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Periodic signal processing method, periodic signal conversion method, periodic signal processing device, and periodic signal analysis method
Periodic signal processing method, periodic signal conversion method, periodic signal processing device, and periodic signal analysis method
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机译:周期信号处理方法,周期信号转换方法,周期信号处理装置以及周期信号分析方法
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摘要
The invention relates to a periodic signal processing method, a periodic signal conversion method, and a periodic signal processing device capable of reducing the influence of periodicity without using a spectral model. Time windows are arranged such that a center of each of the time windows is at a division position which divides a fundamental frequency in a temporal direction into fractions 1/n (where n is an integer equal to or larger than 2) so as to extract a plurality of portions of different ranges from a signal having periodicity. A power spectrum for the plurality of portions extracted by the respective time windows is calculated, and the calculated power spectrum is added with a same ratio.
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