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Radar

A radar, transmitting antenna technology, applied in the field of radar, can solve the problem of large influence of weather factors

Pending Publication Date: 2018-07-10
BEIJING AUTOROAD TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present invention provides a radar to at least solve the technical problem in the related art that the two-dimensional image data of the surrounding environment of the car obtained by using the camera as a sensor is greatly affected by weather factors

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Embodiment 1

[0031] According to an embodiment of the present invention, a radar is provided, figure 1 is a schematic diagram of an optional radar according to an embodiment of the present invention, such as figure 1 As shown, the radar includes: at least one transmitting antenna for transmitting electromagnetic wave signals, wherein the wavelength band of the electromagnetic wave signal is the millimeter wave frequency band to detect objects around the vehicle; at least one receiving antenna for receiving The echo signal reflected by the surrounding target objects, the wavelength frequency band of the echo signal is the millimeter wave frequency band; wherein, at least one transmitting antenna and at least one receiving antenna are arranged on the same straight line according to a predetermined distance, so that the radar can detect the surroundings of the vehicle A two-dimensional radar image is generated after the target object.

[0032] That is, a radar including one or more transmitt...

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Abstract

The invention discloses radar. The radar comprises at least one transmitting antenna and at least one receiving antenna, wherein the at least one transmitting antenna is used for transmitting an electromagnetic wave signal so as to detect a target object around a transportation vehicle, and the wavelength band of the electromagnetic wave signal is a millimeter wave band; the at least one receivingantenna is used for receiving an echo signal reflected by the target object around the transportation vehicle, and the wavelength band of the echo signal is a millimeter wave band; the at least one transmitting antenna and the at least one receiving antenna are arranged on the same straight line according to a predetermined distance so as to enable the radar to generate a two-dimensional radar image after detecting the target object around the transportation vehicle. The radar disclosed by the invention solves a technical problem that the operation of taking a camera as a sensor to obtain two-dimensional image data of the environment around an automobile is greatly influenced by weather factors in the related art.

Description

technical field [0001] The present invention relates to the field of radar, in particular to a radar. Background technique [0002] Using the sensors installed on the car, the two-dimensional image data around the car can be collected and analyzed at any time during driving, so that the driver can be aware of possible dangers in advance, which can effectively increase the comfort and safety of car driving. [0003] In the prior art solutions, the visual camera is mainly used to perceive the surrounding environment of the car. The technical principle is to monitor the objects around the car in real time through the camera, and at the same time use an algorithm to calculate the distance between the object and the vehicle, so as to realize functions such as lane departure warning, front vehicle collision avoidance, and pedestrian detection. However, using the visual camera as a sensor to obtain two-dimensional image data of the surrounding environment of the car has the disadv...

Claims

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Application Information

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IPC IPC(8): G01S13/93
CPCG01S13/931
Inventor 戴春杨于彬彬
Owner BEIJING AUTOROAD TECH CO LTD