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Discussion Groups | Matlab DSP
Technical discussion about Matlab and issues related to Digital Signal Processing.
Search Results for "filtering"
general filtering
ajabx - Aug 3 2005
Hello
anyone can please explain me when filtering by FFT,
what is the diference between filtering the normal spectrum and iFFT
and filtering the power spectrum and t... 
3D filtering. [6 Articles]
acetone4u2001 - Aug 1 2005
Hi,
I am dealing with 3d data. I am supposed to do a 3d fft followed
with a 3d butterworth filter. can somebody tell me how to do it ? (
specificaly multidimensional f... GUIs for adaptive filtering [2 Articles]
sufian - Nov 4 2001
i need to build a GUI in matlab that shows an LMS adaptive filtering system
used for noise cancellation
can u tell me of good sites on this subject...
anywhere i ... Physiological Filtering
chri...@gmail.com - May 4 2006
Hi,
I'm recording motor cortex NIRS signals from the human brain where the heart rate(~1.5Hz), respiration(~2Hz) and Mayer wave(~0.1Hz) cloud a lot of the motor signal that is d... filtering
sexy...@hotmail.it - Jan 15 2007
Hi tu you all!
I have a problem of distortion while filtering.
I have a signal with bandwith of 10 KHz centered on a carrier frequency
of 30 KHz without noise.
I'm trying filt... 2-D digital filtering
Appalayagari Sreedhar - Jan 31 2003
Dear all,
I am working on the 2-D fir filtering,
i need to calculate the passband ripple and stopband attenuation for the 2-D fir
filtering case using matla... matched filtering [2 Articles]
pavel_qmed - Jan 28 2008
Hi,
I need to know 2 things:
1) the matlab command (if there is any) for 'Matched filtering'.
2) mathematical expression of 'linear Chirp signal' for Radar systems.
I need ... adaptive filtering+matlab implementation
Fatima Nayyar - Nov 8 2001
hi all,
i need to know about adaptive filtering with matlab
implementation for noise cancellation. can anybody
help me out??
thanks
fatima
... Dynamic filtering
SUNIL FRANCIS MENEZES - Jul 16 2001
** Proprietary **
Hi,
I would like to know if anyone has worked on dynamic filtering in digital
domain in matlab.
The dynamic filter frequency response is va... Matched filtering in matlab [4 Articles]
Ishtiaque Ahmed - Feb 1 2008
hello,
I need to compress a chirp signal using convolution i.e. by Matched filtering in Matlab.
*Can anybody write the steps how to do this in Matlab??
*How can I define ... how do i use an adaptive filter for filtering an ECG wave [2 Articles]
puneetha achar - Mar 22 2006
hello,
im new to the topic of adaptive filters and its implementation in matlab. im doing a project on 'filtering and analysis of an ECG wave'. we are carrying out all our ... Noise Filtering from speech signal...Books/Reference Material Please [3 Articles]
rajmathi_mehta - May 11 2002
Hello everybody,
I'm working on a speech related project and want names of books
that can give me some good algorithm on noise filtering. I want to
use spectral s... ~~~ Filtering ~~~
Mithun Aiyswaryan Sridharan - Apr 28 2003
dear krishnamachary,
filtering in the "frequency domain" does not mean
convolution in this domain. filtering means u are
taking a product of the Fourier transf... ~~~ Filtering ~~~
Mithun Aiyswaryan Sridharan - Apr 28 2003
dear krishnamachary,
filtering in the "frequency domain" does not mean
convolution in this domain. filtering means u are
taking a product of the Fourier transf... ~~~ Filtering ~~~
Mithun Aiyswaryan Sridharan - Apr 28 2003
dear krishnamachary,
filtering in the "frequency domain" does not mean
convolution in this domain. filtering means u are
taking a product of the Fourier transf... Filtering a Plot
Nancy Le - Jul 26 2003
I was wondering if any of you are familiar with filtering a plot. Here's my problem, I can plot the points, but I need to filter the plot with the function y(n)=1/3[... Re: Simon Haykin's Adaptive Filter Theory 4/e [2 Articles]
DSP_Eng - Feb 14 2002
Introduction to Random Signals and Applied Kalman Filtering with Matlab
Exercises and Solutions, 3rd Edition
by Robert Grover Brown, Patrick Y. C. Hwang (Contributo... adaptive Median filtering [2 Articles]
hariza - Nov 28 2005
i have the source code for adaptive median filtering.but when i run
this code,it has an error..i'm new to matlab ..below are some of the
code
ip_edge = zeros... FILTERING - HELP [2 Articles]
camdmag - Oct 20 2003
Hello
I am new to the group and in fact new to signal processing and
filtering and was wondering if anyone could help me with a problem I
have filtering in MAT... FILTERING QUESTION
camdmag - Oct 24 2003
Hello
I am new to the group and in fact new to signal processing and
filtering and was wondering if anyone could help me with a problem I
have filtering in MAT... frequency domain filtering? [3 Articles]
krishnam acharya - Apr 24 2003
Hi all,
this is regarding my doubt in frequeny domain
filtering.
is it means to say that we convert a signal x(n)
into its frequency domain and we get the fouri... Filtering 3d Data
simon connol - Aug 12 2003
Hi guys !!
