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Gaussian

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Added: September 02, 2013 | Visits: 253

BER Curve for QPSK in Gaussian Environment This program calculates BER curve against SNR for QPSK Modulation in Gaussian Environment.It calculates 100 errors for for each SNR value before calculating BER. This gives a good approximation of BER.I hope this will help students alot.Please feel free to contact me should anyone has any queries. Platforms: Matlab

License: Freeware Size: 10 KB Download (21): BER Curve for QPSK in Gaussian Environment Download

Added: April 29, 2013 | Visits: 287

BER Curve for BPSK in Gaussian Environmen Calculate and plot BER curve against SNR for BPSK Modulation in Gaussian Environment.It calculates 100 errors to Calculate BER for every SNR value to ensure better approximation.I hope that this help students of signal processing and communications... Platforms: Matlab

License: Freeware Size: 10 KB Download (20): BER Curve for BPSK in Gaussian Environmen Download

Added: March 28, 2013 | Visits: 299

Fast Gaussian Filtering A recursive implementation of the Gaussian filter. This implementation yields an infinite impulse response filter that has 6 MADDs per dimension independent of the value of sigma in the Gaussian kernel.Recursive Gabor filtering for 1D and 2D signals. For more information please... Platforms: Matlab

License: Freeware Size: 10 KB Download (20): Fast Gaussian Filtering Download

Added: April 11, 2013 | Visits: 264

Gaussian window in 3 dimensions G3 = gauss3D(sz_X, sz_Y, sz_Z, a, prec);returns a 3 dimensional matrix being a gaussian bell curve where the width in the (x/y/z)-dimension is proportional to 1/a(1), 1/a(2) and 1/a(3), respectively. "prec" is the data precision.Default is a=[2.5 2.5 2.5] and prec='double'Examples:Cubic-shaped... Platforms: Matlab

License: Freeware Size: 10 KB Download (20): Gaussian window in 3 dimensions Download

Added: September 16, 2013 | Visits: 218

BER Curve for QAM_16 in Gaussian Environment This script calculates BER for a numebr of SNR values in gaussian environment for QAM 16 Modulation.It calculates 100 errors for each BER measuremnet for better results.I hope this will be helpful for students of signal processing and communications alike. Platforms: Matlab

License: Freeware Size: 10 KB Download (18): BER Curve for QAM_16 in Gaussian Environment Download

Added: August 21, 2013 | Visits: 246

Gaussian Wave Packet: Step Scattering The Gaussian Wave Packet: Step Scattering model simulates the time evolution of a free Gaussian wave packet in position space when it is incident on a potential energy step. The position-space wave functions are depicted using three colors on the graph: black which depicts the absolute square of... Platforms: Mac

License: Freeware Size: 824.32 KB Download (17): Gaussian Wave Packet: Step Scattering Download

Released: November 19, 2012  |  Added: November 19, 2012 | Visits: 179

Gaussian ESI Automated Creator A simple software to extract useful data from gaussian log files. Platforms: Windows, Mac, Linux

License: Freeware Size: 310 KB Download (27): Gaussian ESI Automated Creator Download

Released: December 16, 2012  |  Added: December 16, 2012 | Visits: 243

Gaussian Output Tools Gaussian Output Tools is a package of simple scripts to extract data from Gaussian output files. Platforms: Windows, Mac, Linux

License: Freeware Size: 2.09 KB Download (27): Gaussian Output Tools Download

Added: May 10, 2013 | Visits: 237

Gabedit Gabedit is a Graphical User Interface to Gamess-US, Gaussian, Molcas, Molpro, MPQC and Q-Chem computational chemistry packages.Gabedit includes graphical facilities for generating keywords and options, molecule specifications and their input sections for even the most advanced calculation... Platforms: *nix, C/C++, BSD

License: Freeware Download (31): Gabedit Download

Added: April 08, 2013 | Visits: 311

Coherent QPSK simulation and BER vs. SNR curve This program performs a Monte Carlo simulation of a coherent QPSK communication system and plot the error probability performance over additive whit Gaussian noise channel. The detection is based on correlation metric. Simulation is performed for 10,000 bits and measurements are made accordingly. Platforms: Matlab

License: Freeware Size: 10 KB Download (18): Coherent QPSK simulation and BER vs. SNR curve Download

