论文信息 - Figures of merit of windows for power density spectrum estimation with the DFT

Figures of merit of windows for power density spectrum estimation with the DFT

The figures of merit of windows for harmonic analysis proposed by Harris [1] are discussed, and other figures of merit are investigated. An interesting result is that for the estimation of the power density spectrum from a limited amount of data, the only relevant characteristic of a window is the spectral sidelobe level.

A. Blomqvist

[1] Fred Harris. On Overlapped Fast Fourier Transforms , 1978 .

[2] P. Welch. The use of fast Fourier transform for the estimation of power spectra: A method based on time averaging over short, modified periodograms , 1967 .

[3] F. Harris. On the use of windows for harmonic analysis with the discrete Fourier transform , 1978, Proceedings of the IEEE.