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N-line laser radar scanning system and method

A radar scanning and line laser technology, which is applied in the field of laser scanning, can solve the problems of complex maintenance process, complex structure and high cost, and achieve the effects of fast scanning speed, low device cost and simple structure.

Pending Publication Date: 2021-11-02
HUAZHONG UNIV OF SCI & TECH
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Problems solved by technology

[0003] Conventional lidar scanning systems are complex in structure and high in cost, and the price increases geometrically with the increase of radar harnesses, and the maintenance process is very complicated once damaged

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  • N-line laser radar scanning system and method

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Embodiment Construction

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0027] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0028] The invention provides an N-line laser radar scanning system, such as figure 1 shown. The N-line laser radar scanning system includes a laser light source 1 and a two-dimensional scanning subsystem. The tw...

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Abstract

The invention discloses an N-line laser radar scanning system and method. The scanning system comprises a laser light source and a two-dimensional scanning subsystem; the two-dimensional scanning subsystem comprises an optical switch, a collimating lens and a reflector; the output end of the laser light source is connected with the input end of the optical switch, the output end of the optical switch is connected with one side of the collimating lens, and a reflector is arranged on the other side of the collimating lens. The structure of a conventional laser radar scanning system is simplified, the manufacturing cost of multi-line laser radar is greatly reduced, the maintenance process is simple and convenient, and a thought is provided for popularization of the high-performance multi-line laser radar.

Description

technical field [0001] The invention relates to the technical field of laser scanning, in particular to an N-line laser radar scanning system and method. Background technique [0002] Lidar is a measurement technology that calculates and analyzes the position and velocity information of the target by irradiating the target with laser light and receiving the reflected pulse signal with a photoelectric detector. It can produce digital three-dimensional information of the target according to the difference in return time and frequency of the laser after being reflected by the target. This is a modern target detection method that deeply integrates laser technology and advanced photoelectric detection technology. Compared with the traditional microwave radar, the emission light source of the lidar has become a laser with a shorter wavelength, which makes the ranging accuracy of the lidar reach several centimeters. As unmanned driving technology has put forward higher requirement...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S17/89
CPCG01S17/89
Inventor 国伟华娄家俊张功陆巧银
Owner HUAZHONG UNIV OF SCI & TECH
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