Signal

The input of the filter is a armonic signal which is sum of two sinusoidal component. The frequency behavior of the filter is chose to attenuate the high spectral component of the input signal with 20 dB.

Click on any point in the signal to find the FFT of the surrounding portion of given length.Provide the sampling frequency, window length and load the signal. Click on any point on the signal. Program creates a window of given length on either side of the point and calculates and displays FFT.

Calculates windowed (over- and non-overlapping) RMS of a signal using the specified windowlength y = rms(signal, windowlength, overlap, zeropad) signal is a 1-D vector windowlength is an integer length of the RMS window in samples overlap is the number of samples to overlap adjacent windows...


Platforms: Matlab

Functions accompanying MATLAB News & Notes article "Fixed-point Signal Processing: Getting Started" by Darel A. Linebarger and Thomas A. Bryan, 2004. The functions include an FIR filter in M that can be run in fixed-point and floating-point.


Platforms: Matlab

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. MATLAB only supports...


Platforms: Matlab

random_band is the main program and it outputs a test signal which has a constant level. The instanatenous frequency varies randomly within the specified Nth octave band range.The program outputs three plots: time record of the instantaneous frequency, time record of the instantaneous level, and...


Platforms: Matlab

%DVBS2Constellation Signal Constellations taken from ETSI EN 302 307% [CONSTELLATION, BITMAPPING] = DVBS2Constellation(MODSCHEME,GAMMA)% returns the constellation points and the bit mapping specified in the DVB-S2% Standard ETSI EN 302 307. The output vector CONSTELLATION contains the%...


Platforms: Matlab

An interactive, simple Swing-based demo of Signal Detection Theory in psychology. Built for Cornell University's Department of Psychology at the request of Dr James Cutting.


Platforms: Mac

This could be very useful model when used in signal processing. I have implemented this to filter the disturbances in my ADC signals in my programming and it works good.


Platforms: Matlab

DSP education is being challenged to move students beyond theory to DSP implementations. Dr. Mark A. Yoder, professor of electrical and computer engineering at Rose-Hulman Institute of Technology, addresses this need with multimedia signal processing labs in which students use Simulink and...


Platforms: Matlab

Helps measuring the exact frequency of a signal within a range, by means of finding the maximum of the product of the signal with a sinusoid.Speacially useful when dealing with real-world data.As recently published on my blog: http://loluengo.blogspot.com


Platforms: Matlab

A figure for band pass decimation with desired signal bandwidth B, where Fi_B is anolog frequence point corresponding to B, Fs_B is sample rate corresponding to B.The color parts are forbidden areas.


Platforms: Matlab

This function searches the interior of a signal in an attempt to find a segment that may be used in order to make the signal quasi-periodic. This can be used to reduce the influence of end effects on analyses such as the Hilbert Transform, the Wavelet Transform, the Hilbert-Huang Transform and...


Platforms: Matlab

Split the signal S(SPACE,TIME) into its downward/upward space propagating and stationnary components via a 2D Fourier decomposition. S is a (SPACE,TIME) matrix. We eventually proceed to a space and/or time filtering. DT,DX are temporal and space step. PERIOD=[Tmin Tmax] and WAVELENGTH=[Xmin Xmax]...


Platforms: Matlab

This example using Matlab commands to access Simulink Signal properties to easily create a batch file that can log almost any Simulink signals. This is very useful for batch testing when the parameters in the Simulink model are set in a m-file. It helps to reduce the use of Save-To-Workspace blocks.


Platforms: Matlab

MISO_FIRWIENER(N, X, Y) computes the optimal FIR Wiener filter of order N, given any number of (stationary) random input signals as the columns of matrix X, and one output signal in column vector Y.Requires BLOCK_LEVISON.M, also on the file exchange.By Keenan Pepper; uploaded with permission.


Platforms: Matlab

Takes two signal vectors as inputs and produces a mixture signal at a desired SNR level (dB). Includes various examples.


Platforms: Matlab

%SIGMAPPER Mapper% H = SIGMAPPER(CONSTELLATION, MAPPING) constructs a SIGMAPPER object H to% map a bitstream to the points of a signal constellation. The signal% constellation is specified by the vector CONSTELLATION which contains% the real or complex signal points. The mapping is done according...


Platforms: Matlab

Through a simple GUI, the user can select a signal by entering its name and its new name.The script can take inputs as simple strings, or Excel files.In the Excel file, there should be the names of signals to be replaced and the name to be replaced with.


Platforms: Matlab

FAUST (Functional Audio Stream) is a functional programming language specifically designed for real-time signal processing and synthesis. FAUST targets high-performance signal processing applications and audio plug-ins for a variety of platforms and standards. The Faust compiler translates DSP...


Platforms: Windows, Mac, BSD, Linux