Convolution

In this project, we seek to minimize the gap-to-capacity (given by Shannond-deOaos 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. We show that the...

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

The Matlab code in this folder implements 1D-3D NUFFTs via fast Gaussian gridding. The convolution loops are written as C programs to be compiled as mex files from the Matlab command prompt. Further mathematical details about the code can be found in L. Greengard and J. Lee, "Accelerating the...


Platforms: Matlab

The zipped file contains 18 m files implementing all experiments in the course EC1302 DSP Lab under Anna University Chennai, India syllabus: butterworth lowpass filter design using bilinear transformation & impulse invariant methods given relative or absolute specifications, DIT-FFT & DIF-FFT...


Platforms: Matlab

This code basically computes the BER of an OFDM system. The ifft size is 64 .16-QAM is the modulation Technique and convolution encoding rate 1/2 is used as the coding scheme.


Platforms: Matlab

This program to perform convolution has been written keeping the ordinary polynomial multiplication in mind and in my opinion is the most easily understood program among the ones I have seen on the web or written by other fellow workers although it may not be the best program in its design. The...


Platforms: Matlab

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


Platforms: Matlab

This function convolves two very large vectors very quickly. Enormous gains in speed are due to the use of two fft's and an ifft. To find out how to use this program, put it in you 'work' folder and type "help fconv".


Platforms: Matlab

This GUI program simulates Voigt spectral lineshape and absorption spectrum from HiTRAN output file. The Voigt spectral lineshape is simulated from the convolution of Guassian and Lorentzian lineshape numerically. Absorption spectrum is calculated consequently and can be compared with...


Platforms: Matlab

Jaaa is short from JACK and ALSA Audio Analyser, is an audio signal generator and spectrum analyser designed to make accurate measurements. Frequency and Amplitude These two sets of buttons set the display view. One of these six buttons, or Bandw, Peak, or Noise discussed below, has an orange...


Platforms: *nix

FIR filter Plugin is an effect plugin for XMMS which enables to filter audio data using long FIR (finite impulse response) filters. Typical applications is loudspeaker or room equalization which typically requires filters with more than 300 taps (filter weights). The FIR filter plugin uses the...


Platforms: *nix

Numarray provides array manipulation and computational capabilities similar to those found in IDL, Matlab, or Octave. Using numarray, it is possible to write many efficient numerical data processing applications directly in Python without using any C, C++ or Fortran code (as well as doing such...


Platforms: *nix

Exact Image is a fast (and soon modern and generic) image processing library. For a client we had to optimize the insane time imagemagick spent on certain image processing tasks. After the first code review it became clear that imagemagick was coded for anything but speed. We protoyped the...


Platforms: *nix

OSXRecording.com web site is a community of professional audio producers and engineers using OS X. This widget brings you the RSS data feed of the latest news, product announcements, pod cast releases, contest information and more in a small, simple, easy to install tool.


Platforms: Mac

Free Scripting Addition to provide advanced mathematical commands. Includes:linear algebra (eigenvalues, linear systems solving, etc.)signal processing (1d, 2d, and n-d FFT, cross- and self-correlations, convolution, interpolation)image processing (import/export, particle analysis)3D arrays...


Platforms: Mac

Gwyddion is a modular program for SPM (scanning probe microscopy) data visualization and analysis. Primarily it is intended for analysis of height fields obtained by scanning probe microscopy techniques (AFM, MFM, STM, SNOM/NSOM), however it can be generally used for any other height field and...


Platforms: Linux

Picturenaut's consistent multi-threaded architecture makes it the fastest tone mapper in the world. Nothing beats it running Reinhard's Photoreceptor Physiology in realtime on the full image. If you call a new 8 core box your own, you will see it haul through a 32 Megapixel image in realtime,...


Platforms: Windows

Picturenaut's consistent multi-threaded architecture makes it the fastest tone mapper in the world. Nothing beats it running Reinhard's Photoreceptor Physiology in realtime on the full image. If you call a new 8 core box your own, you will see it haul through a 32 Megapixel image in realtime,...


Platforms: Windows

The Effectbank application was designed to be a free software that lets you add mind exploding image effects to your photos with a few simple clicks. Effect types: · Greyscale effects · Dithering · Color effects · Color conversions · Color Maps · Morphological effects · Fluid...


Platforms: Windows

OsiriX is an image processing software dedicated to DICOM images (".dcm" / ".DCM" extension) produced by imaging equipment (MRI, CT, PET, PET-CT, SPECT-CT, Ultrasounds, ...). It is fully compliant with the DICOM standard for image comunication and image file formats. OsiriX is able to receive...


Platforms: Mac