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Near-field radar device, land vehicle, aircraft or watercraft, use of a radar device, method for operating a radar device, and computer program

A radar device, near-field technology, applied in air or water vehicles, land areas

Pending Publication Date: 2020-02-11
GOTTFRIED WILHELM LEIBNIZ UNIV HANNOVER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to achieve a sufficient spatial resolution and thus a meaningful detection accuracy, the individual radar sensors would otherwise have to be arranged close to each other, for example with a distance of 1 mm between their central axes, so that this is due to the structural dimensions of the radar sensors, due to Manufacturing reasons, currently and in the foreseeable future do not appear to be achievable

Method used

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  • Near-field radar device, land vehicle, aircraft or watercraft, use of a radar device, method for operating a radar device, and computer program
  • Near-field radar device, land vehicle, aircraft or watercraft, use of a radar device, method for operating a radar device, and computer program
  • Near-field radar device, land vehicle, aircraft or watercraft, use of a radar device, method for operating a radar device, and computer program

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Embodiment Construction

[0030] figure 1 A vehicle 1 is shown, which is equipped with a control device for automatically controlling the vehicle 1 , which includes a radar device. The radar detection field of the radar device is to be shown as an example by means of the beams from the vehicle 1 . In the detection field there are other objects 2 , 3 which can be detected by the radar device. The radar device is designed as a near-field radar device, so that the objects 2 , 3 to be detected are located in the so-called near-field.

[0031] figure 2 A control device for automatically controlling a land, air or water vehicle, such as the vehicle 1 , is shown. The control device has a radar device 4 in the form of a near-field radar device, which is connected to a vehicle control unit 5 . The radar device 4 has an electronic control unit 6 as well as a plurality of radar sensors 8 which are arranged in the installation area 7 , ie are fastened there and arranged side by side in a distributed manner. ...

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Abstract

The invention relates to a near-field radar device, comprising a multiplicity of individual radar sensors which are arranged in an assembly region of the radar device in a manner distributed next to one another, wherein the radar sensors are arranged in a distributed manner in such a way that they are not arranged in a single straight line next to one another. Moreover, the invention relates to aland vehicle, aircraft or watercraft comprising a controller for autonomous control or for at least one driver assistance system of the land vehicle, aircraft or watercraft, which uses the principle of the radar with a synthetic aperture, and the use of such a radar device and also a method for operating such a radar device. Moreover, the invention relates to a computer program for carrying out the method.

Description

technical field [0001] The invention relates to a near-field radar arrangement having a large number of individual radar sensors. The invention also relates to a land, air or water vehicle with a control device for automatically controlling the land, air or water vehicle or at least one driver assistance for the land, air or water vehicle A system relates to the use of such a radar device and a method for operating such a radar device. The invention also relates to a computer program for carrying out the method. Background technique [0002] Radar devices play an important role in the field of automatic vehicle control. From WO 2017 / 050 798 A1 it is known to arrange a radar sensor on the front side of the vehicle. In order to increase the resolution, the radar method with synthetic aperture (also called synthetic aperture radar, abbreviated as SAR) is used here. [0003] A problem with such near-field radar arrangements is that the achieved spatial resolution is insuffic...

Claims

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Application Information

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IPC IPC(8): G01S13/93G01S13/42H01Q21/20H01Q21/06G01S13/90G01S13/931
CPCG01S13/42G01S13/90G01S13/931H01Q21/061
Inventor 阿伦·佐默特里·坦·恩戈约恩·奥斯特曼
Owner GOTTFRIED WILHELM LEIBNIZ UNIV HANNOVER
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