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Listing of Communication in Scripts

  • SigPlot
  • License: Freeware
  • Price: 0.00
  • Rating

A high-quality interface for visualizing 1-D signals and analysis results. It can handle big files and it features a plugin-interface that allows visualization and editing of signal-related information..

  • Platform: Matlab, Scripts

Baseline Fit each column in "x". There did not seem to be a similar function in th file exchange. This routine is simply a wrapper for two Matlab routines, interp1 and ginput. Syntax: [ycorr,yfit] = bf(y,pts,avgpts,method,confirm); ycorr = bf(y); ycorr = bf(y,method); A baseline fit is interpolated from selected points and then applied to the data.

  • Platform: Matlab, Scripts

he zip file contains the demo shown on August 10, 2006 for the Webinar titled "Data Analysis with MATLAB Products". The demo requires Signal Processing and Statistics Toolboxes. It is recommended that the webinar is viewed prior to running the files contained in this download.

  • Platform: Matlab, Scripts

This demo shows a simple program on the video surveilance using MATLAB and some toolboxes. Features: 1. Run in 2 modes --> Monitoring and Playback 2. Users are allowed to change the threshold value and the snap counter for the decision on snapping the frame.

  • Platform: Matlab, Scripts

ne bit per sample is actually one bit per sample difference.

  • Platform: Matlab, Scripts

Additive Noise Channel / Additive Guassian Noise Channel is the simplest of all channels. File usage details: op_channel = additivenoise(input_signal) mathematical Model: s(t) input signal to channel (=sig_ip) n(t)additive random noise process added by channel (=noise_mat) a(t) attenutation factor , here it is taken as random(=att_fact) out put signal r(t) = a .

  • Platform: Matlab, Scripts
  • dlagf01
  • License: Freeware
  • Price: 0.00
  • Rating

Conversions of these routines into Matlab.From:http://pubs.usgs.gov/of/1995/ofr-95-0077/o...77.htmlAnderson, W.L, 1983, Fourier cosine and sine transforms using lagged convolutions in double-precision (Subprograms DLAGFO/DLAGF1): U.S. Geological Survey Open-File Report 83-320, 38 p.

  • Platform: Matlab, Scripts

This collection contains M-files intended for design of the Mass/Damper/Spring control system using the newly available functions from Robust Control Toolbox,version 3. The book also presents other 5 case studies including robust control systems design of a triple inverted pendulum, a hard disk drive, a distillation column, a rocket system and a flexible-link manipulator.

  • Platform: Matlab, Scripts

[psi gopt] = dfdesign_w_lmi(phi, w, d, n); DFDESIGN_W_LMI computes the H-infinity optimal inverse FIR filter of phi(z). The resulting filter minimizes the H-infinity norm of the error system E_w(z) = [z^(-d) - psi(z)phi(z)]w(z). The LMI method based on KYP lemma is used in this function.

  • Platform: Matlab, Scripts

This program calculates the beats per minute of of an ECG signal. The data file should be in 'csv' format. The output will be an averaged value, since normal ecg of a person is not always constant. There maybe drifts and variations. The percentage error for six seconds of the ecg will be 60/sampling frequency.

  • Publisher: Arun Kumar
  • Date: 18-06-2013
  • Size: 10 KB
  • Platform: Matlab, Scripts

The note explains in detail how to apply the Matlab 2-dimensional FFT for filtering of two-dimensional signals, e.g. images. It is shown how to connect the output from fft2 to the actual Fourier transform of the signal, and in particular how transfer functions of simple filters may be coded.

  • Platform: Matlab, Scripts

This package contrasts and compares the response of SAW correlators to user-specified BPSK codes based upon finger number, carrier frequency, temperature differences, frequency shifts, and substrate. Also included is a SAW filter design module and basic multistrip coupler design module.

  • Platform: Matlab, Scripts

Given a 8x8 data matrix, the program generates its corresponding DCT coefficients.

  • Publisher: Vittal
  • Date: 10-01-2013
  • Size: 10 KB
  • Platform: Matlab, Scripts

This very simple m-function computes cross spectrum, coherence and phase at the same time. The input parameters are equivalent to pwelch.n or csd.m in MATLAB and use csd.m in the singal toolbox. It's very simple but useful for engineers..

