Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/68186
Title: A new approach for the validation based on the probabilistic properties of the integer ambiguity estimation
Other Titles: 基于整周模糊度概率特性的有效性检验
Authors: Zhang, Q
Chen, YQ 
Keywords: Integer carrier phase ambiguity
The validation test
Probability mass function
Issue Date: 2003
Publisher: 中國學術期刊(光盤版)電子雜誌社
Source: 测绘科学 (Science of surveying and mapping), 2003, v. 28, no. 2, p. 16-19 How to cite?
Journal: 测绘科学 (Science of surveying and mapping) 
Abstract: 准确确定载波相位整周模糊度是快速高精度GPS定位的关键,已有的检验GPS整周模糊度有效性的方法几乎均是基于其为非随机常量建立的,因而都存在一定的缺陷。本文在研究整周模糊度概率特性的基础上,提出一种基于LABMBAD算法的整周模糊度概率分布函数的检验方法。实际演算表明该方法简单有效,统计概念明确。
Successful integer carrier phase ambiguity is the key to fast and high precise GPS positioning. The methods that have been used for the validation of the integer ambiguity are almost based that the integer ambiguities are deterministic constants. Therefore,all of them have some shortcomings. In this paper, a new test method has been proposed for the validation of the correct integer ambiguity, which is obtained by the least squares ambiguity decorrelation approach(LAMBDA). The method is based on the probability of the integer ambiguity and discriminated by the probability of the correct integer ambiguity and the probability of the second likely integer ambiguity. The practical test results showed this method is simple and efficient, and its statistic concept is explicit.
URI: http://hdl.handle.net/10397/68186
ISSN: 1009-2307
Rights: © 2003 中国学术期刊电子杂志出版社。本内容的使用仅限于教育、科研之目的。
© 2003 China Academic Journal Electronic Publishing House. It is to be used strictly for educational and research purposes.
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