针对无线信道角度功率谱测量问题，提出了一种简单而新颖的测量方法。
A novel method for estimating power azimuth spectrum(PAS)of wireless channel is presented in this paper.
从轨道谱的功率谱密度、时间样本幅值及对动力学性能影响的角度，对比了秦沈线轨道谱和德国轨道谱。
The track spectra of Qinhuandao-Shenyang(QS) passenger railway line and German railways were compared in terms of power spectrum density(PSD), amplitude of time domain samples and dynamic performance.
麦克风间距的限制是互功率谱加权声源测向方法最大的问题，声源测向精度、角度分辨率与麦克风间距成反比。
The method used in the literature greatly limit the distance between the microphone-array, and the precision of direction finding is related to the distance of the microphone-array.
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