clay's articles:

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OT: Astronomy -> viewing Mercury 8 293 (4/1/2010 7:49:41 PM) comp.dsp Hello All, Mercury's proximity to the sun makes it difficult to see but there are times when the Earth's tilt helps[1]. For viewers in the northern hemisphere, Mercury is best seen as an evening star around ... Clay

Tips and Tricks Articles (listing) 8 33 (5/1/2009 10:13:29 PM) comp.dsp Hello All, I recall a while back someone had asked for a list of the Tips and Tricks articles. So I compiled one. Sorry the formatting won't be great but cut and paste into Notepad and it should be okay. Clay... clay

Slightly OT: Comet Lulin and Kalman Filtering and signal averaging 32 30 (2/25/2009 3:54:20 PM) comp.dsp Hello All, In the world of astronomy we currently have comet Lulin which will be observable in binoculars and telescopes for another couple of months. So I set up my scope to take a picture of it. So the DSP p... clay

Another Paper - maybe slightly OT - Euler's Totient 3 40 (11/5/2008 3:50:06 PM) comp.dsp Hello All, I've put together another paper this time detailing some topics in number theory and public key encryption. One topic covered is Dirichlet convolution which is different from the convolution we "norm... clay

Time Reversal and Frequency Response - paper 14 30 (10/23/2008 5:24:21 PM) comp.dsp Hello All, I recently had a reason to delve into the details of time reversal filters, and then we recently had a post asking about just that. So I put together a paper this morning detailing it. (I'm in the m... clay

Rick Lyons gets two attaboys 15 40 (5/5/2008 5:43:35 PM) comp.dsp Hello All, In the May issue of Sig. Proc. Mag., Rick gets mentioned in two different articles. One is the announcement of his award for best column. Rick can now buy us all beer. And the other is the review of... clay

OT: Calculating date of Easter 13 37 (3/21/2008 1:52:23 PM) comp.dsp Hello All, As a bunch of DSPers we like to calculate things. And one that is somewhat challenging is the date of Easter. It has an astronomical origin - specifically it is the 1st Sunday on or after the 1st fu... clay

OT: Lunar Eclipse Pic 10 37 (2/21/2008 8:08:38 AM) comp.dsp Hello Guys, We had another one, so here is a link to see an image I took during totality: http://www.claysturner.com/eclipse/lunareclipse.jpg feedback welcome. We can even pull this on topic by discussing dr... clay

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complex numbers 50 32 (12/25/2012 2:19:23 PM) comp.dsp Sirs, I am reading tutorial on quadrature signals by Rick Lyons. I did not know where to clarify some questions, hence i am putting on this forum. I have read complex numbers before and even this time, i... manishp

Audio CD Error Correction 20 31 (1/2/2013 8:53:18 PM) comp.dsp I vaguely remember reading a statement about audio CDs, to the effect that the error correction scheme is designed with some sort of magic so that it suffers a certain amount of soft degradation before the ... tim177 (4425)

Hilbert Transformer #2 4 25 (1/3/2013 8:11:15 PM) comp.dsp Hi all,=20 I am a new member. Could you help me to answer the question that is: the fu= nction "remezord" in Matlab uses what formula to estimate the order of filt= ers and why the function can not be used... phananhtuan.ac (2)

System ID and Numerical Conditioning 8 23 (1/28/2013 5:28:30 PM) comp.dsp Hey all you system ID mavens: Peter Mairhofer's post raised a question that I wanted to ask about on a separate thread. The classic least-squares system ID problem calls for you to solve a big, usuall... tim177 (4425)

FFT equivalent for chirp of a known starting frequency. 4 15 (1/29/2013 7:58:39 PM) comp.dsp I know there's 2D methods for computing a frequency/chirp spectrum, but let's say I have a chirp with a known starting frequency. Is there an equivalent to the FFT (ie fast transform) that can be used to com... gct

OT: For Star Trek fans 14 19 (2/16/2013 2:09:55 PM) comp.dsp Hi, This is one pictorial example of the word "cool." http://barryshields.com/startrekpage.htm [-Rick-] ... Rick

PC hard disk error correction question 10 7 (4/24/2013 8:57:34 PM) comp.dsp Hi Guys, Can you give me your opinion on what would be the effect on personal computers (PCs) if their hard disk systems had NO error correction? Would disk storage capacity be reduced? Would dat... Rick

Recursive Least Squares 4 10 (4/29/2013 9:33:43 PM) comp.dsp We all know that Guass probably invented block least-squares, but who invented Recursive Least Squares? ... gyansorova (868)

Communication System for High speed objects 28 4 (5/29/2013 6:47:27 AM) comp.dsp Hi list, I want to design communication system for high speed objects say 600Km/h. And I plan to use 4FSK or 8-FSK as modulation scheme. Data rate would be around 125Kbps and symbol rate 62.5ksps. What k... mite_learner

Interpolation of a Discrete Periodic Signal 18 3 (5/23/2013 4:05:33 AM) comp.dsp So, this was an ongoing discussion in another thread, and it's been going on long enough that it probably deserves its own thread. I'm going to switch the notation to use 'n' in the time domain and 'k' in th... dszabo