Method for detecting a signal contaminated by additive gaussian noise and a detector using the method
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United States of America Patent
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Issued Date -
Oct 27, 2005
app pub date -
Jun 6, 2005
filing date -
Apr 29, 2002
priority date (Note) -
Abandoned
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Abstract
A method for detecting a single or multi dimensional signal contaminated by additive Gaussian noise, and a detector using the method. The signal is an amplitude modulated sinusoid with known, but arbitrary, envelope and carrier frequency, but unknown uniform phase angle. The method comprises the step of calculating the integral for the likelihood ratio 1 L ( X ) = 1 2 - L ( X ) analytically or numerically without limiting assumptions, and to make a comparison with a threshold value for deciding the question of detection.
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