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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 77 threads in our archives.

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Re: 90 deg phase shift - do I need a hiltert transform? 0

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 0

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? 0

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 0

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? 0

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...

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? 0

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 0

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 0

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 0

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...
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