Title:
VEHICLE REAR SIDE RADAR ANTENNA ARRAY AND PLANAR ARRAY ANTENNA
Document Type and Number:
WIPO Patent Application WO/2018/233263
Kind Code:
A1
Abstract:
The present invention relates to a vehicle rear side radar antenna array, comprising a plurality of first antenna units and a feed structure, the plurality of first antenna units forming an in-line array and being connected by a microstrip; the feed structure being arranged in the center of symmetry of the plurality of antenna units; and each antenna unit having a first groove at the front end and a second groove at the rear end. A plurality of in-line antenna arrays constitute a planar array antenna having a transmitting antenna portion and a receiving antenna portion. The beneficial technical effects of the present invention are as follows: 1) a traveling wave series-fed microstrip line array is adopted to widen the working bandwidth, with a structure that is compact and easy to integrate into a sensor; 2) emission direction pattern detection capability is optimized according to an approximate super-cosecant squared distribution, high gain is provided in directions needing long-distance detection, and reduced gain is provided in directions without the need for long-distance detection, better meeting detection capability requirements of radar systems; and 3) by using a receiving antenna scheme of three antennas with long and short baselines, sufficient accuracy of angle measurements can be ensured.
Inventors:
GAO JINRUI (CN)
ZHOU LIFU (CN)
ZHOU LIFU (CN)
Application Number:
PCT/CN2017/118385
Publication Date:
December 27, 2018
Filing Date:
December 25, 2017
Export Citation:
Assignee:
HUIZHOU DESAY SV AUTOMOTIVE CO LTD (CN)
International Classes:
H01Q21/12
Foreign References:
| CN107453043A | 2017-12-08 | |||
| CN106505312A | 2017-03-15 | |||
| CN106450739A | 2017-02-22 | |||
| CN106207494A | 2016-12-07 | |||
| CN201804998U | 2011-04-20 | |||
| CN105161861A | 2015-12-16 | |||
| US4450448A | 1984-05-22 | |||
| US7167129B1 | 2007-01-23 | |||
| US5081467A | 1992-01-14 |
Attorney, Agent or Firm:
YOGO PATENT & TRADE MARK AGENCY LIMITED COMPANY (CN)
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