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本文主要研究了时窗函数谱对信号谱估计的影响;时窗函数谱的特性分析以及利用FFT算法直接计算时窗函数谱的方法。
In this paper, we mainly study the influence of time-window function spectrum on signal spectrum estimation, the analysis of time-window function spectrum characteristics and the direct calculation of time-window function spectrum using FFT algorithm.