The mechanism of the performance degration for space-frequency spectrum estimation due to ChannelMismatching and Sensor Coupling is analyzed.
分析了空间谱估计中多信号源方向和频率估计中通道失配和阵元互耦导致系统性能下降的机制。
In this paper, instead of using the bispectrum to detect the quadratic phase coupling, a new method based on -dimension spectrum is developed.
本文在原有利用双谱对二次相位耦合进行分析的基础上，提出了维谱分析方法。
It is shown that the phase noise spectrum density shift periodicity with the length of external cavity and the peak value of power spectrum density varies considerably with the feedback coupling rate.
这表明相位噪声功率谱密度随外腔长度而周期性地漂移，且功率谱密度的峰值随外部反馈耦合率而发生很大的变化。
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