Vehicle obstruction detection system

The radar system comprises in combination: a device for transmitting a pair of FM-CW radar signals, a device for transmitting a CW radar signal, a device for receiving the transmitted FM-CW and CW radar signals reflected from the target. The radar system also incorporates a device for determining a...

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Bibliographische Detailangaben
Hauptverfasser:	LIEM, FIE AN, ZHANG, ZHAOHONG, SHORKEY, MICHAEL JOHN
Format:	Patent
Sprache:	eng ; fre ; ger
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 PERFORMING OPERATIONS PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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Beschreibung
Zusammenfassung:	The radar system comprises in combination: a device for transmitting a pair of FM-CW radar signals, a device for transmitting a CW radar signal, a device for receiving the transmitted FM-CW and CW radar signals reflected from the target. The radar system also incorporates a device for determining a first apparent relative velocity of the target from the received FM-CW radar signals, a device for determining a second apparent relative velocity of the target from the received CW radar signal, and a device for comparing the first and second apparent relative velocities in magnitude to thereby determine from the difference therebetween whether the target is a hazard.