The BeiDou II satellite navigation and positioning system independently developed by my country has the ability of regional navigation and positioning. This paper takes the BD2/GPS dual-system navigation receiver as the research object, studies the communication protocol of the BD2/GPS dual-system receiver, gives the data acquisition method of the BD2/GPS dual-system receiver, designs the BD2/GPS receiver information processing and analysis software based on VC++ in detail, gives its software flow, studies the evaluation indicators of the receiver positioning performance, and extracts the state parameters and precision factor of the BD2/GPS joint positioning. At the same time, the computer setting and control of the BD2/GPS dual-system receiver are realized. Through actual testing and debugging, it is shown that the designed BD2/GPS receiver information acquisition and processing system works stably, has a friendly interface, and has strong scalability, and can be used to analyze the positioning performance of the BD2/GPS dual-system receiver.
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