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Adjust script documentation.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@6438 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
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#!/bin/sh
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# this script characterizes a single code over a narrow range of Eb/No
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# note relationship between noise standard deviation, sigma, and Eb/No:
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# Ps/Pn = 1/(2*sigma^2)
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# Ps/Pn = (Es/tau_s)/(W*No)=(Eb/R)/(tau_s*W*No)=(Eb/No)*(1/(tau_s*R*W))
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# If pulses are sent at Nyquist signaling limit, then: 1/tau_s=2*W -> tau_s*W=1/2
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# so Eb/No=(1/2*sigma^2)*(2*R) =
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# Eb/No = 1/(2*R*sigma^2)
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# If R=1/2, then Eb/No = 1/sigma^2 Right? Check this.
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set -e # Stop if an error occurs
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set -v # Echo commands as they are read
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