Development GPS Software(Gquicks1.5) of the Directly Calculate 3D Deformation Information and the Application in Three Gorge Area Landslide Monitoring

This text discusses and doesn't calculate the baseline of GPS,but the direct solution 3D deformation information the principle and the verification of the accuracy,introduce to develop of Gquicks1.5,Pass in the application in Three Gorge Area landslide monitoring,tallied up GPS to observational program,put forward some beneficial conclusions and suggestion.