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Technical discussion about Matlab and issues related to Digital Signal Processing.
How to put mark on an image [2 Articles]
abdul mannan - Mar 15 2011
Dear Friends,
Please take my greeting.
I need to put rectangular mark around a specific pixel on an gray scale image
and write down a numeric value for tha... 
help with find function
"t.pokerrob" - Mar 15 2011
I have a signal that i have filtered and then used this line of code to find the peaks on the filtered signal x_lp1:
id = find((x_lp1(1:L-2) x_lp1(3:L)))+1
I now need a code... fmcw radar
Ozcan - Mar 15 2011
Hello everyone,
I am trying to plot range-doppler diagram for an fmcw radar.
Here is how I generate transmitted,received and video signal;
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%... Gray mapped 8PSK
oa00...@surrey.ac.uk - Mar 15 2011
Does anyone know of a way to reduce this code and still achieve gray mapping, because when M (in MPSK) gets higher, gray mapping using the method I used below will be too lenghty. ... Help needed: Adaptive channel equalization
Emmanuel Chemweno - Feb 27 2011
Hi everyone,
I am doing an MSC thesis on channel equalization
I am doing simulation on variable step size adaptive filtration. The problem am
facing is to simplify the mathem... Sampling frequency offset correction & estimation Speth et al.
bobo...@gmx.de - Feb 27 2011
Hello everyone,
I'm having troubles with SFO estimation and its correction on Speth algorithm, since I don't get correct estimated values neither in AWGN nor in ideal case.
Bas... query about optimizing all pass filter parameters
kimm...@yahoo.co.in - Feb 15 2011
I have a function H(f) = 10 –(α*L/10)exp –j[ D*λ0^2*L*ω^2/ (2*c)] .
And θap(phase of all pass filter in frequency domain) is a function of T, r, ω0 and f. Expression of... old specgram versus new spectrogram
#ARIJIT BISWAS# - Feb 11 2011
Hi MATLAB Experts:
MATLAB replaced the old specram
http://faculty.petra.ac.id/resmana/private/matlab-help/toolbox/signal/specgram.html
with the new spectrogram.
http://www.ma... Halfband and FIR filter for decimation
feyzakent - Feb 11 2011
Hi,
I want to design a decimation filter for a Sigma-Delta modulator. The modulator input is 20Khz sinus signal. And this signal is oversampled to 2.5Mhz. So decimation ratio is... Multicell Network [1 Attachment] [3 Articles]
Muhammad Abrar - Feb 11 2011
Hello every one:
I am working multi-cell cellular network; Using Matlab I am able to establish a
network of two tier cells with 19 BS and each BS has three sectors. Each secto...