OBJECT SENSING APPARATUS, OBJECT SENSING METHOD, AND COMPUTER READABLE RECORDING MEDIUM

Number of patents in Portfolio can not be more than 2000

United States of America

APP PUB NO 20200011984A1
SERIAL NO

16483469

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An object sensing apparatus 1 includes: an emission unit 11 configured to emit an RF transmission signal in each period; a reception unit 21 configured to receive a reflected wave of the RF transmission signal as an RF reception signal; an IF signal generation unit 22 configured to generate an IF signal by mixing the RF transmission signal and the RF reception signal; a one-dimensional spectrum generation unit 23 configured to generate a one-dimensional spectrum with respect to distance obtained using the object sensing apparatus as a reference, based on the IF signal, and use the generated one-dimensional spectrum to generate a one-dimensional spectrum with fixed object reflection removed, from which a signal component caused by a reflected wave from a fixed object present in an emission range has been removed; a position detection unit 24 configured to detect a position of an object other than the fixed object based on the amplitude of the one-dimensional spectrum with fixed object reflection removed; and a displacement detection unit 25 configured to detect displacement of the object other than the fixed object, based on the phase of the one-dimensional spectrum with fixed object reflection removed, which corresponds to the position of the object other than the fixed object.

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Patent Owner(s)

Patent OwnerAddress
NEC CORPORATION7-1 SHIBA 5-CHOME MINATO-KU TOKYO 108-8001

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
ARIYOSHI, Masayuki Tokyo, JP 35 343
MATSUO, Daisuke Tokyo, JP 35 135
YAMANOUCHI, Shingo Tokyo, JP 25 187

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