The following Matlab project contains the source code and Matlab examples used for a wideband spectrum sensing method for cognitive radio using sub nyquist sampling. simulation of the following paper: A Wideband Spectrum Sensing Method for Cognitive Radio using Sub-Nyquist Sampling IEEE DSP/SPE 2011

The following Matlab project contains the source code and Matlab examples used for routh array. You can enter the coefficients of a given characteristic equation to check the stability of the system.

The following Matlab project contains the source code and Matlab examples used for performs sinc interpolation, and also resampling of a intput waveform . %Interpolating and resampling function, where: % I = interpolation rate % D = resampling location, number of samples to shift % x(n) = input waveform % y(n*(1/I) + D) = output waveform % --includes option smoothing with an exponential % decaying function to reduce Gibbs ringing.

The following Matlab project contains the source code and Matlab examples used for scripts to show how to perform order analysis. (campbell, angular domain resampling etc.) . Use the script to get some hints how to perform order tracking and Campbell plots like used in sound and vibration testing of rotating machinery.

The following Matlab project contains the source code and Matlab examples used for wavelets based denoising. This program demonstrate abilty of wavelets to denoise audio data as well its effectiveness on different type of signals at different SNR. I have tested this program on windows xp and MATLAB 6.1 it works perfectly

The following Matlab project contains the source code and Matlab examples used for the even length savitzky golay filter. The even-length Savitzky-Golay filter (i.

The following Matlab project contains the source code and Matlab examples used for image interpolation. This function performs the interpolation of an image filtering it with the specified filter coefficients which are given as input. Any filter can be used as input.

The following Matlab project contains the source code and Matlab examples used for estimation of parameters and eigenmodes of multivariate autoregressive models. . ARfit is a collection of Matlab modules for * estimating parameters of multivariate autoregressive (AR) models, * diagnostic checking of fitted AR models, and * analyzing eigenmodes of fitted AR models.

The following Matlab project contains the source code and Matlab examples used for power spectral density. This script calculates the PSD of a time history. It prompts the user for parameters related to the spectral resolution and the number of statistical-degrees-of-freedom.

The following Matlab project contains the source code and Matlab examples used for digital beamforming. THIS FUNCTION PROVIDES A USER A UTILITY TO PLOT THE BEAMPATTERN OF LINEAR ISOTROPIC ARRAYS BY PROVIDING THE INTER-ELEMENT DISTANCES,CORRESPONDING WEIGHTINGS AND/OR STERING DIRECTION OF THE BEAM.

The following Matlab project contains the source code and Matlab examples used for 7 band parametric equalizer. 4 bands use peaking filters, 3 bandes can be choosen as peaking, sheleving, highpass or lowpass filters

The following Matlab project contains the source code and Matlab examples used for exp.sweep and impulse response. [sweep,invsweep]=expsweep(T,f1,f2,silence,fs) generate sine sweep with exponential frequency dependent energy decay over time and time/frequency inverse for impulse response calculation inputs: T = sweep duration in seconds f1 = start frequency in Hz f2 = end frequency in Hz silence = silence before and after sweep in seconds (default: 0) fs = sampling frequency (default: 44100) [h,h_dist]=sweepIR(rec,Nimp,T,f1,f2,offset,fs)

The following Matlab project contains the source code and Matlab examples used for hilbert huang transform. The function plot_hht is a realization of the Hilbert-Huang transform (HHT).

The following Matlab project contains the source code and Matlab examples used for routh hurwitz criteria using user defined function. RA=ROUTH(R,EPSILON) returns the symbolic Routh array RA for polynomial.

The following Matlab project contains the source code and Matlab examples used for mutliple feedback filter equalizer generator. MFFEQGen was developed to quickly design audio equalizers using the multiple feedback typology.

The following Matlab project contains the source code and Matlab examples used for non local means filter. Implementation of the Non-Local Means Filter proposed by Buades et al. for robust image denoising. typical usage: fima=nlmeans(ima,5,2,sigma); being sigma the noise standard deviation

The following Matlab project contains the source code and Matlab examples used for bode plot with asymptotes. The function asymp() corresponds to bode(), but it also plots asymptotes for the magnitude and phase graphs.

The following Matlab project contains the source code and Matlab examples used for empirical mode decomposition. The Empirical Mode Decomposition is a technique to decompose a given signal into a set of elemental signals called Intrinsic Mode Functions.

The following Matlab project contains the source code and Matlab examples used for this function finds the percent os, ts, tr and tp for a step response. . This function finds the percent overshoot (OS), settling time (ts), rise time (tr) and time to peak (tp) for a step response.

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.

The following Matlab project contains the source code and Matlab examples used for nyquist plot with logarithmic amplitudes. A polar diagram where the amplitude of the open-loop transfer function h0 is on a logarithmic scale, is presented.

The following Matlab project contains the source code and Matlab examples used for blockshrink denoising. This package contains the Matlab codes for denoisinig greyscale images using BlockShrink[1] implemented with a decimated wavelet transform.

The following Matlab project contains the source code and Matlab examples used for this program plots spectrograms (intensities versus frequencies, plotted against time). . This program plots spectrograms (vertical slices of intensities versus frequencies, with slices plotted against time).

The following Matlab project contains the source code and Matlab examples used for differential encoding decoding. Basic Differential Encoding/Decoding of input vector of numeric values diffencodeve.m : Differential Encoding function diffdecodevec.m : Differential Decoding function diffencodevecTest.m : Test Program for Differential Encoding/Decoding.