一种相关干涉仪与MUSIC算法相结合的改进测向算法

A improved direction finding algorithm combined correlative interferome‑terand music algorithm

为了提高反辐射导引头的测角精度和实时性,讨论了相关干涉仪测向以及MUSIC测向两种算法,结合两种测向算法的优势,提出一种改进算法。首先采用相关干涉仪算法进行初测角,将其结果作为MUSIC测向算法的引导角,可有效减少MUSIC算法的运算量。该算法满足实时性要求又提高测向精度,仿真结果验证了该改进算法的有效性。

For improving the direction-finding precision and real-time performance of anti-radiation,correlative interferometer direction finding and MUSIC direction finding are discussed,A method is given on the base of combining the advantages of the two methods.First,a dirction can be found by correlative interferometer method,and the result can used as the direction of MUSIC algorithm.The simulation results show that the algorithm effectively reduces the time-consumed and improves the direction-finding accuracy.