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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 77 threads in our archives.
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Re: 90 deg phase shift - do I need a hiltert transform?
Allan Herriman - 2005-02-24 14:10:00
On Thu, 24 Feb 2005 18:01:05 +0000, Dave wrote:
> I'm trying to design something in which data is collected from a dual
> channel A/D. If the inputs are x and y, I need to get a 90 degree phas...
Re: Definition for transversal equalizers
Allan Herriman - 2005-02-21 09:26:00
On Mon, 21 Feb 2005 14:08:08 GMT, Randy Yates wrote:
> "huke" writes:
>
> > Hello Everyone,
> >
> > Can anyone point me the definition for a transversal equalizer? Some
> > books on...Re: SNR of a Signal?
Allan Herriman - 2005-02-02 11:44:00
On Wed, 02 Feb 2005 11:26:34 -0500, Jerry Avins wrote:
> Parthasarathy wrote:
>
> > Hello
> >
> > Given,
> > S2 = S1 + Noise;
> >
> > Given only S2, Is it possible to estimate i...Re: best factors
Allan Herriman - 2005-01-24 00:47:00
On Sun, 23 Jan 2005 23:40:06 +0000 (UTC), Tachyon
wrote:
> I have the following problem:
>
> Given a target number from 500,000 to 4,000,000, I'm
> tasked with finding two factors which min...Re: logarithmic fft for musical notes?
Allan Herriman - 2005-01-24 00:36:00
On 21 Jan 2005 17:57:52 -0800, bg_ie@yahoo.com (Barry) wrote:
> Hi,
>
> I was wondering are there FFTs available with bin widths that match
> the frequency of a musical note. So, bin 10 say for...Re: Pipelined ADCs
Allan Herriman - 2004-12-24 11:36:00
On Fri, 24 Dec 2004 15:25:23 GMT, Randy Yates wrote:
> jrferguson@aol.com (Jrferguson) writes:
>
> > I am trying to locate tutorial information on pipelined ADCs, without any
> > success a...Re: Phase noise units dBc/Hz vs dB-rad^2 /Hz Why are they the same?
Allan Herriman - 2004-12-23 01:29:00
On 22 Dec 2004 18:43:45 -0800, "Mark" wrote:
> Question about measuring phase noise density.
>
> I know the units of dBc/Hz are numerically equal to the units of
> dB-rad^2/Hz.
How do you...Re: Looking for a SIMD DSP
Allan Herriman - 2004-12-17 04:08:00
On 16 Dec 2004 03:03:21 -0800, "Martijn"
wrote:
> Hello,
>
> I am looking for a SIMD or Vector DSP, and I was hoping some of the
> people here could recommend one.
>
> The processor I am...Re: Delta-Sigma Modulator question
Allan Herriman - 2004-11-29 05:50:00
On 29 Nov 2004 01:46:23 -0800, vinma55@hotmail.com (Vincent Ma) wrote:
> Dear all,
>
> In a Delta-Sigma Modulator, after the quantizer, the output bit stream
> (+1 and -1) is fed back to the in...Re: Question about Galois/Fibonacci LFSRs and CDMA
Allan Herriman - 2004-11-15 00:14:00
On 14 Nov 2004 16:02:16 -0800, employee3072@yahoo.com (EM) wrote:
> CDMA uses psuedo random sequences to seperate users sharing the same
> frequency band. The standards (which I don't have access...