Added: July 06, 2013 | Visits: 333

1D Gaussian lowpass filter This function returns coefficients of Gaussian lowpass filter.Advantages of Gaussian filter: no ringing or overshoot in time domain.Diasadvantage: slow rolloff in frequency domain.Pass SR=sampling rate, fco=cutoff freq, both in Hz, to the function.Coefficients for FIR filter of length L (L always... Platforms: Matlab

License: Freeware Size: 10 KB Download (21): 1D Gaussian lowpass filter Download

Added: June 19, 2013 | Visits: 327

Gaussian Mixture Model The GMM returns the cluster centroid and cluster variances for a family of points if the number of clusters are predefined. The centroid and variance can then be passed to a Gaussian pdf to compute the similarity of a input query point with reference to given cluster. Platforms: Matlab

License: Freeware Size: 10 KB Download (18): Gaussian Mixture Model Download

Added: April 15, 2013 | Visits: 300

Kernel Ridge Regression The Gaussian Kernel can be changed to any desired kernel. However such a change will not dramatically improve results. This is a variant of ridge regression using the kernel trick (Mercers Theorem). Platforms: Matlab

License: Freeware Size: 10 KB Download (22): Kernel Ridge Regression Download

Toolbox for log-spectral magnitude MMSE estimators under super-Gaussian densities Toolbox for log-spectral magnitude MMSE estimators under super-Gaussian densities.The toolbox can also be downloaded from: http://ict.ewi.tudelft.nl/~richard/log_spe...per_gaussV1.rarThe matlab files enclosed in this toolbox can be used to tabulate gain functions for log-spectral magnitude MMSE... Platforms: Matlab


Added: May 10, 2013 | Visits: 297

Number of sinusoids Estimator Fast Algorithm estimating the number of sinusoids in a white Gaussian noise. This algorithm use a sub-space method based on chi-square statistics of eigen values of the Autocorrelation Matrix.Example :clear, close all hiddenN = 512;L_vrai = 4;fe = 2000;F = (0:(fe/2)/(N/2-1):(fe/2));snr = [-10 -10... Platforms: Matlab

License: Freeware Size: 10 KB Download (19): Number of sinusoids Estimator Download

Added: July 29, 2013 | Visits: 253

Gaussian Mixture Modeling GUI (GMM DEMO) The Expectation-Maximization algorithm (EM) is widely used to find the parameters of a mixture of Gaussian probability density functions (pdfs) or briefly Gaussian components that fits the sample measurement vectors in maximum likelihood sense [1]. In our work, the expectation-maximization (EM)... Platforms: Matlab

License: Freeware Size: 573.44 KB Download (18): Gaussian Mixture Modeling GUI (GMM DEMO) Download

Added: July 25, 2013 | Visits: 277

Finite Difference Beam Propagation Method Simulation of a gaussian pulse propagated in free space through 1000 um, using finite differences.Just run the script and you'll get a surface which is made up of the pulse propagated at 1 um steps. Platforms: Matlab

License: Freeware Size: 10 KB Download (21): Finite Difference Beam Propagation Method Download

Added: August 27, 2013 | Visits: 237

Fabry-Perot Simulator This program simulates Gaussian beam propagation through a Fabry-Perot interferometer with adjustable error angles. The result is the intensity behind the cavity at a screen perpendicular to the propagation direction. It contains a GUI for setting the parameters and viewing the result. Platforms: Matlab

License: Freeware Size: 10 KB Download (18): Fabry-Perot Simulator Download

Matlab files of the book: Mathematical Modelling for Earth Sciences Matlab files include Gaussian numerical quadrature, Newton's method for finding roots, finite element method for 1D wave equation, and pattern formation (KPP anda system of two coupled PDEs). Platforms: Matlab

License: Freeware Size: 624.64 KB Download (23): Matlab files of the book: Mathematical Modelling for Earth Sciences Download

Multivariate Gaussian Mixture Model Optimization by Cross Entropy Fit a multivariate gaussian mixture by a cross-entropy method. Cross-Entropy is a powerfull tool to achieve stochastic multi-extremum optimization.Please visit http://iew3.technion.ac.il/CE/ for more informationsi) Please compile mex-files by the mexme_ce_gauss.m (if compiler is not setup, run... Platforms: Matlab

License: Freeware Size: 30.72 KB Download (21): Multivariate Gaussian Mixture Model Optimization by Cross Entropy Download

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