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|    sci.optics    |    Discussion relating to the science of op    |    12,750 messages    |
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|    Message 11,545 of 12,750    |
|    haiticare2011@gmail.com to Mikko Syrjalahti    |
|    Re: Simple lock-in design for Oz-type me    |
|    14 Jan 14 04:34:12    |
      On Tuesday, January 14, 2014 2:23:48 AM UTC-5, Mikko Syrjalahti wrote:       > hai@gmail.com writes:       >        >        >        > > On Monday, January 13, 2014 12:31:22 PM UTC-5, Phil Hobbs wrote:       >        > >> This is all just math, you don't have to wave a dead chicken over it.       >        > > Well, if you average as you say, then you are including the accumulated       noise plus signal portion, ie, the entire empire state building. But if you       subtract this dead portion, that would be the noise floor at 30,000 or so in       Horowitz, then you have        the signal at high SNR. The signal emerges in his example after 100,000       sweeps, so you do not need anything below 30,000 or so. Above that it's all       clean signal. An overall average will include the noise as well.        >        >        >        > Phil is too modest to push you his book. You really should buy his       >        > excellent book 'Building Electro-Optical Systems: Making It all Work',       >        > ISBN 0470402296.        >        >        >        > It covers optics, electronics and signal processing and I'm sure you'd        >        > find it very useful to your project!       >        >        >        > --        >        > Mikko OH2HVJ              Dear Mikko,       Phil may be too smart to swing his weight around like that, did that occur to       you? On a personal note, I will tell you how to free your mind from its       shackles, so that neither an AK47 pointed at your head, nor Richard Feynman in       person, nor anything at        all will bother you in the least. You will know who you are, and have personal       power. However, I'm not interested in endless debates.       How do you like Finland? I have been impressed with the several scientists       from Finland I have worked with.       take care       JB              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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