Fast Fourier transform projects and source code

Scft(2d) in matlab

The following Matlab project contains the source code and Matlab examples used for scft(2d). A demo code for solving self-consistent field theory (SCFT) equations in 2D space, solving diffusion equation with fft.

Psd (power spectral density), and amplitude spectrum with adjusted fft in matlab

The following Matlab project contains the source code and Matlab examples used for psd (power spectral density), and amplitude spectrum with adjusted fft. Function [fy]=FFT(y,Fs)   1)computes the Power spectral density and Amplitude spectrum (P(f),F(f))   of 1d signal y(t) with sample rate Fs (Nyquist rate) which is known% apriori.

Findfft returns fft amplitude and frequency vectors from input data in matlab

The following Matlab project contains the source code and Matlab examples used for findfft returns fft amplitude and frequency vectors from input data . findFFT returns fft amplitude and frequency vectors from input data, with options to return normal fft, zeropadded fft, windowed fft, or both windowed and zeropadded to remove spectral leakage.

Ecg compression in matlab

The following Matlab project contains the source code and Matlab examples used for ecg compression. This program uses 4 different Transform to compress an ECG signal,DCT transform,DST transform,FFT transform and DCT2 transform. and then compare this 4 method to determine which of them has better PRD and Compression Ratio.

3 part demo use of simple matlab commands for bit reversal required in fast fourier transform or fft

The following Matlab project contains the source code and Matlab examples used for 3 part demo use of simple matlab commands for bit reversal required in fast fourier transform or fft. 3-Part Demo Uses of Simple Matlab Commands for Bit Reversed Indices Required in Fast Fourier Transform or FFT

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