DETECTION OF TONES IN SAMPLED SIGNALS
DETECTION OF TONES IN SAMPLED SIGNALS A tone detector in the form of a digital correlator is disclosed in which PCM signal samples are delayed in a RAM for the correlation period. Using PROMs, the products of the current and delayed samples with samples of a sine signal at the frequency to be detect...
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| Format: | Patent |
| Sprache: | eng ; fre |
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