The FFT (Fast Fourier Transform) is rightfully regarded as the ... a signal is a composition of a number of sinusoidal functions with given amplitude, frequency, and phase. The Fourier series equation ...

Given the data in Excel you can output a Fourier series and then graph it using the XY Scatter graph. Install the Excel Analysis ToolPak. Launch Excel and click on the "File" tab in the upper-left.

Here we demonstrate that using the integrability of the master model and the nonlinear Fourier transform ... nonlinear spectrum is given by a linear equation with additive noise: Since the ...