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Search Results for "autocorrelation"
autocorrelation problem [4 Articles]
t_katrina - Feb 22 2003
Hi everyone,
I need help in autocorrelation. I have generated a particular
sequence code, C of period 15 and need to find its autocorrelation.
I need to get th... 
autocorrelation of two dimensional arrays
aycece - May 20 2008
Hi,
I have a one dimensional sequence which I construct two dimensional
arrays preserving the autocorrelation properties. I want to calculate
the autocorrelation function of... How to convert an autocorrelation function to a signal [2 Articles]
arthanareeswaran palaniappan - Jan 10 2008
Hai
My project work involves conversion of PSD into its signal. I have the
variation of PSD with frequency. Using FFT I can change this PSD into
autocorrelation. Pl suggest... autocorrelation [2 Articles]
Valeria - Jan 11 2005
Dear all,
How to find the autocorrelation function of complex signals using
Matlab?
Valeria
... Cyclic Autocorrelation!
Shailesh Khanolkar - Apr 17 2006
Hi,
How do i obtain/simulate the cyclic autocorrelation of
a cyclostationary process?
Shailesh
... autocorrelation of a binary sequence
mohan prasad - May 2 2003
Hi all,
I have the following output from a 4 stage shift
register.0101101110.Now I need to find the
autocorrelation of this sequence.Is there anyway we
can do t... Autocorrelation problem solved
katrina tao - Feb 25 2003
Hi all, the autocorrelation problem I poseted earlier have been solved! Thanks
so much to all who have replied...really appreciated it! :)
Kat~
... AR modeling again
M J - Apr 25 2006
Nishit, Amit and Blessy
At first, thank you for your quick reply!
I suppose that my problem about input signal wasn't enough clear. In the meantime I managed to solve it... Autocorrelation function of bandpass stochastic process
rmartis80 - Oct 2 2006
I am new to band pass stochastic processes. power spectral density of
a low pass gaussian stochastic process x(t) is given. How to find
the autocorrelation function of x^2(t... eigen values of a correlation matrix [3 Articles]
haresh29 - Oct 31 2002
hello ppl,
i had a question regarding eigen values....i have a 1000x1
matrix....i want to compute the eigen values of the autocorrelation
of that matrix....but... Re: basic question about cross correlation
Nandan Das - Apr 12 2009
integral (-inf, inf) exp(t).exp(t) dt does not converge. So for an exp(t),
where t = -inf to inf, I don't think your definition of autocorrelation
works any more. In fact, the ... lpc coefficients [4 Articles]
Henry Wijaya - May 17 2001
Hi, is anybody familiar with LPC analysis? I tried to write a code that
computes the LPC coefficients of a given signal sequence using
'autocorrelation method' and... autocorr [3 Articles]
Nihal Agaoglu - Mar 3 2006
i have two data as for example V and t
how can i find and plot its autocorrelation function
thanks...
... Pn sequence generation [3 Articles]
muna...@yahoo.com - May 5 2009
Can any body give me some reference how to generate PN sequence with required autocorrelation characteristics.If Pi is the sequence of length M
PiPj = M if i =j
... autocorrelation
nmoff2003 - Oct 20 2003
Hi
I am computing the autocorrealtion of a speech signal. I know that
this is easily done using the xcorr function in matlab. I wanted to
use normalised cross-... Autocorrelation and Crosscorrleation
amr hassaan - Aug 15 2007
Hi all,
I'm correlating segments of EEG and EOG records, more or less, these are sequences of discrete values showing the samples of both signals.
literature says that autocorr... Autocorrelating a Radon Transform
honwingh - Jan 11 2006
Hi all, I am doing a digital fingerprinting project and I am stuck on
how to perform a normalized autocorrelation on a radon transform could
anyone on this forum help me p... snr of dsp based am or fm demodulator
bimbo06wole - Jul 21 2008
does anyone no how one can compute the output SNR of an AM/FM dsp based
demodulator using crosscorrelation or autocorrelation.
... Re: Power Spectral Density
Nishit Jain - Nov 7 2005
You need to use the parametric methods of power spectral density
estimation. There are several methods : Autocorrelation method, Burg
Method, Covariance method etc to name s... Re: AR modeling
Nishit Jain - Apr 24 2006
Hi
In AR model, the input is the noise signal, and this model is used to
predict the signal X from its past values and the input noise.
But in that case we already have esta... Re: normalised cross correlation
Roger B. - Jan 11 2004
hi ,
Normalized cross correlation of two signals x1 and x2
at lag 'k' is the square of the modulus of their cross
correlation Rx1x2 at lag 'k' normalized by... RE: y-axis of IFFT [2 Articles]
Egler, Mark - Mar 11 2002
The IFFT of the PSD of a signal is the autocorrelation function (ACF) of the
original time-domain signal.
Mark Egler
Analogic
> -----Original Message-----... corrcoef?
"Adnan Pasic (Ado)" - Nov 18 2007
Hey guys,
I desperately need your help, especially because I need this
information for a practical exercise at University. All I have to do
is to calculate the autocorrelatio... Re: LFSR flat frequency [4 Articles]
Valozic - Jan 24 2005
Hi Tomas!
Try:
FFT(Autocorrelation function(LFSR sequence))
It is important to calculate ACF on the whole sequence L=(2 exp n) -1.
Best wishes, ... Estimate LPC's [2 Articles]
rahulparthasarthy - May 17 2004
Hello,
I am trying to compute a solution using the least- square- error
principle to an overdetermined system of equations.
The equation is as below:
E... Re: How to get random signal samples from a given PSD?
Nandan Das - Nov 16 2005
Let me see if I can help you out here...
If you send a random signal (with Psd Sx) through a LTI block with transfer
function H(f) then what comes out has a PSD Sy given ... block processing, filter behaviour
competitions_2005 - Oct 28 2005
Hello
I have a question about filter behaviour and block processing.
I have a signal x[k]=s[k]+n[k] where s is clean speech and n is
colored, gaussian noise.
In... Re: PSD of Random Numbers using MATLAB
Tayyar Guzel - Nov 30 2008
Hi Karthikeyan,
Before concerning about how to find PSD in matlab, you need to make sure that you theoretically know how to find the PSD of a random process. you need to first ... Noise Cancellation using Auto and Cross-Correlation (xcorr & xcorr2)
dwch...@gmail.com - May 5 2008
Hello,
I'm trying to create an FIR filter to cancel some noise in an audio sample by looking back at the previous samples (some m samples back) to create the filter weight for t... RE: Re: PAPR Reduction or Pre-distortion Techniques for OFDM
Feng Ouyang - Jun 12 2006
Here are some papers that I collected on PAR reduction.
Note that you need subscription to IEEE digital library to
access the URL links below.
A review on the subject was provi...