发明名称 |
Fast decimeter-level GNSS positioning |
摘要 |
Methods and apparatus for processing of data from GNSS receivers are presented. A post-processing engine and a post-processed accuracy predictor are described. The post-processing engine provides high accuracy GNSS (GPS) position determination with short occupation time for GIS applications. The post-processed accuracy predictor calculates during data collection an estimate of the accuracy likely to be achieved after post-processing. This helps to optimize productivity when collecting GNSS data for which post-processed accuracy is important. The predictor examines the quality of carrier measurements and estimates how well the post-processed float solution will converge in the time since carrier lock was obtained.
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申请公布号 |
US7498979(B2) |
申请公布日期 |
2009.03.03 |
申请号 |
US20070786017 |
申请日期 |
2007.04.09 |
申请人 |
TRIMBLE NAVIGATION LIMITED |
发明人 |
LIU JUNJIE;VOLLATH ULRICH;WEST PETER IAN;KLOSE SOEREN ULF |
分类号 |
G01S19/32;G01S5/14;G01S19/44 |
主分类号 |
G01S19/32 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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