SIGNAL DETECTION CIRCUIT AND SENSOR WITH INTERFEROMETER CIRCUIT TO SENSITIVELY DETECT SMALL VARIATION IN SIGNAL SIZE

SIGNAL DETECTION CIRCUIT AND SENSOR WITH INTERFEROMETER CIRCUIT TO SENSITIVELY DETECT SMALL VARIATION IN SIGNAL SIZE

The present exemplary embodiments provide a signal detection circuit and a sensor which improve a quality factor of a resonator by modeling an initial state of the resonator using an attenuator and a phase shifter which are modeling paths and significantly change a transmission coefficient of the re...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: JANG, Chorom, PARK, Jinkwan, YOOK, Jonggwan
Format: Patent
Sprache:eng
Schlagworte:
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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Beschreibung
Zusammenfassung:The present exemplary embodiments provide a signal detection circuit and a sensor which improve a quality factor of a resonator by modeling an initial state of the resonator using an attenuator and a phase shifter which are modeling paths and significantly change a transmission coefficient of the resonator even with a small variation of an object to be measured.