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Listing of Communication in Scripts

Only in very simple situations can we describe the correlation between two time series as a single number. Often it varies both as a function of time, and of wavelength. Datasets may be uncorrelated on short timescales due to noise, but strongly correlated on larger wavelengths (eg annual).

  • Platform: Matlab, Scripts

Functions are described briefly below: 1) er_add: Add given tranfer functions. 2) er_blaschke: Perform desired frequency transformation of digital filter using Blaschke products. 3) er_conv: Multiply transfer functions. 4) er_fconv: Convolve transfer functions in frequency domain.

  • Platform: Matlab, Scripts

SC - Sparse Classifier FSC - Fast Sparse Classifier GSC - Group Sparse Classifier FGSC - Fast Group Sparse Classifier NSC - Nearest Subspace Classifier Requires SPGL1 - http://www.cs.ubc.ca/labs/scl/spgl1/ Requires Sparsify - http://www.see.ed.ac.uk/~tblumens/sparsify/sparsify.

  • Platform: Matlab, Scripts

IMAGGS(NUM,DEN) Computation of Im[G(s)]=0 of a LTI system with transfer function defined by its NUM, DEN coefficients. Examples used are form "Computation of Stabilizing PI and PID Controllers" by Nusret Tan, Ibrahim Kaya and Dereck P. Atherton. Method is from "Fast calculation of stabilizing PID controllers" by M.

  • Platform: Matlab, Scripts

PITAN(NUM,DEN,W) plots the stability boundary locus L(KP,KI,W) in the (KP,KI)-plane for an LTI system with transfer function defined by its NUM, DEN coefficients and driven by a PI controller with transfer function, C(s)=kp+(ki/s). Frequency (W) gridding become important.

  • Platform: Matlab, Scripts

dftmat = DFT matrix of order N x N; N = Order of the matrix computes the DFT matrix of orer N x N; DFT matrix is a n x n matrix defined as Wn=[(Wn)^km] Wn=exp(-j*2*pi/n) Reference: Multirate Systems and Filter banks by P.P Vaidyanathan Pearson Education 1993 appendix A.

  • Platform: Matlab, Scripts

This a very simple function that produces a condensed, approximate version of the time-series signal y, with each group of n adjacent points in y replaced by its average. You can use this to condense over-sampled signals so that subsequent processing will be easier and faster.

  • Platform: Matlab, Scripts

If you pass in 2 vectors it returns the unnormalized distance between the vectors, the accumulated distance between them, the length of the warping path (the normalizing factor), the warping path points and both warped input vectors. You can plot the results too if select the pflag=1.

  • Platform: Matlab, Scripts

This article consists of a brief discussion of the energy density over time or frequency that is obtained with the wavelet transform. Also an efficient algorithm is suggested to calculate the continuous transform with the Morlet wavelet. The energy values of the Wavelet transform are compared with the power spectrum of the Fourier transform.

  • Publisher: Richard
  • Date: 08-01-2013
  • Size: 10 KB
  • Platform: Matlab, Scripts

A Simulink model that generates and displays a simple cosine wave. The model computes the cosine function using the continuous phase method, which is based on Euler's formula for the complex exponential. The cosine generator is provided as a subsystem, which the user can copy-and-paste into other models.

  • Platform: Matlab, Scripts

The main program is Main_sound_and_vibs.m. Up to 100 metrics are for each of sound, hand arm vibrations, whole body vibrations, and motion sickness. Main_sound_and_vibs calls the primary depedent function "Continuous_Sound_and_Vibrations_Analysis" which contains the switch statement controlling the data flow.

  • Platform: Matlab, Scripts

This collection of files is an extension of the wavelet software package originally written by Torrence and Compo (http://paos.colorado.edu/research/wavelets/software.html) The main functions are: 1. contwt.m: (continuous wavelet transform). This is essentially Torrence and Compo's wavelet.

  • Platform: Matlab, Scripts

As I could find no built-in function nor reliable contribution to achieve that, I had no choice but to write my own, leveraging the GregorianCalendar Java class. Usage is quite simple: targetDST = TimezoneConvert( dn, fromTimezone, toTimezone ) The datenum dn corresponds to the datetime you want to convert.

  • 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

UTC time (universal time convention) is used in ANSI-C standard for defining time. This is measured in seconds since 1970, at the Prime Meridian. The UTC2Datenum_array function takes a M x 1 array of UTC time values and converts it to a M x 1 array of Matlab serial Time values.

  • Publisher: Mark Evans
  • Date: 13-01-2013
  • Size: 10 KB
  • Platform: Matlab, Scripts

This zip file contains two functions: STR2BIN converts an ASCII text string to a vector of binary values, and BIN2STR converts a vector of binary values back to an ASCII text string..

  • Platform: Matlab, Scripts

CONV_MTX Convolution matrix. If 'x' is a column vector of length 'nx', then conv_mtx(x,nh) gives a toeplitz matrix 'X' of size (nx+nh-1) times (nh). 'nh' is the length of the column vector 'h' with which 'x' is convolved. Thus finally 'X*h' is same as conv(x,h).

  • Platform: Matlab, Scripts

to generate random 100 input and 100 out put using matlab and vhdl.

  • Publisher: mirza baig
  • Date: 13-06-2013
  • Size: 10 KB
  • Platform: Matlab, Scripts

A GENERALAZED CONVOLUTION COMPUTING CODE IN MATLAB WITHOUT USING MATLAB BUILTIN FUNCTION conv(x,h).

  • Platform: Matlab, Scripts

Convolutional Encoder of Code Rate=1/2, with 3 Memory Elements and a corresponding Hard Decision Viterbi Decoder.

  • Platform: Matlab, Scripts

In this project, we seek to minimize the gap-to-capacity (given by Shannon's theoretical limit) of a rate 1/3 code (also can be modified for 1/N). This is done via a convolutional encoder/decoder for varying memory elements as well for both soft and hard decoding scheme.

  • Platform: Matlab, Scripts

This program is a GUI for graphically demonstrating the convolution process. The user chooses two functions to convolve. The two functions are displayed, along with the convolution product and integral. The process can be animated if desired..

  • Platform: Matlab, Scripts

Fresnel sine and cosine integrals should be done with quadl matlab function..

  • 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

The parameter of costas loop is a typical value.

  • Platform: Matlab, Scripts

COUNT OF COINS USING IMAGE PROCESSING TOOLBOX..

  • Platform: Matlab, Scripts

This a good program to start with signal processing in matlab.This gives you basic idea about covolution algorithm..

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

[cg, psg] = crandn(rgau,m) Generate correlated Gaussian sequences by Fourier synthesis. Input parameters: rgau = correlation function - length n/2 m = number of realisations Output: cg = m x n matrix containing m sequences of n correlated variates from a zero mean, unit variance normal distribution psg = input power spectrum (Fourier transform of correlation function) Note: Since this uses the fast Fourier transform, it will be fastest if n is a power of 2.

  • Platform: Matlab, Scripts

The standard polynomials are not used to make it more flexible. User provide data stream and generator polynomial..

  • Platform: Matlab, Scripts

A common task in Simulink is to test a certain component of a larger model. With large-scale modeling, such componentization is often accomplished through the use of model reference. These large models also often use bus signals to organize large amounts of signals in the model.

  • Platform: Matlab, Scripts

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