Journal of Guangdong University of Technology ›› 2010, Vol. 27 ›› Issue (1): 86-89.

• Comprehensive Studies • Previous Articles     Next Articles

The Design and Implementation of Conventional Control Network Adjustment Program

  

  1. Faculty of Civil and Transportation Engineering，Guangdong University ofTechnology，Guangzhou 510006，China
  • Online:2010-03-25 Published:2010-03-25

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Abstract: GNetAdj is based on the principles of indirect adjustment，and it is designed by Visual C++6．0．It can realize the adjustment and estimate of precision for level network，triangulation network，trilateration network，triangulateration network and other conventional control networks．Some methods of calculating approximation coordinates for special control network are discussed，and some methods of fixing the weight of different observations are analyzed．Finally，the program is verified by a case，and the result SHOWS that it has good practical value．

Key words: control network；estimation of variance；adjustment；methods of fixing weight；calculation of approximate coordinates

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