一种改进的ESPRIT测向算法

A Modified ESPRIT Algorithm for Direction Finding

ESPRIT测向算法需要预先知道来波的数目。本文对ESPRIT算法进行了改进。改进后的算法把对空间来波数目的估计和空间来波方向的估计有效地结合起来,从整体上减少了运算量,而没有降低测向性能。最后进行了计算机仿真。仿真结果表明,该算法切实可行,具有工程应用价值。

To know the source number is needed when using ESPRIT algorithm for direction finding.In this paper,ESPRIT algorithm is modified.In the modified algorithm,source number estimation and direction estimation are combined efficiently.The algorithm needs less computational work without impairing the performance of direction finding.The computer simulation is performed.The simulation results show that the modified algorithm is feasible and effective.