Radar sensor device having at least one planar antenna device

A radar sensor device having at least one planar antenna device that includes a plurality of vertically oriented antenna columns which are configured as a sparse array in one plane in parallel at defined mutual distances and which each have at least two line-fed patch elements, the sparse array of a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KUEHNLE GOETZ, GROSS VOLKER
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES ANTENNAS, i.e. RADIO AERIALS BASIC ELECTRIC ELEMENTS DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRICITY 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:	A radar sensor device having at least one planar antenna device that includes a plurality of vertically oriented antenna columns which are configured as a sparse array in one plane in parallel at defined mutual distances and which each have at least two line-fed patch elements, the sparse array of antenna columns is designed to have such a minimal redundancy that the amount of defined distances among the antenna columns in the sparse array is at least equal to all of the different distances between any two antenna columns of a corresponding non-sparse array of a planar antenna device having the same antenna aperture and the same characteristics of the antenna columns, but is the most minimum possible number.