FFT :

Perform FFT spectral analysis for accurate component frequency and power.

FFT with Tapering Window :

Solve the leakage problem found with standard FFT methods by using one of the 30 data tapering windows included.

Fourier Spectra of Segmented Data :

FFT spectra of segmented data makes it possible to check the assumption of stationarity by inspecting a graph of the individual spectra or by displaying all the spectra in a 3D plot. It also makes it possible to generate full error bars for the averaging across segments.

Multitaper Spectrum :

The Fourier Multitaper spectrum is a cutting edge technique that reduces the variance of the spectral estimate using statistical methods.

FFT of Unevenly Sampled Data :

Easily handle unevenly sampled data with Lomb - Scargle Periodogram Fourier domain analysis with techniques that were originally developed by astrophysicists.

Continuous Wavelet Transform (3D) :

Easily find the time and frequency localization components simultaneously of a non - stationary periodic signal by viewing a 3D surface. Rotate the surface for better perspectives.