MatLab Solutions: "Introduction to Digital Signal Processing: A Computer Laboratory Textbook". by Ilias Konsoulas

These files are the MatLab solutions of exercises contained in the above DSP lab textbook. (digital signal proces..., gabor transform, chirp ztrans)

AD_DA(x,Xmin,Xmax,Levels)

conv_DHT(x,h)

diffft(x)

Extended DFT by Vilnis Liepins

Program EDFT produce high-resolution N-point DFT for N greater then the length of data vector. (extrapolation, dft, fft)

Generalized Goertzel algorithm by Pavel Rajmic

Goertzel algorithm generalized to non-integral multiples of fundamental frequency. (goertzel, mathematics, dft)

goertzel_classic(x,indvec)

goertzel_general_shortened(x,indvec)

Calculate PSD of a signal using Welch algorithm by Roni Peer

A short function I've revised a long time ago to calculate the PSD of a signal. (psd, welch, periodogram)

calc_psd(X, NFFT, Fs, WINDOW)

Discrete Fourier Transform of a finite sequence by Saurav Nandi

A finite sequence is taken as an array input and its DFT is calculated. (dft, discrete fourier tran..., signal processing)

Discrete_Fourier_Transform.m

Number theoretic transform by Praveen

This code is used to find the NTT of a sequence (ntt, number theoretic tran..., dft)

NTT.m

dft.m by Shubhi Rani

computes 1-D fourier transform (dft, matlab, simulation)

dft.m

Discrete Fourier Series without using fft function by Nikesh Bajaj

This program calculates the DFS/DFT without using fft function of Matlab. (fft, dft, communications)

[X]=DFT_nik(x)

Geometrical interpretation of the 1-D DFT by Michael Chan

Demonstrates Professor Grigoryan's illustration of geometrical interpretation of the 1-D DFT. (dft, geometry, visualization)

do_Operation1.m

do_Operation2.m

executeMain.m

Overlap Add Overlap Save methods implementation for block DFT processing. by Anshul Thakur

Overlap add and Overlap save methods for split block processing. (block processing, overlap add, signal processing)

OA_OS.m

Fourier transform demonstration by David Young

An introductory demonstration of the discrete Fourier transform, making use of the fft function. (filtering, fast fourier transfor..., dft)

Introductory Fourier Transform Demonstration

Signals and Systems Laboratory with MATLAB M-files by Alex Palamides

These are most of the m-files contained in the book Signals and Systems Laboratory with MATLAB (bode, state space, laplace)

[sm,pro]=oper(A,B)

convd(x,n1,h,n2)

det1(A)

discrete fourier transform 2D by Deepak Kumar Rout

This program finds the DFT of an image without using the inbuilt function in matlab (discrete fourier tran..., image dft, 2d dft)

image_dft.m

Fourier reconstruction of Bandlimited function by kk KKsingh

Fourier reconstruction of Band limited function (communications, image processing, dtft)

removecol(inputmatrix,colnumber)

removerow(inputmatrix,rownumber)

Fourier.m

DIT Radix-2 FFT with Bit Reversal by Dinesh Bhati

Decimation in Time Radix2 FFT algorithm by cooley and tuckey (bit resersal, decimation, radix2)

[fh]=myfftcompact(df)

refstring=refstr(Nf)

testmyfft1.m

FFT filter - clean your signals and display results! by Shmuel Ben-Ezra

Perform Fourier transform, filter in frequency domain, reconstruct the signal. (filter, dft, data analysis)

fftf(t, x, varargin)

A 32 point FFT in embedded MATLAB using fixed point arithmetic by Kiran Kintali

The attached model implements a 32 point fft using embedded MATLAB and fixed point arithmetic (dsp, embedded matlab, fft)

plot_results.m

mfft_32pt_7a

Circular Convolution by Peter Mash

Circular Convolution of two equal-length vectors (circular convolution, fft, dft)

cconv(x,y)

fshift by Francois Bouffard

Shifts the elements of an array by a (possibly non-integer) given number of elements. (fractional, utilities, shift)

fshift(x,s)

Fast Fourier Transform by erinc topdemir

An fft algorithm using radix2. (dsp, fft, fourier)

x=my_fft(y,m)

Fast Convolution by Stephen McGovern

Convolves two extremely large vectors in reasonable time. (conv, convolution, dft)

[y]=fconv(x, h)