Vehicle radar system

A technology for radar systems and vehicles, applied to radio wave measurement systems, using re-radiation, radio wave reflection/re-radiation, etc., can solve problems such as increasing complexity and increasing production costs, and achieve the effect of reducing production costs
CN107515399AActive Publication Date: 2017-12-26WISTRON NEWEB
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
WISTRON NEWEB
Publication Date
2017-12-26

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Abstract

A vehicle radar system includes a plurality of transmission sub-arrays, wherein the plurality of transmission sub-arrays are symmetrical with respect to a symmetry axis and the plurality of transmission sub-arrays are parallel to the symmetry axis. The vehicle radar system further includes a transmission power splitter which is coupled to the plurality of transmission sub-arrays for respectively applying a plurality of phases and a plurality of amplitudes corresponding to the plurality of transmission sub-arrays to the plurality of transmission sub-arrays; wherein among the plurality of transmission sub-arrays, a first transmission sub-array which is closest to the symmetry axis and a second transmission sub-array which is farthest from the symmetry axis have a phase difference between 120 degrees and 180 degrees. The vehicle radar system of the present invention can simultaneously meet the system requirements of the LCA system, the DOW system, the RCTA system and the BSD system, thereby reducing the production cost and the complexity in system integration.
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Description

technical field

[0001] The invention relates to a vehicle radar system, in particular to a vehicle radar system capable of simultaneously detecting vehicles coming from the rear and sides of the vehicle. Background technique

[0002] With the enhancement of traffic safety awareness, vehicle safety equipment is becoming more and more diversified. In addition to active and passive safety systems (such as anti-deadlock braking system, braking force distribution system, tracking system, electronic stability system, auxiliary airbag, etc.), early warning The protection system has also gradually received attention. The early warning and protection system detects the traffic conditions behind or on the side of the vehicle through the radar system, and then actively sends out warning lights or warning sounds and other information to the driver, so that the driver can determine the driving direction according to the warning results, thereby avoiding traffic accidents. .

[0003] Co...

Claims

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