Get harmoniques of a real signal by Azzi Abdelmalek

Given the signal x(t), the function find a0, ak, bk the amplitudes of cos and sin waves. (harmonics, ak, ck)

[wc,w0,a0,ak,bk,c0,ck]=get_harmonics(y,pas)

get_harmonics_demo.m

Waveform Generator GUI by Maxim Vedenyov

Generate waveformed signal and play it. Interactive GUI with movable datapoints. (waveform, gui, signal processing)

Waveform Generator GUI

bdf(ha,hfl,uf)

hfl=create_marker(ha,x,y,r,c,uf,no)

Simple real Fourier series approximation by Matt Tearle

Computes coefficients for the real Fourier series approximation to a data set. (fourier series)

Fseries(x,y,n,scale,sincos)

Fseriesval(a,b,x,scale)

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)

Fourier series with sigma approximation by Abhishek Ballaney

Fourier series with sigma approximation (fourier series, sigma approximation, lanczos)

f=sumseries(c,x,px,n,sig)

fftsigma

fourier series calculator by Amin Bashi

initiates a GUI that graphs a function against the nth partial sum of its Fourier series (fourier series, gui, mathematics)

fourier_comp(func,m,L)

fourier_gui

fx(x)

Double Fourier Series Surface Plotting by Howard Wilson

Double Fourier series plots and effects of the number of terms and oscillation smoothing are shown. (mathematics, fourier series, physics)

[z,x,y]=frustum(x,y,ro,ri,doplot)

[z,x,y]=splitcyl(x,y,doplot)

c=getftcof(fun,px,py,nft)

Triangle Wave Fourier Series Demo by Kanchi

Triangle Wave Fourier Series Demo (fourier series, triangle wave, spectral analysis)

triangle_wave_fourier_series_demo

Fourier Series Tool by Suresh Kumar Gadi

Draw function (signal) plot by giving furier coefficents for complex exponential (fourier series, function, signal)

submition(varargin)

FourierTransform.m by Carlos Adrian Vargas Aguilera

Complex Fourier Transform of a real time series. From zero to Nyquist frequency. (fft, fourier components, fourier series)

fouriertransform(x,varargin)