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Antenna device for receiving electromagnetic waves and method for operating an antenna device for receiving electromagnetic waves

An antenna device and technology for receiving antennas, applied in the field of antenna devices for receiving electromagnetic waves and antenna devices for operating to receive electromagnetic waves, to achieve low technical cost and improve measurement accuracy

Active Publication Date: 2016-12-21
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This effect may occur multiple times in succession

Method used

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  • Antenna device for receiving electromagnetic waves and method for operating an antenna device for receiving electromagnetic waves
  • Antenna device for receiving electromagnetic waves and method for operating an antenna device for receiving electromagnetic waves
  • Antenna device for receiving electromagnetic waves and method for operating an antenna device for receiving electromagnetic waves

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Embodiment Construction

[0033] figure 1 A schematic side view of an antenna device 10 according to an embodiment of the invention is shown.

[0034] The antenna device 10 for receiving electromagnetic waves includes a carrier 20 with an outer side 22 . On the outer side 22 , in particular on the outer side 22 , a receiving antenna arrangement 30 for receiving electromagnetic waves having a first polarization 50 is arranged.

[0035] In addition, at least one repolarization device 40 is arranged on the outer side 22 of the carrier 20 , in particular at the outer side 22 , which is designed to be present on this repolarization device 40 with a first Electromagnetic waves of polarization 50 are re-emitted as electromagnetic waves having a second polarization 52 . Arranged on the outer side 22 , in particular at a distance therefrom, is a filter device 60 which is designed to absorb electromagnetic waves having the second polarization 52 .

[0036] figure 2 A schematic side view of an antenna device 1...

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PUM

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Abstract

An antenna device (10; 100) for receiving electromagnetic waves and a method for operating an antenna device. The antenna device is fashioned having: a bearer (20); at least one receive antenna device situated at an external side of the bearer (20), for receiving electromagnetic waves having a first polarization (50); at least one repolarization device (40; 40) situated at the external side of the bearer and fashioned to re-emit electromagnetic waves impinging on the repolarization device having the first polarization (50) as electromagnetic waves having a second polarization (52); and a filter device (60) situated at the external side (22) of the bearer (20) and fashioned to absorb electromagnetic waves having the second polarization.

Description

technical field [0001] The invention relates to an antenna arrangement for receiving electromagnetic waves, in particular radar waves or millimeter waves, and to a method for operating an antenna arrangement for receiving electromagnetic waves, in particular radar waves or millimeter waves. The antenna arrangement and the method are designed in particular to attenuate or suppress multiple reflections between the antenna and one or more coverings. Background technique [0002] Radar sensors are often used to detect the surrounding environment surrounding the radar sensor. If the radar sensor is arranged on a vehicle, it detects, for example, the surroundings of the vehicle. For this purpose, radar sensors emit electromagnetic waves with specific wave parameters, such as frequency and / or modulation. The emitted electromagnetic waves are reflected by possible foreign objects in the surroundings of the radar sensor. A part of the reflected electromagnetic waves is received by...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S7/03H01Q15/24H01Q23/00G01S13/931
CPCG01S7/03H01Q15/242H01Q23/00H01Q1/525G01S7/024G01S7/292G01S13/931H01Q1/3233H01Q1/42H01Q17/005G01S2013/93275
Inventor J·迈尔S·班瓦尔特W·哈夫拉J·哈施T·宾策尔W·泽格尔C·波特拉茨M·吉尔马
Owner ROBERT BOSCH GMBH
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