Signal processor and signal processing method

A signal processor includes a signal receiving circuit, a pre-processing circuit, a period acquisition circuit, and a decoding circuit. The signal receiving circuit is configured to receive an input signal. The pre-processing circuit is configured to generate a square wave signal according to the in...

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Bibliographische Detailangaben
Hauptverfasser:	LIN, BONG, CHU, YUAN-JIH, CHEN, LIUNG, LIN, CHIAANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATIONOF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES BASIC ELECTRONIC CIRCUITRY CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING TRANSMISSION
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Beschreibung
Zusammenfassung:	A signal processor includes a signal receiving circuit, a pre-processing circuit, a period acquisition circuit, and a decoding circuit. The signal receiving circuit is configured to receive an input signal. The pre-processing circuit is configured to generate a square wave signal according to the input signal. The period acquisition circuit is configured to capture several periods of the square wave signal. The several signal periods includes several signal period groups, and each of the several signal period groups includes at least two signal periods of the several signal periods. The at least two signal periods are adjacent to each other. The decoding circuit is coupled to the period acquisition circuit and is configured to perform decoding according to a time length and a number of times of voltage value change of the several signal period groups to obtain a decoding result.