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Listing of Communication in 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

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

  • Platform: Matlab, Scripts

Uses fft to calculate the circular cross correlation of two periodic signal vectors.This is equivalent to xc(k)=sum(u1.*circshift(u2,k)), but much faster (on the order of 500 times faster for a 1024 point signal). The package also includes two examples.

  • Platform: Matlab, Scripts

the program simulates the scattering of 1GHz electromagnetic wave by the cylindrical object. the program is written for 2D simulation, with suitable modification, the program can be implemented to 3D problem.

  • Platform: Matlab, Scripts

MATLAB is a software environment and programming language with over 1,000,000 users and is used to generate arbitrary and standard waveforms, configure and control instruments, build automated test applications, and analyze and visualize data from other instruments.

  • Platform: Matlab, Scripts

This program aids in helping one to understand the difference between KF,EKF AND UKF..

  • Platform: Matlab, Scripts

This program is simple and fast that is used to convert from parallel to serial you can use it as a function parallel2series(information);.

  • Platform: Matlab, Scripts

A = rc2lpc(K): K is vector of reflection coefficients: K = [k1, k2, ..., kp]. A is vector of linear prediction coefficients: A = [1, a_p(1), a_p(2),..., a_p(p)] If the second input argument is passed, i.e., A = rc2lpc(K,'matrix'), then A is the matrix: [1, 0, 0, 0,.

  • Platform: Matlab, Scripts

gmsk modulation of numerical data generated by a random source, the output of the modulator give two signals, only for demonstration, the first is gmsk signal and the other is gaussien frequency pulse shape.

  • Publisher: lilo lilo
  • Date: 11-04-2013
  • Size: 10 KB
  • Platform: Matlab, Scripts

This archive contains the script files of the main program, "MMCE.m", and of 11 function files, used in the solved exercises of the book. They work with Matlab R2007b through R2009b It contains also three simulation diagrams to be used with Simulink, in two versions (for the two versions of Matlab mentioned above).

  • Platform: Matlab, Scripts

The performance of the level set segmentation is subject to appropriate initialization and optimal configuration of controlling parameters, which require substantial manual intervention. A new fuzzy level set algorithm is proposed in this paper to facilitate medical image segmentation.

  • Publisher: ABing
  • Date: 06-03-2013
  • Size: 1055 KB
  • Platform: Matlab, Scripts

Companion Software for the Signals & Systems: Continuous and Discrete, 4e book by Rodger E. Ziemer & William H. Tranter.

  • Platform: Matlab, Scripts

function [f,a] = iqtofreqplot(x,freq) Finds the angle and frequency of IQs it then plots the angle and frequency as a function of time IQTOFREQPLOT('complex data', 'rate at which received I and Q per second') if you choose not to put in a frequency rate use IQTOFREQPLOT('IQ') please note that the value of your frequency may not be correct if you do not input FREQ.

  • Platform: Matlab, Scripts

function y = getiq(x,freq) this takes in the frequencies X that were received at a rate of FREQ and gives you a complex value which is I and Q - this is used when you have frequency X changing and the phase is cumulative - meaning it does not start each new frequency at the same spot OR function y = getiq(data,freq,fc) this takes in frequencies X that were received at a rate of FREQ and gives you a complex value which is I and Q based around a center frequency FC this is used when you have frequency X changing and the phase is cumulative - meaning it does not start each new frequency at the same spot.

  • Platform: Matlab, Scripts

The Code describes the way to modulate or demodulate a signal shift in its phase..

  • Platform: Matlab, Scripts

ButterParam - Fast parameters for a digital Butterworth filter The calculation of filter parameters with BUTTER is expensive. Therefore ButterParam stores calculated parameters in a lookup-table to accelerate repeated calls with the same input. Example: x = rand(10000, 1); % test data [B, A] = butter(3, 0.

  • Publisher: Jan Simon
  • Date: 14-05-2013
  • Size: 10 KB
  • Platform: Matlab, Scripts

The program contructs column-weight three girth-eight QC-LPDC codes given row-weight and sub-matrix size. row-weights and sub-matrices sizes are variable..

