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Raised-cosine window for OFDM intersymbol transitions [Matlab]
Calculates a raised-cosine window pair for OFDM windowing. Results in a smooth transition between symbols that causes less interference to adjacent frequency bands....
posted by Markus Nentwig on Oct 21 2010
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Resampling by Lagrange-polynomial interpolation [Matlab]
Calculates Lagrange-resampler coefficients and resamples an example signal.A Lagrange-resampler evaluates the unique n-th order polynomial that crosses through n+1 input samples. This code snippet map... posted by Markus Nentwig on Aug 17 2011
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integrate RMS phase error from spectrum [Matlab]
In a radio transmitter or receiver, the signal is translated in frequency by multiplication with a local-oscillator (LO) signal. Ideally, the LO signal is a pure sine wave, in reality it also contains... posted by Markus Nentwig on Oct 21 2011
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First order RC Filter in the Digital Domain [Matlab]
Here's the situation... Your boss just noticed that the hardware board for you product has this silly thing called an "analog filter" (sounds foriegn nowadays) that consists of a resistor and a capaci... posted by on Aug 7 2011
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Yet Another FIR design algorithm [Matlab]
Designs real- or complex-valued FIR filters with linear or non-linear phase that match or equalize arbitrary frequency responses. Update: Download the latest version here (uses object-oriented synta... posted by Markus Nentwig on Aug 21 2011
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Circular Buffer FIR Filter [C, TI C67x]
This FIR filter implements a circular buffer. Your own coefficients in yourfiltercoeffs.h can be created using fdatool in MATLAB. DIP1 down = Unfiltered DIP1 up = Filtered... posted by Ron Elbaz on Apr 1 2011
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Tremolo audio effect (amplitude modulation) [C]
This code has the basic functions to perform amplitude modulation or tremolo effect on audio signals according to (LFO signal) m [n]---->[+]------------>[*]---------------> y[n] (tremolo mo... posted by Gabriel Rivas on Nov 29 2011
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Fixed-point IIR Filter Code Generator for ARM [ASM, ARM]
This is a fixed-point IIR filtering routine written in ARM assembly. We also provide an online tool that takes a Matlab coefficient file as input and generates a source file, header file, and example ... posted by Jordan Rhee on Nov 30 2010
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CIC Filter Analysis script [Matlab]
A Matlab script written to aid in the design and analysis of CIC decimation filters. The script plots the frequency response of the filter, as well as the response of a matching FIR compensation filte... posted by Tom Chatt on Oct 27 2010
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u -Law and Inverse u-Law [Scilab]
The functions u-law and Inverse u law used to perform u-law compression and expansion... posted by Senthilkumar R on Mar 24 2011
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