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Discussion Groups | Matlab DSP

Technical discussion about Matlab and issues related to Digital Signal Processing.

Search Results for "radix"

  

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Radix 2 and Radix 4   [4 Articles]

Appalayagari Sreedhar - May 24 2003
Dear Friends, Can u clear my query, What exactly is the difference between the radix 2 and radix 4 and how the number of computations vary. Thanks in a... Radix 2 and Radix 4

Re: FFT pad or no pad

umas...@gmail.com - Jan 25 2011
I have 300sec data collected at 1Hz. I want to look at power spectrum of this time series, so first I need to do FFT(). But I am not sure if I need to pad it with zeros to make i... Re: FFT pad or no pad

help for matlab implementation of DIT sr FFT

hspk...@yahoo.com - Jan 18 2007
Sir I am an Mtech student doing my project in Drowsiness estimation from EEG waves.I want to implement this in realtime . For that purpose initially i have to imple... help for matlab implementation of DIT sr FFT

Place of Zeropads

dirk...@hotmail.com - Feb 23 2009
Hello, I was wondering if it matters where to place the zeropad after windowing a time signal (to prepare for fast FT). More specific, I am use a 418 point Hann window to win... Place of Zeropads

Re: FFT source code

Miguel Baz - Aug 26 2006
Sorry I've just come from my holidays. Thank you everybody for answering. We have a micro (Atmega128), I think I have no problem with the powers of 2. I've found a lot o... Re:  FFT source code

RE: FFT in Matlab

Sridhar Nandula - Feb 19 2002
Hi, FFT in matlab can be done using direct FFT function. let us say k is an array of size N then call fft directly. using fftk= fft(k,N); Once you go... RE:  FFT in Matlab

RE: fft problem   [2 Articles]

Jeff Winter - Jan 20 2004
Hi Maria, I have modified your code as shown below. You will now get the two peaks you where looking for. OK, so where did it go wrong? Well, you correctly sai... RE:  fft problem