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测绘学报  2015 

削弱电离层影响的三频TurboEdit周跳处理方法

DOI: 10.11947/j.AGCS.2015.20140380, PP. 840-847

Keywords: 三频GNSS,周跳探测与修复,无几何无电离层码相组合,相位无几何组合,两次历元差分

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Abstract:

针对电离层活跃期或磁暴发生时,现有三频周跳探测方法难以正确探测与修复周跳的问题,借鉴双频TurboEdit思想,提出了能够削弱电离层延迟影响的三频TurboEdit方法。该算法中的三频无几何无电离层码相组合和两次历元差分后的相位无几何组合,均能有效削弱电离层延迟对周跳探测的影响。随后利用三频实测数据对本文算法进行了验证,试验结果表明该方法能够消除电离层延迟影响,实现电离层活跃观测条件下动态非差周跳的实时探测与修复。

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