DATS Frequency Analysis

FFT
Auto & Power Spectra
Cross Spectra
Third Octaves
Coherence
Energy Over Frequency
Transfer Functions

The standard DATS.toolbox package comes with a large selection of frequency domain analysis functions.

Analysis functions include

Auto (Power) Spectrum
Cepstrum
Coherence Spectrum
Complex to Mod/Phase
Cross Spectrum
dB Weighting
Weighting (A,B,C,D)
FFT (Full Range)
FFT (Half Range)
Hopping FFT
Inverse FFT (Full Range)
Inverse FFT (Half Range)
Inverse FFT (Long Complex Full Range)
Omega Arithmetic
Third Octave Bands
RMS Over Frequency Band
Autoregressive Filter Coefficients
Envelope (Complex Demodulation)
Envelope (Fourier)
Long FFT
Inst. Frequency
Interpolate a Signal
Min. Phase Spectrum
Maximum Entropy Spectral Estimate
Winograd Transform
Zoom FFT
Zoom Auto Spectral Density
Zoom Cross Spectral Density