Effects of subharmonic frequencies on DFT coefficients
暂无分享,去创建一个
When relatively short data segments are used in DFT analysis, DFT coefficients are affected by subharmonic frequencies in the data record. The characteristics of these effects as a function of magnitude and phase are described herein.
[1] S. Bertram. Frequency analysis using the discrete Fourier transform , 1970 .
[2] Gabor C. Temes,et al. Optimum low-order windows for discrete Fourier transform systems , 1976 .
[3] F. Harris. On the use of windows for harmonic analysis with the discrete Fourier transform , 1978, Proceedings of the IEEE.