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Comp.dsp is a worldwide Usenet news group that is used to discuss various aspects of digital signal processing.
There are 7 threads in our archives.
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How to count consecutive errors?
Jeff - 2005-01-01 13:17:00
Hi,
I have asked the question from this group and got the following
answer. But the result was not I want. Possibly I did not describe my
purpose clearly.
I have considered it for quite a while ...
Question about computation complexity of DFT (and FFT)
Jeff - 2004-09-12 15:14:00
Hi, all
I am reading the book "digital signal processing" of "Oppenheim &
Schafer". In chapter 6, "Computation of the Discrete Fourier
Transform", Page 285, it made a calculation of computation com...Question about Z transform of decimation
Jeff - 2004-09-06 17:48:00
Hi,
I am learning about digital decimation. The problem is like this:
Z-transform of input sequence and filter aree X(z), H(z) respectively.
After the filter H(z), there is a 2 decimation. From one...Questions about QR-RLS algorithm and antenna beamforming
Jeff - 2004-01-06 09:04:00
Hi,
I want to simulate an adaptive beamforming algorithm (using QR-RLS).
From what I learned, I have the following thoughts and questions.
Because I am not sure whether they are right or not (and t...Is the input impulse in this RC filter?
Jeff - 2004-01-02 20:53:00
Hi,
The RC or RRC filter require the input to be impulse signal. In my
following Matlab code, I use modmap at 1:1 frequency ratio to generate
I,Q signals. Then these I,Q signals input to rcosflt fi...Question about ISI and square root cosine filter
Jeff - 2003-12-03 22:30:00
Hi,
I want to simulate two cascaded square root cosine filters to decrease
ISI in baseband using Matlab. The signal modulation is I, Q type, such
as QPSK. When I begin the job, I find there are som...Question about communication simulation
Jeff - 2003-11-09 22:34:00
Hi,
I am running 'Communications error rate estimation' from communication
toolbox (Matlab 5.2, communications toolbox 1.3) to learn
communication simulation. I have two questions about this progra...