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updated almost 4 years ago

Importance of Image Phase Information Demo by Michael Chan

The objective is to illustrate the importance of image phase as the cardinal information source. (image processing, amplitude, phase)

FFT_image( imageInGray )

IFFT_image(imageInGray_fft_amplitudeOnly, imageInGray_fft...

PSNR(A,B)

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updated 4 years ago

Amplitude Modulation/Demodulation in Matlab by Farhat Masood

Simulates the Amplitude Modulation and demodulation in Matlab (am, modulation, demodulation)

AM.m

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updated 4 years ago

Phase and amplitude hue plot by Iacopo Mochi

Plots a complex 2D array. The phase is shown as hue and the amplitude as brightness. (phase, hue, optics)

varargout=phplot(varargin)

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updated 5 years ago

Surrogate time series and fields by V. Venema

Algorithms to calculate 1D, 2D and 3D fields with your specified power spectrum and distribution. (surrogates, iaaft, iterative)

fourier_coeff_isotrop(x)

iaaft_loop_1d(fourierCoeff, sortedValues, initialisationS...

iaaft_loop_2d(coeff_2d,sorted_values)

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updated 5 years ago

Nyquist plot with logarithmic amplitudes by Trond Andresen

Logarithmically scaled Nyquist plot: viewing problems due to near-infinite amplitudes are avoided. (nyquist plot, logarithmic, amplitude)

nyqlog(sys)

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updated almost 6 years ago

(Revision) VPA peak amplitudes of non-stochastic physiological signal by Nicole Prause

The algorithm calculates the avg amplitude of each peak in VPA and bins. (vpa, amplitude, physiological)

FindVPAamp(vpa)

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updated 6 years ago

amplitude modulation by Howard Ho

analysis am (am, amplitude, modulation)

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updated almost 9 years ago

DFT on a specified frequency by Hongxue Cai

spectral analysis (amplitude & phase) of recorded time-series data (spectral analysis, discrete fourier tran..., amplitude)

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updated 9 years ago

Amplitude Modulation by Saurav R Tuladhar

Time and Frequency domain representation of AM. (dsb, dsbsc, ssb)

amtf.m

ssb.m

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updated 9 years ago

noisin by Hazem Baqaen

Estimates the amplitude, frequency, and DC offset of a sampled noisy sinusoid. (spectral analysis, amplitude, frequency)

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updated 11 years ago

SineFit by YangQuan Chen

Extract sine frequency/amplitude/phase of a noisy sinusoidal signal. (approximation, interpolation, ls fitting)

[Ahat,Theta,Omega,RMS]=sinefit(s0,Testim,t0,Ts)

[Ahat,Theta,RMS]=sinefit2(s0,omega,t0,Ts)

y=jomega(x,s0,t0,Ts)

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updated almost 12 years ago

Time-Domain to Magnitude and Phase by Marc Compere

Numerical inference of magnitude and phase information of streaming time domain input and output wav (spectral analysis, time domain, input)

[sys, x0]=sfuntf_mod(t,x,u,flag,...

averaging_spectrum_analyzer_testing

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updated almost 15 years ago

trempeak by Padraig O'Suilleabhain

An M-File for automated tremor analysis which returns the amplitude... (tools, mfile, amplitude)

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updated 15 years ago

inter_patt.m by Farhad Aslani

A simple animation of two wavelets which interfere. (time frequency, wavelets, wavelet)

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