Abstract
With the development of science and technology, DOA estimation technology has became one of the research hot spots. typical MUSIC algorithms are widely used in DOA estimation.its applicable scope is the common navigation system. In order to improve the resolution of the MUSIC algorithm and the accuracy of DOA algorithms, reduce the error of channel in the actual situation, this article presents an algorithm for DOA estimation of interference signals from satellite navigation that considering channel errors of array antenna based on the principle and characteristics of the classical MUSIC algorithm, and simulated analysis for MUSIC space spectrum under different channel errors and error compensation, the simulation results show that this algorithm can reduce the error caused by the inconsistency of signal channels. when the resolution of the MUSIC algorithm is improved. This article has certain research significance to the application of MUSIC algorithm in the actual situation.
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