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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 band of the echo signal is the millimeter wave 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 surrounding area of ​​the vehicle A two-dimensional radar image is generated after the target object, and the radar is installed at the rear end of the vehicle to detect the t...

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Abstract

The invention discloses a radar. The radar comprises at least one transmitting antenna which is used for transmitting electromagnetic wave signals, wherein the wavelength band of the electromagnetic wave signals is the millimeter wave band so as to detect the surrounding target object of the traffic tool; and at least one receiving antenna which is used for receiving echo signals reflected by thesurrounding target object of the traffic tool, wherein the wavelength band of the echo signals is the millimeter wave band, and at least one transmitting antenna and at least one receiving antenna arearranged on the same straight line according to the preset distance so that the radar is enabled to detect the surrounding target object of the traffic tool to generate a two-dimensional radar image.The radar is installed on the rear end of the traffic tool so as to detect the target object behind the traffic tool. The technical problems in the related technologies that the two-dimensional imagedata of the surrounding environment of the automobile acquired by using the camera as the sensor are greatly influenced by the weather factors can be solved.

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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Patent Type & Authority Applications(China)
IPC IPC(8): G01S13/89G01S13/93G01S7/41
CPCG01S7/41G01S13/89G01S13/931
Inventor 戴春杨于彬彬
Owner BEIJING AUTOROAD TECH CO LTD