Aftershock eliminating circuit, ultrasonic sensor chip and automobile radar device

The embodiment of the utility model provides an aftershock elimination circuit, an ultrasonic sensor chip and an automobile radar device, and the aftershock elimination circuit comprises an oscillation signal generation circuit which is used for generating an oscillation signal; the ultrasonic trans...

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG JIANYUN, KANG ZEHUA, LIU XIACONG, LIU SHASHA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING
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Beschreibung
Zusammenfassung:	The embodiment of the utility model provides an aftershock elimination circuit, an ultrasonic sensor chip and an automobile radar device, and the aftershock elimination circuit comprises an oscillation signal generation circuit which is used for generating an oscillation signal; the ultrasonic transducer is electrically connected with the oscillation signal generation circuit and is used for generating an ultrasonic signal according to the oscillation signal and detecting an echo signal of the ultrasonic signal; the echo signal processing circuit is electrically connected with the ultrasonic transducer and is used for receiving and processing the echo signal; and the aftershock eliminating circuit is electrically connected with the ultrasonic transducer and is used for generating an aftershock eliminating signal according to the aftershock signal of the ultrasonic transducer so as to counteract or weaken the aftershock of the ultrasonic transducer. In the embodiment of the invention, the aftershock eliminatio