Volume 37 Issue 6
Jun.  2012
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ZHU Huizhong, LIU Jingnan, TANG Weiming, GAO Xingwei. An Algorithm of Instantaneous Double Difference Ambiguity Resolution for Long-Range Reference Stations of Network RTK[J]. Geomatics and Information Science of Wuhan University, 2012, 37(6): 688-692.
Citation: ZHU Huizhong, LIU Jingnan, TANG Weiming, GAO Xingwei. An Algorithm of Instantaneous Double Difference Ambiguity Resolution for Long-Range Reference Stations of Network RTK[J]. Geomatics and Information Science of Wuhan University, 2012, 37(6): 688-692.

An Algorithm of Instantaneous Double Difference Ambiguity Resolution for Long-Range Reference Stations of Network RTK

Funds: 中国测绘科学研究院基本科研业务费资助项目(7771202,7771017);;国家自然科学基金资助项目(41104024);;地理空间信息工程国家测绘地理信息局重点实验室开放基金资助项目(201103);;国家863计划资助项目(2011AA120503,2012BAB16B01)
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  • Received Date: April 05, 2012
  • Published Date: June 04, 2012
  • A new algorithm of instantaneous double difference ambiguity resolution for long-range reference stations of Network RTK is proposed.The wide-lane ambiguity are determined by the linear relationship between double frequency carrier phase ambiguities.Then candidates of double frequency carrier phase ambiguities can be selected,the integer ambiguities are searched out through the computation of non-dispersive error e.g.tropospheric delay and orbit offset between reference stations.Test data were used to evaluate the algorithm.The results indicate that this algorithm can provide reliable double difference integer ambiguities very quickly for long-range reference stations.

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