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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 435 threads in our archives.
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Re: Pulse Shaping Question
Mark - 2013-04-11 11:43:00
or very simply, you can do pulse shaping at baseband before modulation
with something like a low pass filter
or
you can do pulse shaping at RF after modulation with something like a
band pas...
Re: SDR - Demodulation of DVB-C
Mark - 2013-03-28 09:39:00
where is the "REAL" data coming from?
off the local cable TV system?
are you SURE they are using the EXACT same standard as you have
simulated?
inadvertent spectral inversion is always a...Re: Generate Pink Noise Efficiently
Mark - 2013-03-22 19:25:00
On Mar 21, 7:30=A0pm, "dszabo" wrote:
> > Can I make a suggestion? =A0 If not, ignore the following:
>
> > Most tuners want to be able to hear what they're doing during the
> > tuning proce...Re: Allpass filters and Wikipedia
Mark - 2012-12-12 23:19:00
On Dec 11, 1:39=A0pm, Robert Adams wrote:
> Well I suppose that if many people start designing internally-unstable fi=
lters, pretty soon they'll start asking for dsp's with insanely large word ...Re: FMCW Radar and Ranging
Mark - 2012-12-12 23:14:00
On Dec 12, 2:41=A0pm, Tauno Voipio
wrote:
> On 12.12.12 7:52 , Randy Yates wrote:
>
>
>
>
>
>
>
>
>
> > Tauno Voipio writes:
>
> > > On 12.12.12 8:51 , Randy Yates w...Re: filtering narrow-band signal preserving phase information
Mark - 2012-12-02 18:13:00
=A0i was talking about
> this sorta at the last AES and the way i put it is, in Unreal-Time
> processing (that is processing sound files to sound files), you get to
> sorta play God with time. ...Re: PLL Terminology Question
Mark - 2012-10-11 20:53:00
On Oct 11, 7:27=A0pm, John S wrote:
> On 10/11/2012 3:36 PM, Tim Wescott wrote:
>
> > How commonly do you see PLL designs referred to as "type I", "type II",
> > "type III", etc.? =A0Do t...Re: Low Pass Filter: f = 1/ 2Pi RC Why 2Pi ?
Mark - 2012-10-08 22:03:00
>
> Does it make sense to ask how many nepers that drum turned"
>
>
another interesting math fact..
the optimum spacing for amplifiers of limited power in a cable system
is 1 Neper.. ...Re: Clipped sum of sinusoids
Mark - 2012-10-04 09:51:00
> > > But, hard clipping, I don't see how the pieces fit together.
>
> > Even taylor series expansion gives you the hint: you cannot do what Vlad
> > wants without an accurate frequency pl...Re: Costas loop problem at a specific phase angle
Mark - 2012-09-12 15:43:00
On Sep 12, 12:22=A0am, Rob Doyle wrote:
> On 9/11/2012 6:11 PM, samberh...@gmail.com wrote:> I am not sure I have i=
mplemented it correctly. The loop seems to track
> > ok (I've tried it wi...