Abstract
The BeiDou Navigation Satellite System is an important space infrastructure independently constructed and operated by China. After being put into operation, it has achieved remarkable results and achieved ideal achievements. It is a navigation system with independent intellectual property rights in China. After entering a new era, the BeiDou Navigation Satellite System combined with surveying and mapping has achieved ideal achievements in the field of engineering. This paper analyzes the application of BeiDou Navigation Satellite System in the selection of land surveying and mapping coordinate system, and compares the accuracy with traditional measurement methods. The research shows that the application of BeiDou Navigation Satellite System can obtain observations with high precision, high efficiency and more convenient Calculate the projection deformation, and then judge whether the selection of the coordinate system meets the accuracy requirements of land surveying and mapping.
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