Introduction - If you have any usage issues, please Google them yourself
In spectrum analysis, the data length N, the sampling frequency fs, the spectrum of a resolution of df = fs/N. Spectral analysis in order to improve the resolution, commonly used ZOOMFFT, here the corresponding MATLAB procedures.
Packet : 51622432zoomfft.zip filelist
exzfft_m.m
test_exzfftm.m
ZFFT原理.doc