Research on Improved Security Enhancement Technology Algorithm of Beidou Navigation System

This paper mainly introduces the composition, principle and characteristics of the second generation of Beidou navigation satellite system, summarizes the security technology of Beidou navigation signal, puts forward the improved security enhancement technology-space-time-frequency combined adaptive anti-jamming algorithm, analyzes the advantages of the improved anti-jamming algorithm in principle, and forecasts the development trend of the security technology of Beidou navigation satellite system.