DETECTOR AND METHOD FOR DETECTING AN OSCILLATORY SIGNAL AMONG NOISE

DETECTOR AND METHOD FOR DETECTING AN OSCILLATORY SIGNAL AMONG NOISE

A signal detector is configured to detect a signal of interest in a received signal. The received signal may comprise noise. The signal of interest is oscillatory at least during one or more time segments. The signal detector comprises a frequency discriminator arranged to determine an instantaneous...

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1. Verfasser: DELBECQ, Dominique
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Sprache:eng ; fre ; ger
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
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description A signal detector is configured to detect a signal of interest in a received signal. The received signal may comprise noise. The signal of interest is oscillatory at least during one or more time segments. The signal detector comprises a frequency discriminator arranged to determine an instantaneous frequency of the received signal, an evaluator arranged to determine an amount of change of the instantaneous frequency during a test interval, and a comparator arranged to determine whether the amount of change is below a given threshold. The signal of interest may be digitally modulated. In this case the test interval may be shorter than the duration of one data bit in the signal of interest. In a related aspect, a signal transmission system comprises a signal generator for generating a signal of interest and a signal detector for detecting the signal of interest in a received signal. A method of detecting a signal of interest in a received signal is also proposed.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
title DETECTOR AND METHOD FOR DETECTING AN OSCILLATORY SIGNAL AMONG NOISE
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