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Discussion Groups > Comp.DSP
Comp.dsp is a worldwide Usenet news group that is used to discuss various aspects of digital signal processing.
There are 16462 threads in our archives.
You are looking at page 14 of 1647.
The threads with the newest articles are listed first.
Can you 'subtract' phase or group delay (analysis purposes) [2 articles]
gretzteam - 2012-02-24 16:18:00
Hi,
Say I'm measuring the phase and magnitude response of a plant, but the
measured data has to go through a 8x decimating filter (that I designed)
because my hardware doesn't allow me to measure at ...
Looking to develop digital modems
simonp - 2012-02-24 10:38:00
Hi,
I have been working successfully with Offshore Development Teams for some
time in India and China, primarily for developing Device Drivers. I am
trying to set up a similar initiative to develop...fft of a rand vector [6 articles]
Haohe - 2012-02-23 10:35:00
Hello, I am convolving a vector, lets say A with a random vector say B1,
B1=randn(1000,1) in Matlab: conv(A,B1).
Then, I re-run it with B2=randn(1000,1)and conv(A,B2) but unfortunately the
new outpu...2D FFTW3 vs. MATLAB difference only near center place [4 articles]
hyun.ha - 2012-02-23 01:51:00
Dear friends,
Here I have a problem to re-produce same results with MATLAB and FFTW
during 2 dimensional FFT.
I'm trying to do FFT with Gaussian convolution which coordinates varies
from negativ...OT Manned reentry [17 articles]
Jerry Avins - 2012-02-23 00:33:00
I just saw an interview with John Glenn, one of the space pioneers, on
PBS. He was the first American to orbit Earth and reenter (and later a
US Senator.) It awakened a memory probably worth shari...QPSK demodulation using dsp [3 articles]
pgdragone - 2012-02-22 16:11:00
To demodulate QPSK requires a carrier recovery circuit.Without a recovered
and properly phased carrier it is not possible to demodulate the I and Q
channels.
In the analog world there are circuits ...Timing recovery [6 articles]
nutnut - 2012-02-22 10:36:00
Hi everybody,
I am designing an FSK coherent demodulator. I have some trouble on timing
recovery. The question is:
-If I use a timing error detector that works with N samples/symbol (e.g.
Gardner ...Echo cancellation to share radio channel [20 articles]
Fender123 - 2012-02-22 03:55:00
Reading up a 1988 edition of Lee & Messerschmitt's "Digital Communication",
I came across this gem (Ch18 pg 643):
"In principle, echo cancellation could be used to share any medium, such as
a radio...ali [2 articles]
Umair Ahmed - 2012-02-21 20:21:00
http://sharecash.org/download.php?file=2652910
...Can You Top This [52 articles]
brent - 2012-02-21 18:10:00
In a game of "can you top this".....
I worked at a small factory where they made condenser capacitors for
cars. Worst job of my life. I welded a bracket to the can thousands
of times/day. The ...