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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 47 threads in our archives.
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Re: what's the different variance from time domain and frequency domain?
naebad - 2007-09-29 09:00:00
On Sep 30, 12:38 am, "mnentwig" wrote:
> Have a look at this:http://en.wikipedia.org/wiki/Parseval's_theorem
> -mn
Only for an ergodic process I believe - is this right?
...
Re: comparing audio signals to determine delay
naebad - 2007-03-19 16:32:00
On Mar 20, 4:24 am, "robert bristow-johnson"
wrote:
> On Mar 19, 8:54 am, "F.B. Uijtdewilligen"
>
> wrote:
>
> > The issue I'm currently dealing with is which way to compare the sign...Re: short term estimate
naebad - 2007-03-19 16:31:00
On Mar 20, 1:45 am, "d.pal" wrote:
> I could not understand how a low pass IIR filter like below will represent
> a short term power/energy estimate..
>
> y(i+1)=(1-a)y(i)+ a|y(i)|
>
> ...Re: Quality PC Microphone
naebad - 2007-03-04 20:12:00
On Mar 5, 6:30 am, Richard Dobson
wrote:
> Jerry Avins wrote:
> > jecottrel...@gmail.com wrote:
>
> > > > How about a better sound card?
>
> > > Laptop..... (portable recording)
> ...Re: Loop Filter Modelling
naebad - 2007-01-09 19:29:00
pruthvisri02 wrote:
> Hallo, I am relatively new to RF electronics,I need some support for
> modelling my blocks in PLL.The block we have problem is third order
> LoopFilter (L.F). Here we go ...Re: Order selection of AR process
naebad - 2007-01-07 19:39:00
Clay wrote:
> dreamerg wrote:
> > Hi
> > Can anyone explain how one choses the order of the AR process when trying
> > to estimate it's coefficient (Via levinson durbin algorithm). Is thi...Re: why is it working!
naebad - 2006-11-23 17:39:00
ma wrote:
> Hello,
> I found that it is believed that if we have an FM modulation then we can
> demodulate it by calculating (Q/I)' But why? How (sin/cos)' relates to
> frequency ?
>
>...Re: Slightly O.T.: 90 degree phase shift of sinusoidal wave using analog components
naebad - 2006-11-22 14:08:00
Randy Yates wrote:
> "Major Misunderstanding" writes:
>
> > wrote in message
> > news:1164095780.785134.255820@j44g2000cwa.googlegroups.com...
> > > Hi,
> > >
> > > I apolog...Re: time shift between two sine waves
naebad - 2006-11-16 15:42:00
rashdk wrote:
> I have an acoustic source generating a sine wave at a distance ,say , 100m
> from a point A and at 120 m from a point B. I need to find out the
> difference in arrival of the ...Re: Power Density Spectrum and Periodogram
naebad - 2006-11-09 15:45:00
crippler wrote:
> Hi
>
> I have tried many diff ways to plot a periodogram with the following
> functions but am unsure if they are correct.
>
> %Spectral Density of pure sine wave of 10...