Vehicle radar system with T-shaped slot antennas

A radar sensing system for a vehicle includes a radar sensor disposed at the vehicle so as to have a field of sensing exterior of the vehicle. The radar sensor includes a plurality of transmitters that transmit radio signals, a plurality of receivers that receive radio signals, and a plurality of an...

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Bibliographische Detailangaben
Hauptverfasser:	Gentili, Fabrizio, Wöhlte, Wilhelm Johann Wolfgang
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES ANTENNAS, i.e. RADIO AERIALS ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING ORSUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES INGENERAL BASIC ELECTRIC ELEMENTS CONTROLLING DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRICITY LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PERFORMING OPERATIONS PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION REGULATING SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES TESTING TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A radar sensing system for a vehicle includes a radar sensor disposed at the vehicle so as to have a field of sensing exterior of the vehicle. The radar sensor includes a plurality of transmitters that transmit radio signals, a plurality of receivers that receive radio signals, and a plurality of antennas that communicate the radio signals to the receivers and from the transmitters. The received radio signals are transmitted radio signals that are reflected from an object. A processor is operable to process outputs of the receivers to detect the object. At least some of the antennas of the radar sensor include non-rectangular slot antennas each having a slot that includes a longitudinal portion and a transverse portion that extends transverse in at least one direction from the longitudinal portion. The non-rectangular slot provides an enhanced radiation pattern of the transmitted radio signals.