何原理,从几何角度研究了多个相位无几何组合(GF)探测周跳的异同,以及加入MW组合后的效果,并搜索了相应的不敏感周跳。提出了以对应的横截面积最小为原则选取组合量的方法。经北斗三频实测数据验证,GF组合的数量以两个为宜,加入MW组合后不敏感周跳进一步减少,优化选取的两个GF组合和MW组合联合探测周跳仅存在一个不敏感周跳,且探测到的周跳均能正确修复。
[Abstract]:In order to solve the problem of detecting cycle slips insensitive and difficult to repair using combined observations, the geometric principle of detecting and repairing cycle slips with three frequencies is studied, and the similarities and differences of detecting cycle slips without geometric combination of phases are studied from the geometric point of view.And the effect of adding MW combination, and search the corresponding insensitive cycle jump.In this paper, a method of selecting combinatorial quantities based on the principle of minimum cross-sectional area is put forward.According to the measured data of Beidou three frequency, it is proved that the number of GF combination is better than two, and the insensitive cycle slip is further reduced after adding MW combination, and only one insensitive cycle slip exists in the optimized selection of two GF combinations and MW combination to detect cycle slip.And the detected cycle slip can be repaired correctly.
【作者单位】：信息工程大学;北斗导航应用技术河南省协同创新中心;上海司南卫星导航技术股份有限公司;
【基金】：国家自然科学基金(U1636219;41604032) 国家重点研发计划(2016YB0801303) 地理信息工程国家重点实验室开放研究基金(SKLGIE2015-M-2-5)~~
【分类号】：P228.4

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