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本文分析了通道失配对高分辨率谱估计算法(MUSIC)的影响.推导了通道失配与方向估计误差的关系表达式,给出了Cramer-Rao界和计算机模拟结果。理论和仿真结果表明:通道失配会增大方向估计误差,使其性能变坏。
This paper analyzes the effect of channel mismatch on high resolution spectral estimation algorithm (MUSIC). The relationship between channel mismatch and direction estimation error is derived, and the Cramer-Rao bound and computer simulation results are given. Theoretical and simulation results show that channel mismatch increases the direction estimation error and deteriorates its performance.