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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 42 threads in our archives.

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The threads with the newest articles are listed first.

Re: Difference between Digital and Discrete Signal
0

Piergiorgio Sartor - 2004-10-14 08:09:00
glen herrmannsfeldt wrote: > For a philosophy question, is it sampling and digitizing > a virtual analog signal? Not really, since you can generate signals that not always can be sampled (if...Re: Difference between Digital and Discrete Signal

Re: Physical significance: Replications of analog signal in digtial domain
-1

Piergiorgio Sartor - 2004-10-04 06:02:00
Andor wrote: [...] > number of Pi? Or: where in the decimal expansion of Pi appears my > birthday date? The program also supplies a little calculator, which Are you sure you can do this? I mea...Re: Physical significance: Replications of analog signal in digtial domain

Re: Why Side Lobes appear in magnitude response?
0

Piergiorgio Sartor - 2004-09-30 04:05:00
Bernhard Holzmayer wrote: > But the consequence is not, that physical reality follows > mathematics. Instead, mathematics is a vehicule to transport > insight in either physical reality or i...Re: Why Side Lobes appear in magnitude response?

Re: Why Side Lobes appear in magnitude response?
0

Piergiorgio Sartor - 2004-09-29 11:06:00
Sandeep Chikkerur wrote: > Again, mathematically this can be proved with the sinc function. > However, I want to know the physical interpretation of the same I would like to have a prove (mat...Re: Why Side Lobes appear in magnitude response?

Re: ITU recommendations, V-series, Naming
0

Piergiorgio Sartor - 2004-09-27 10:16:00
Steve Underwood wrote: > Why should bis mean anything at all in English. Its French. The CCITT Well, actually "bis" is latin... :-) and means something like "twice", or maybe "second try". ...Re: ITU recommendations, V-series, Naming

Re: Plural Hertz.
0

Piergiorgio Sartor - 2004-09-27 03:32:00
Rune Allnor wrote: > I'm not so sure. I think 'hertz' in German also means 'heart'. > Hey, I've never seen that one before! I don't remember much German, > but I thing that makes the plural ...Re: Plural Hertz.

Re: Plural Hertz.
0

Piergiorgio Sartor - 2004-09-27 03:26:00
Paul Russell wrote: > Ah - that explains why we don't have Amps, Volts, Henries and Teslas > then ? ;-) Well, if I would be nasty, I would say that this only shows ignorance... :-) Serio...Re: Plural Hertz.

Re: Decimation vs. Collapsing and their spectral effects
-6

Piergiorgio Sartor - 2004-09-24 10:32:00
Jerry Avins wrote: > That seems very strange to me; I would have thought it is a sinc. Can > you explain? You can see it from a different point of view. Two (symmetric) 1s in the frequenc...Re: Decimation vs. Collapsing and their spectral effects

Decimation/interpolation
0

Piergiorgio Sartor - 2004-07-01 03:48:00
Hi, I have a, maybe stupid, question about decimation and interpolation. Let's say we have a signal sampled at 20KHz, so with an useful bandwidth of 10KHz. This is ideally low passed at 5KHz...Decimation/interpolation

Re: What is the advantage on high-sampling rate ?
0

Piergiorgio Sartor - 2004-04-23 07:55:00
Randy Yates wrote: > Oh, that. Yep, they convinced me. The other 4 billion people on the > planet must be wrong. They must have discovered something that no > other researcher has been able to...Re: What is the advantage on high-sampling rate ?
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