  • Platform: Matlab, Scripts
  • movave
  • License: Freeware
  • Price: 0.00
  • Rating

Very efficient moving average filter implemented using convolution. Usage: Smoothed Data = movave(Data Vector, Averaging Window Size in Samples) See also: slidefilter.m by the same author.

  • Platform: Matlab, Scripts

This ZIP file contains functions that permits the path loss calculation, using one of the two models of COST231: - Hata model with COST231 extension to the working frequency; - COST231-Walfish/Ikegami model.

  • Publisher: Joao Carmo
  • Date: 01-02-2013
  • Size: 10 KB
  • Platform: Matlab, Scripts

Arterial blood pressure waveforms contain rich pathophysiological information; hence receive much attention in cardiovascular health monitoring. To assist computerized analysis, an automatic delineator was proposed for the fiducial points of arterial blood pressure waveforms, namely their onsets, systolic peaks and dicrotic notches.

  • Publisher: ABing
  • Date: 08-03-2013
  • Size: 5130 KB
  • Platform: Matlab, Scripts

This m-fine plots the transmitted and received signal of simple DS-SS modulation.This uses BPSK modulation for data.

  • Platform: Matlab, Scripts

Calculates the average log-spectral distance between CLEAN and NOISY signals. Has the option of calculating this distance for speech active periods only. Also you can select a frequency range to study the distance in a sub-band..

  • Platform: Matlab, Scripts

Weighted Median Filter: It is same as median filter, only difference is the mask is not empty. It will having some weight (or values) and averaged. The steps to perform weighted median filtering are as follows: 1) Assume a 3x3 weighted mask. 2) Place the mask at the left hand corner.

  • Platform: Matlab, Scripts

Double Sideband Amplitude Modulation is a basic technique http://en.wikipedia.org/wiki/Amplitude_modulation#Example:_double-sideband_AM ://http://en.wikipedia.org/wiki/Amplit...le-sideband_AM.

  • Platform: Matlab, Scripts

This m-file generate Gold Sequences of length 31 by taking the modulo-2 sum of two m-sequence generators..

  • Platform: Matlab, Scripts

Compute the discrete Fourier transform at specified frequencies, not using fft. Why one may need this? (1) MATLAB fft function computes the amplitude of signals only (no phase). (2) Once having the recorded time-series data, one often uses fft to do the spectral analysis.

  • Platform: Matlab, Scripts

Modulate with matlab & simulink Digital signal (QPSK,ASK,FSK,QAM...) Analog signal (AM,FM,PM).

  • Platform: Matlab, Scripts
  • plotfit
  • License: Freeware
  • Price: 0.00
  • Rating

[coef, RSquared]=plotfit(x,y,polyorder) A simple function that accepts x,y data pairs in in the vectors "x" and "y", fits it to a polynomial of order "polyorder", plots the data and the fit, and displays the fit coefficients and the goodness-of-fit measure R-squared in the upper left corner of the graph.

  • Platform: Matlab, Scripts

There are two of them. One is reading mini-Seed file with STEIN-1 compression while second with STEIN-2. I guess that somebody badly needs pure m-script (no mex-file, no libseed library etc.) so he/she can easily modified. I am quite sure that m-script is far from complete but it works for my needs.

  • Platform: Matlab, Scripts

This function is written to understand and/or explain an fft algorithm and usage of radix2 procedure. This function take the signal which you want to find FFT, for m bit you can also call the function without entering a signal or number of points, because there is default values for y and m which are; y = sin(2*pi*50*t)+sin(2*pi*120*t); m=3; you can see the steps of order reversing used as built-in function but non others.

  • Platform: Matlab, Scripts

This project allows someone to track a GPS enabled cell phone using Google maps.For this project it is used a Motorola i355 cell phone on the Sprint/Nextel network. You need to have a data plan so that you can make updates to your website from the cellphone.

  • Publisher: Nick Fox
  • Date: 19-04-2013
  • Size: 205 KB
  • Platform: PHP, Scripts

In this program it is shown that how signal are multiplexed and how multiplexed look like. It is good for teaching and get feel of multiplexing. It can also observed that requirement for multiplexing more signals is the high symbol rate..

  • Platform: Matlab, Scripts

By varying Modulation Index SDM and DDM can be varied and tested. Normally used in ILS (Instrument Landing System) applications..

  • Platform: Matlab, Scripts

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