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Laser detection method and system

A technology for laser detection and object detection, which is applied in the direction of radio wave measurement systems, instruments, etc., can solve the problems of inaccurate detection distance, inaccurate detection target parameters, and potential safety hazards, so as to ensure accuracy and reliability, The effect of enhancing the anti-interference ability

Active Publication Date: 2021-12-17
CLOUDMINDS SHANGHAI ROBOTICS CO LTD
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Problems solved by technology

As a result, the target parameters of the obtained detection object may be inaccurate, for example, the obtained distance of the detection object may be inaccurate, which may pose a safety hazard

Method used

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  • Laser detection method and system
  • Laser detection method and system
  • Laser detection method and system

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Embodiment Construction

[0022] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present disclosure as recited in the appended claims.

[0023] Such as Figure 1A to Figure 1C As shown, the laser detection system in the present disclosure may include a plurality of laser emitting units, a plurality of laser receiving units corresponding to the plurality of laser emitting units, and a plurality of processing units corresponding to the plurality of laser receiving units.

[0024] In an implementation manner, the above-me...

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Abstract

The present disclosure relates to a laser detection method and system. The method includes: in the same detection period, each laser emitting unit generates a laser signal respectively, and sends the laser signal to the detection object, wherein, when multiple laser emitting units generate laser signals in the same way, they emit the laser signal The times are different from each other. When multiple laser emitting units emit laser signals at the same time, the methods of generating laser signals are different from each other; each laser receiving unit receives the echo signal returned by the laser signal through the detection object, and obtains the laser signal The echo signal matching the signal; the processing unit determines the target parameters of the detection object according to the laser signal sent by the laser emitting unit and the echo signal matching the laser signal. Therefore, the laser receiving unit can accurately identify the echo signal matched with the laser signal, which enhances the anti-interference ability of the laser radar, and can ensure the accuracy and reliability of the acquired target parameters of the detected object.

Description

technical field [0001] The present disclosure relates to the field of laser radar, in particular to a laser detection method and system. Background technique [0002] The current laser radar equipment basically works in the 905nm near-infrared band. Its working principle is to emit multiple laser signals to the detection object, and then obtain multiple echo signals and corresponding laser signals received by the detection object. The target parameters of the detected object, such as distance, azimuth, height, speed, attitude, shape, etc. If adjacent platforms (such as vehicles or flying objects) or other nearby platforms are equipped with the same type of lidar, the beams will interfere with each other, and the lidar cannot distinguish its own beam from the interference beam, that is, different lidars will interact with each other signal interference. Moreover, when the lidar is a multi-line (for example, 16-line, 32-line, 64-line, 128-line, 256-line, etc.) lidar, each li...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S7/487
CPCG01S7/487
Inventor 牟涛涛黄晓庆骆磊
Owner CLOUDMINDS SHANGHAI ROBOTICS CO LTD
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