Power Spectrum Density Analysis

Based on the restoring ancient discrete Fourier Transform ways

Power Spectrum Density Analysis
PSD for time series.

Functions
1. dft: Descrete Fourier Transform of time series.
2. asa: Autospectrum Analysis (Power Spectrum Density)
3. autocorr: Auto-Correlation Coefficient
4. csa: Cross Spectrum Analysis

Author
Zelun Wu
[e-mail], [e-mail]
College of Ocean and Earth Sicence, Xiamen University
College of Earth, Ocean and Environment, University of Delaware

自强不息，止于至善。