# To compute dft of a given signal in matlab

The following Matlab project contains the source code and Matlab examples used for to compute dft of a given signal . Tracing code is intended to perform N point Discrete Fourier Transform of input signal x. Maximum value of N is equal to signal length. It also computes the DFT matrix of order N.

# Dtmf decoder in matlab

The following Matlab project contains the source code and Matlab examples used for dtmf decoder. This file demonstrate the waveform of a DTMF, its frequency contents and as well as the FFT transforms.

# Fast chebyshev transform (1d) in matlab

The following Matlab project contains the source code and Matlab examples used for fast chebyshev transform (1d). This script allows for fast transformation between nodal and spectral values at the Chebyshev-Gauss-Lobatto points by using the built-in functions fft/ifft.

# Dtmf encoder decoder with gui using fft,goertzel,filter banks in matlab

The following Matlab project contains the source code and Matlab examples used for dtmf encoder decoder with gui using fft,goertzel,filter banks. A phone-like DTMF tool with GUI using several methods, FFT,goertzel and filter banks. Just run the gui.

# Ezfft an easy to use power spectrum (fft) in matlab

The following Matlab project contains the source code and Matlab examples used for ezfft an easy to use power spectrum (fft). EZFFT(T,U) plots the power spectrum of the signal U(T) , where T is a 'time' and U is a real signal (T can be considered as a space coordinate as well).

# Nonlinearity detection using zeroed early time ffts in matlab

The following Matlab project contains the source code and Matlab examples used for nonlinearity detection using zeroed early time ffts. Nonlinearity detection scheme based on zeroing the initial time response over various intervals and computing the FFT of each, as described in: M.

# Fast circular (periodic) cross correlation in matlab

The following Matlab project contains the source code and Matlab examples used for fast circular (periodic) cross correlation. Uses fft to calculate the circular cross correlation of two periodic signal vectors.

# Performs vectorized fft on multiple processors. new: single and double precision. in matlab

The following Matlab project contains the source code and Matlab examples used for performs vectorized fft on multiple processors. new: single and double precision. . This is an extension of the original FFTmt to perform single-precision fft as well as double-precision.

# Ec1302 dsp lab in matlab

The following Matlab project contains the source code and Matlab examples used for ec1302 dsp lab.

# Display and design tool for fft windows - alternative to wintool.m in matlab

The following Matlab project contains the source code and Matlab examples used for display and design tool for fft windows - alternative to wintool.m . ---- winplt.

# Real time octave analysis in matlab

The following Matlab project contains the source code and Matlab examples used for real time octave analysis. This is an extension of the real time FFT demo provided with the data acquisition toolbox (demoai_fft).

# Spectrum scope in matlab

The following Matlab project contains the source code and Matlab examples used for spectrum scope. Spectrum scope makes it easy to compute and display the fft of a live signal.

# N dimensional fourier interpolation in matlab

The following Matlab project contains the source code and Matlab examples used for n dimensional fourier interpolation. Performs N-D FFT interpolation on any data for which fftn works. Will upsample by zero-filling, downsample by truncating high frequencies, or combine both up- and downsampling by dimension to allow arbitrary reshaping.

# Fftnoise generate noise with a specified power spectrum in matlab

The following Matlab project contains the source code and Matlab examples used for fftnoise generate noise with a specified power spectrum. USAGE: noise=fftnoise(f[,Nseries])   INPUTS:   f: the fft of a time series (must be a column vector)   Nseries: number of noise series to generate.

# Displays a two dimensional discrete fourier transformation. in matlab

The following Matlab project contains the source code and Matlab examples used for displays a two dimensional discrete fourier transformation.. Easy to use display function for analyzing the FFT of tow-dimensional signals.

# Use fourier interpolation to increase sampling of an image. also includes an optional filter. in matlab

The following Matlab project contains the source code and Matlab examples used for use fourier interpolation to increase sampling of an image. also includes an optional filter. . Zero-pads the FFT of an image up to the desired size, then performs IFFT on larger array.

# 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.

# Frequency domain analysis example in matlab

The following Matlab project contains the source code and Matlab examples used for frequency domain analysis example. An example of conducting frequency domain analysis for the vibration system shown on the icon. Including fft, 2nd order differential equations and plotting Bode diagrams.

# Fft accelerated surface analysis tools package in matlab

The following Matlab project contains the source code and Matlab examples used for fft accelerated surface analysis tools package. This package consist of a number of auxiliary functions that are helpful for analysing 1D and 2D signals such as surface profiles and surfaces and images.

# An optical fft code to simulate fabry perot cavities with arbitrary mirror profiles in matlab

The following Matlab project contains the source code and Matlab examples used for an optical fft code to simulate fabry perot cavities with arbitrary mirror profiles . OSCAR is an optical FFT code used to calculate the steady state optical field circulating in Fabry Perot cavities.

# 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.

# Modified interpft to do aliased sinc interpolation. in matlab

The following Matlab project contains the source code and Matlab examples used for modified interpft to do aliased sinc interpolation. . The INTERPFT function does sinc interpolation by taking an FFT, padding its end with zeros, and then taking an IFFT.

# Bpsk (time & frequency domain) in matlab

The following Matlab project contains the source code and Matlab examples used for bpsk (time & frequency domain). This model generates baseband and IF BPSK signal and plots its waveform(time-domain) and FFT(frequency-domain).

# 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.

# Quick & easy smoothing in matlab

The following Matlab project contains the source code and Matlab examples used for quick & easy smoothing. Z = SMOOTH1Q(Y,S) smoothes the data Y using a DCT- or FFT-based spline smoothing method.

# Fast Fourier Transform Matlab Code

The following matlab project contains the source code and matlab examples used for fast fourier transform.

# A guide to the fft 2nd edition plus in matlab

The following Matlab project contains the source code and Matlab examples used for a guide to the fft 2nd edition plus. The fft of 3 functions are compared with their analytic transforms. The method proposal produce results that are super imposable with the theoretical predictions. Odd and even number of points are considered. (The algorithm works correctly in both cases).

# 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

# 16 point radix 2 dif fft in matlab

The following Matlab project contains the source code and Matlab examples used for 16 point radix 2 dif fft . Contain the computation of 16 point DIF FFT in each stages and reordering process.

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