分析了通道不一致对算法性能的影响，建立了宽带信号模型的通道误差模型；
The channel uncertainty of wideband signals is modeled and its affection on the performance of DOA estimation is analyzed.
基于误差分析理论，提出校验通道的误差应不大于被试通道误差限的五分之一。
Based on error analysis theory, it is deduced that the error of calibrating channel should be no more than one fifth of the tested channel error limitation.
分析了阵列天线的通道误差对DOA估计算法的影响，研究了一些校正算法的性能。
The effect of array antenna channel error on DOA algorithm and analysis of some array antenna channel error calibration motheds is given.
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