First of all, I'd like to say that this group is really excellent, atleast we
people who have questions regarding Matlab can communicate with Other pe... Convolution and Filtering [3 Articles]
icpower2000 - Jan 11 2007
Hi to all:
I have this program. My question is at the end of this program below.
clf;
h=[3 2 1 -2 1 0 -4 0 3];
x=[1 -2 3 -4 3 2 1];
y=conv(h,x);
n=0:14;
subplot(2,1,1);... Filtering Guassian noise with Matlab [5 Articles]
tu5752 - Dec 3 2005
Hello all,
I'm generating a 1 kHz square wave and adding Guassian noise to obtain
a SNR of 0 dB (using Matlab6.5). The task is to design a filter that
will filter out as... Re: Masking a speech signal
Nadimul Haque FAISAL - Jul 13 2007
Hi Dear,
i think, selective masking is nothing but Band-pass filtering.
yah, to my understanding, it can be done by band-pass filtering of the
signal.
for this first you have t... Adaptive filtering [2 Articles]
narokel - Oct 20 2002
Hello,
I am beginning to learn dsp and would very much appreciate some help
regarding adaptive filtering.
I have an input signal and an output signal. I wou... frequency response matching
trentki - Jan 16 2008
Hello!
I've got a basic? question regarding filtering.
The goal with the filtering is to match four frequency response source
curves against two target curves.
Let us cal... wiener filtering [6 Articles]
"Hi, There" - May 2 2006
Hi, There,
Anyone use wiener filter to remove noise of
one-dimension signals?
I appreciate it very much if you can suggest any
papers? Matleb codes are welcome.
Thanks,
... problem in 8psk demodulation-decision region [2 Articles]
raval kunal - Mar 10 2003
Hi everyone,
I am trying to simulate 8PSK modulation-demodulation scheme in matlab. The
problem arises in the decision making after matched filtering and re-samp... filtering? [6 Articles]
Maryam Amoui - Dec 29 2006
Hi;
How can we filter 2 signals from eachother.
for example,I have a signal which is the ECG of mother & also baby
toghether,how can I seperate these two from eachother & also ... Re: Filter question
navaneetha krishnan - Feb 10 2003
Hi,
If a function takes more than one input and produces
only one output, then it is probably doing mixing.
Though filter banks come somewhat close to your
d... lms notch adaptive filter
el01...@mail.ntua.gr - Feb 26 2008
hello,
>
> im new to the topic of adaptive filters and its implementation in matlab. im doing a project on 'filtering an ECG foetus'. we are carrying out all our analysis on... fft and frequency filtering
ferhatdegirmenci - Jun 8 2005
I have a wav format audio file.
I need to operate with fft and I have to filter it between 30hz to 100hz.
I can read it, but I dont know how to filter it. I don't know... Filtering EEG signals
- May 10 2001
Does any out there know how to accuratley filter frequencies in 0.2
Hz bins....exactly?
Which filter, order number, etc. would be most useful.
Thanks
M... Re: real time project using matlab
paritosh pande - Sep 4 2006
> ----- Original Message -----
> From: "joshy jose"
> To: m...@yahoogroups.com
> Subject: [matlab] real time project using matlab
> Date: Wed, 30 Aug 2006 18:11:42 +053... watermarking in images
balaji62002 - Feb 7 2004
hi all,
Is anyone doing a project in 'feature based digital image
watermarking'? if so, mail me.i want know more abt mexican hat
filtering using matlab.waiting fo... IIR filtering Doubt... [6 Articles]
bhooshaniyer - Mar 28 2002
Hi everybody,
Iam trying to do a filtering on a certain signal,lets
say a sine wave consisting of three different frequency ranges ie,
in real time my si... Adaptive Filtering of QAM Signals
Mahdi - Jul 9 2003
Hi everybody,
I have a QAM signal corrupted by a colored/AWGN noise. I would like to filter
it. The problem is that QAM has not constant spectrum. Anybody has or... 2-D filtering
Osman Arslan - Mar 2 2004
I would like to design a 2-D stopband filter and use
it to filter some images in time domain. The butter()
command can design butterword stopband filters but it
i... RE: Pulse Shaping Filter for EDGE
Jeff Winter - Apr 18 2002
A traditional 8-PSK system uses raised-cosine filtering to remove
intersymbol interference (ISI). You can use the FIRRCOS (Raised Cosine FIR
Filter design) command....