Satellite navigation protection effect evaluation platform based on NEMA data

The invention discloses a satellite navigation protection effect evaluation platform based on NEMA data, and the platform comprises a protection data extraction module which is used for analyzing input satellite navigation protection test data and then extracting the satellite navigation protection data, and the satellite navigation protection test data should meet the NEMA standard format; a satellite signal-to-noise ratio dynamic display module, a satellite number dynamic display module, an effective protection proportion calculation module for calculating an effective protection proportion, and an interference source deployment setting module; a protection situation display module, a process redisk module and a result report generation module. The evaluation platform can analyze actual satellite navigation protection data, is high in functionality and convenient to operate, and has the following functions of dynamically displaying the number of satellites and the signal-to-noise ratio of the satellites, dr