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Welcome to DSPRelated.com !

DSPRelated.com has been around since 1999 and has become over the years the most popular independent internet resource for Digital Signal Processing (DSP) engineers around the world.
You are invited to create an account with us (quick and free). Doing so will allow you to contribute to the the site by rating DSP books and DSP Internet resources, as well as participate to one or many DSP related discussion(s).

Most Popular DSP Code Snippets

Computing FFT Twiddle Factors
by Rick Lyons |
This text, figures, and code snippet are also available in downloadable PDF format Typical applic...

Saving a Matlab figure to file using command-line
by |
Once again, this is another example that Matlab does weird things with its figure window.  If y...

Discrete Haar Wavelet Transform
by |
See article at http://www.dsprelated.com/showabstract/3639.php for the theory....

Fitting Filters to Measured Amplitude Response Data Using invfreqz in Matlab
by Julius Orion Smith III |
In the 1980s I wrote the matlab function invfreqz that implements a fast (FFT-based) equation-error ...

Adding a Controlled Amount of Noise to a Noise-Free Signal
by Rick Lyons |
The following gives two snippets of Matlab code. The first snippet is a function whose inputs are: (...

Zero Crossing Counter
by |
In some DSP applications, it can be very helpful to know how many times your signal has crossed the ...

Echo Filter
by Miguel De Jesus |
An Audio Echo Filter is an FIR filter that repeats a sound after a given Delay attenuating the repet...

Computing the Nth Roots of a Number
by Rick Lyons |
In Matlab when we want to compute the square root of a number we use the 'sqrt()' command. For exa...

Generate ideal QPSK..64QAM symbol error rates (reference result)
by Markus Nentwig |
Calculates the symbol error rate of QPSK/16QAM/64QAM/256QAM/1024QAM modulation for additive white Ga...

Peak/Notch Filter Design
by |
This function will generate the coefficients for a single IIR biquad that is a "peak/notch" design.&...

More Code Snippets...

DSP Discussion Groups

CFP: 2015 IEEE Symposium on Computer Applications & Industrial Electronics (ISCAIE2015)
by Ihsan in Comp.DSP on Nov 23 2014
The IEEE Malaysia Industrial Electronics & Industrial Applications Joint Ch= apter is proud to anno... CFP: 2015 IEEE Symposium on Computer Applications & Industrial Electronics (ISCAIE2015)

More Than 5300 Solution Manual in Mathematics, Physics, Calculus, Chemistry, Mechanics, Economic, Accounting, and Statistical
by in Comp.DSP on Nov 22 2014
Here, You Can Find any Solution Manual. NOTE : "THIS SERVICE IS NOT AVAILABLE FOR : CHINA, IND... More Than 5300 Solution Manual in Mathematics, Physics, Calculus, Chemistry, Mechanics, Economic, Accounting, and Statistical

FIR FILTER
by in Comp.DSP on Nov 21 2014
How to design a fir filter in matlab just using the discrete equation? Can anyone give me a code? ... FIR FILTER

Transform filter type
by Max in Comp.DSP on Nov 21 2014
I understand that it's possible to create a minimum phase FIR filter by transforming a linear phase... Transform filter type

POLQA (ITU P863)
by Mauritz Jameson in Comp.DSP on Nov 20 2014
I downloaded the P.863 POLQA source code from the ITU website. As far as I can see there is no guid... POLQA (ITU P863)

ADSP-BF538F SPI CONFIGURATION
by "ket...@gmail.com [adsp]" in Analog Devices DSPs on Nov 19 2014
Hello guys, I am working on configuring a slave device with ADSP-BF538F and I am able to generate... ADSP-BF538F SPI CONFIGURATION

Interesting question on sci.engr.control
by Tim Wescott in Comp.DSP on Nov 19 2014
Title says it -- there's an interesting and on-topic question on the usually-moribund sci.engr.con... Interesting question on sci.engr.control

63Hz bandpass filter to remove dithering and other noise
by Vicsafric in Comp.DSP on Nov 18 2014
I have very little DSP experience and knowledge. If you are irritated by newbies and possible dumb q... 63Hz bandpass filter to remove dithering and other noise

Why can sidelobes not be filtered?
by Bert RAM Aerts in Comp.DSP on Nov 17 2014
(I refer to the Matlab script below.) I create an ADSL DMT symbol with only 3 tones. tone1 and t... Why can sidelobes not be filtered?

Dual FFT
by Robd in Comp.DSP on Nov 14 2014
Hi, The following link shows the ADC values of 1024 samples of a waveform and 512 bins of the cor... Dual FFT

More Discussions...