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Radar device and detection device

A radar and signal detection technology, applied in the field of radar, can solve the problem of no solution, can not distinguish small objects such as pedestrians at close range, etc., to achieve the effect of wide signal bandwidth, improved range resolution, and low range resolution.

Pending Publication Date: 2018-06-26
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 distance resolution from 1.5m to 0.15m, but this distance resolution cannot achieve short-distance discrimination such as pedestrians Ability to wait for small objects
[0003] For the above problems, no effective solution has been proposed

Method used

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  • Radar device and detection device
  • Radar device and detection device
  • Radar device and detection device

Examples

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Embodiment 1

[0022] 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, wherein the transmitting antenna is a first broadband antenna for sending detection signals to detect objects; at least one receiving antenna, wherein the receiving antenna is a second broadband antenna for receiving The echo signal, wherein the echo signal is fed back by the target object after receiving the detection signal transmitted by the transmitting antenna, and the echo signal carries information of the target object.

[0023] That is, multiple transmitting antennas and receiving antennas are respectively used at the transmitting end and the receiving end of the radar, so that signals are transmitted and received through the multiple antennas at the transmitting end and the receiving end. Moreover...

Embodiment 2

[0035] According to another aspect of the present invention, a detection device is also provided, including: a vehicle; and a radar, wherein the radar is arranged on the vehicle. The radar includes: at least one transmitting antenna, wherein the transmitting antenna is a first wideband antenna for sending detection signals to detect objects; at least one receiving antenna, wherein the receiving antenna is a second wideband antenna for receiving echo signals , wherein the echo signal is fed back by the target object after receiving the detection signal emitted by the transmitting antenna, and the echo signal carries the information of the target object. Optionally, the first broadband antenna includes: at least one first broadband antenna unit, used to transmit signals; a broadband feed network, connected to the at least one first broadband antenna unit, and used to implement an interface for the at least one first broadband antenna unit Surface weighting, and / or, the second br...

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Abstract

The invention discloses a radar device and a detection device. The radar device comprises at least one transmission antenna and at least one reception antenna, wherein the transmission antenna is a first broadband antenna and is used for transmitting a detection signal to detect a target object, the reception antenna is a second broadband antenna and is used for receiving an echo signal, the echosignal is fed back by the target object after the detection signal transmitted by the transmission antenna is received, and the echo signal contains the information of the target object. The radar device is advantaged in that a technical problem of low distance resolution of a radar device in the prior art is solved.

Description

technical field [0001] The invention relates to the field of radar, in particular to a radar and a detection device. 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 distance resolution from 1.5m to 0.15m, but this distance resolution cannot achieve short-distance discrimination such as pedestrians The ability to wait for small objects. [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 detection device, 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 provided, including: at least one transmitting antenna, wherein the above-mentioned transmitting antenna is a first broadband an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S13/93G01S13/88
CPCG01S13/88G01S13/931
Inventor 高明亮于彬彬赵捷
Owner BEIJING AUTOROAD TECH CO LTD
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