Performance Analysis of Different Positioning Modes of Navigation Software of Central Ship System of Survey Ship

This article first introduces the principles and methods of navigation and positioning in detail; secondly, it introduces the functions of navigation processing software and analyzes the performance of different positioning modes (GNSS, GPS, GLONASS, BDS) in the navigation processing software; finally, based on the measured data of a certain mission, the positioning accuracy of different positioning modes is analyzed, and the priority of positioning accuracy is given.