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详细分析了窗函数选择对短时傅立叶变换的影响,提出了一种窗长自适应的短时傅立叶变换算法,并给出了快速算法,进行了算法复杂度分析,最后给出了仿真实验。
The effect of window function selection on short-time Fourier transform is analyzed in detail. A short-time Fourier transform algorithm with adaptive window length is proposed. A fast algorithm is presented and the complexity of the algorithm is analyzed. Finally, a simulation experiment is given.