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Radar and vehicle

A radar and transmitting antenna technology, applied in the field of radar, can solve the problems that no solution is proposed, the antenna does not have broadband characteristics, and cannot distinguish small objects such as pedestrians, etc., so as to improve the distance resolution and solve the problem of low distance resolution Effect

Pending Publication Date: 2018-07-27
BEIJING AUTOROAD TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in the scenarios of civilian vehicles such as automobiles, the general 24GHz and 77GHz radars have a working bandwidth from 100MHz to 1GHz, and a range resolution from 1.5m to 0.15m. The combined long-range and short-range radar generally has a bandwidth of no more than 500MHz. However, this distance resolution cannot achieve the ability to distinguish small objects such as pedestrians, and the antenna used by the radar does not have broadband characteristics.
[0003] For the above problems, no effective solution has been proposed

Method used

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Embodiment 1

[0023] According to an embodiment of the present invention, a radar embodiment is provided, figure 1 is a schematic diagram of an optional radar according to an embodiment of the present invention; as figure 1 As shown, the radar includes: at least one transmitting antenna for sending electromagnetic wave signals to detect targets around the radar; at least one receiving antenna for receiving echo signals, wherein the echo signals are received by targets around the radar After the electromagnetic wave signal emitted by the transmitting antenna is fed back, the echo signal carries the information of the target around the radar; the conversion module ( figure 1 not shown in ) for switching the long-range detection mode and the short-range detection mode of at least one transmitting antenna in the azimuth direction, and switching the long-range detection mode and the short-range detection mode of at least one receiving antenna in the azimuth direction.

[0024] That is, multiple...

Embodiment 2

[0037] According to another aspect of the present invention, a vehicle is also provided, including: a radar, wherein the radar is arranged on the vehicle. The radar includes: at least one transmitting antenna for sending electromagnetic wave signals to detect targets around the radar; at least one receiving antenna for receiving echo signals, wherein the echo signals are received by the targets around the radar from the transmitting antenna After the emitted electromagnetic wave signal is fed back, the echo signal carries the information of the target around the radar; the conversion module is used to switch the long-range detection mode and the short-range detection mode of at least one transmitting antenna in the azimuth direction, and switch A long-range detection mode and a short-range detection mode of the at least one receiving antenna in the azimuth direction. Optionally, in the long-distance detection mode, at least one transmitting antenna is a first narrow-beam anten...

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PUM

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Abstract

The invention discloses a radar and a vehicle. The radar includes at least one transmitting antenna for transmitting an electromagnetic wave signal to detect a target object around the radar; at leastone receiving antenna for receiving an echo signal, the echo signal being a signal fed back by the target object around the radar after receiving the electromagnetic wave signal transmitted by the transmitting antenna, and the echo signal carrying information of the target object around the radar; and a conversion module for switching a remote detection mode and a proximity detection mode of theat least one transmitting antenna in an azimuth direction, and switching the remote detection mode and the proximity detection mode of the at least one receiving antenna in the azimuth direction. Theinvention solves the technical problem that the distance resolution of the radar is low in the related art.

Description

technical field [0001] The invention relates to the field of radar, in particular to a radar and a vehicle. Background technique [0002] At present, in the scenarios of civilian vehicles such as automobiles, the general 24GHz and 77GHz radars have a working bandwidth from 100MHz to 1GHz, and a range resolution from 1.5m to 0.15m. The combined long-range and short-range radar generally has a bandwidth of no more than 500MHz. However, this distance resolution cannot achieve the ability to distinguish small objects such as pedestrians, and the antenna used by the radar does not have broadband characteristics. [0003] For the above problems, no effective solution has been proposed yet. Contents of the invention [0004] Embodiments of the present invention provide a radar and a vehicle, so as to at least solve the technical problem of low range resolution of the radar in the related art. [0005] According to an aspect of an embodiment of the present invention, a radar is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S7/03G01S13/93
CPCG01S7/03G01S13/931
Inventor 高明亮于彬彬赵捷
Owner BEIJING AUTOROAD TECH CO LTD
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