The application of wavelet to data pretreatment in GPS baseline solution;

According to the characteristic of GPS project in the bridge of Hang Zhou bay,after we compared with anthropogenic increasing the error of the initial point can have the affect on the baseline solution,any error of initial point s coordinate may cause the error of three constituents of the baseline.

The un-modeled systematic errors are the most important factors for high-precision GPS baseline solution.

This paper briefly introduced the origin of errors of effects on GPS survey,and analyzed the influence that is caused by these errors to GPS survey,and the reference specifications and control specifications of baseline processing quality control were presented.

This contribution explains the difference and common between GPS data processing scientific research software and commerce software by comparing their capabilities,models selected and precision of outcome of baseline processing.

GPS base line calculation and its quality control.;

This paper introduces the method for the resolving condition improving non-qualified baseline, which makes as far as possible baselines get satisfied solution, which improves baseline resolving quality, get reliable net adjustment result, avoids baseline re-measuring in order to improve work efficiency.

This paper introduces application of GPS fixing technology in Liaohe well block Hainan 3, analyzes GPS layout, baseline resolving and processing of net adjusted data.