  • Platform: Matlab, Scripts

If the input is a bandlimited signal containing components at DC - 0.5Fs where Fs is the sample rate, SINCRESAMPLE will return the signal that would have been seen with a higher sampling rate (and the same filter settings). The algorithm depends on the fact that the bandlimited signal is completely defined when sampling at Fs.

  • Platform: Matlab, Scripts

WebLogger is a php-based application designed to help Amateur Radio operators log radio traffic. WebLogger targets traffic related to community and public service such as skywarn, assisting in natural disasters and other emergency situations. WebLogger is written in PHP and uses MySQL on the back end to store information.

  • Platform: PHP, Scripts

Using information from Matlab central, Robot Grrl, and the Arduino forums, four files (two .m and two sketches) demonstrate two way communications between Matlab and the Arduino. The first set of files, serialTest1, demonstrates arduino input with Matlab tic/toc timing information added, and the second set of files, serialTest2, uses clock information from the arduino.

  • Platform: Matlab, Scripts

The gradient function in Matlab allows you to compute the slope of a curve along its entire length. But if your curve is a noisy one, then gradient will also be noisy. In this event one might desire to fit a moderately low order polynomial regression model in a sliding window, then differentiate that model.

  • Platform: Matlab, Scripts

This is a very simple function to find the local maximum in any dimensional array. As simple as it is it still gives nice results. I use the imdilate() function as a maximum operation and then compare the data to the result. The function receives three parameters: the data, a vector defining the minimum distance between peaks in each of the data dimensions.

  • Platform: Matlab, Scripts

Nonlinearity detection scheme based on zeroing the initial time response over various intervals and computing the FFT of each, as described in: M. S. Allen and R. L. Mayes, "Estimating the Degree of Nonlinearity in Transient Responses with Zeroed Early-Time Fast Fourier Transforms," in International Modal Analysis Conference Orlando, Florida, 2009.

  • Publisher: Matt Allen
  • Date: 26-06-2013
  • Size: 922 KB
  • Platform: Matlab, Scripts
  • zhelper
  • License: Freeware
  • Price: 0.00
  • Rating

This function simplifies partial fraction expansion and outputs a single, easy-to-read function, rather than residue. To use this program enter the following in the command window: syms z g = (z^2-9)/(z^2-1); zhelper(g);.

  • Publisher: Joe
  • Date: 20-04-2013
  • Size: 10 KB
  • Platform: Matlab, Scripts

Usage: [means,c]=KNMCluster(k,indata) KNMCluster is an implementation of the K-means clustering algorithm. It takes inputs k and indata. k is the initial guess of the number of clusters. indata is the aggregate data that you want to put into clusters.

  • Platform: Matlab, Scripts

The AWGN Channel Block in the Communications Blockset lets you specify SNR in several ways, including Eb/No. Sometimes people want to use a more itemized way of specifying the SNR, like the itemization found in a link budget. These two models show how to create equivalent implementations of a communication channel, one using the AWGN Channel block and the other using specifications for Transmitter Gain, Antenna Gain, Path Loss, and Receiver Noise Temperature.

  • Platform: Matlab, Scripts

This tool (GUI) is for MIDI transcription of music audio. It works only for monophonic music audio recordings. It has been tested on classical guitar recordings. Be sure that the recording is clean. This is not a professional tool, use it your own risk.

  • Platform: Matlab, Scripts

With this Fourier Calculator a periodic signal can be analyzed and represented in figures with harmonics. The signals can easily be produced in the model..

  • Platform: Matlab, Scripts

This packet is a IS-95 baseband simulation for 1 data channel of 9.6 KBps rate. The simulation is written for static channel and AWGN noise. The packet include: 1) Packet Builder (Viterbi Encoding, Interleaver, PN generation) 2) Modulator (RRC filter) 3) Demodulator (Matched Filter, RAKE receiver) 4) Receiver (HD or SD) (Deinterleaver, Viterbi Decoder).

  • Platform: Matlab, Scripts

This is an old program (1.999) that I have written for understanding radiation patterns of antennas. Basically I was looking for the relationship between interference diagram (Fourier transform of ilumination, usually called Array Factor) and 3D radiation pattern of the Array.

  • Platform: Matlab, Scripts

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