Using Orthogonal Transformation Method to Select Independent Baselines and Independent Double-difference Ambiguities

REN Kai; SONG Xiaoyong; JIA Xiaolin

doi:10.13203/j.whugis20140262

Volume 41 Issue 7

Jul. 2016

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Geomatics and Information Science of Wuhan University > 2016 > 41(7): 974-977. > DOI: 10.13203/j.whugis20140262

REN Kai, SONG Xiaoyong, JIA Xiaolin. Using Orthogonal Transformation Method to Select Independent Baselines and Independent Double-difference Ambiguities[J]. Geomatics and Information Science of Wuhan University, 2016, 41(7): 974-977. DOI: 10.13203/j.whugis20140262

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Using Orthogonal Transformation Method to Select Independent Baselines and Independent Double-difference Ambiguities

1.
Skate Key Laboratory of Geo-Information Engineering, Xi'an 710054, China
2.
Xi'an Technical Division of Surveying and Mapping, Xi'an 710054, China
3.
Xi'an Research Institute of Surveying and Mapping, Xi'an 710054, China

Funds:

The National Natural Science Foundation of China, Nos Nos. 41074020, 41204020

the Open Research Fund Program of Skate Key Laboratory of Geo-Information Engineering No.SKLGIE2015-M-1-2

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Received Date: June 11, 2015
Published Date: July 04, 2016

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Abstract

The principle of constructing independent vector sets using Gram-Schmidt orthogonal transformation is proposed. The method of setting independent baseline and independent double-difference ambiguity data sets refers to the idea of vertex incidence matrix and vector weight. The three ways to build double-difference ambiguity data sets are discussed. The computing process of selecting independent baselines and independent double-difference ambiguities is provided. An example of orbit determination using global GPS track nets is tested. The result shows that the orthogonal transform algorithm is effective.
- Gram-Schmidt method,
- independent baselines,
- independent double-difference ambiguity,
- vertex incidence matrix

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