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Laser radar system and detection method

A laser radar and laser technology, applied in the field of laser radar system and detection, can solve the problem of insufficient detection distance of solid-state flash laser radar

Active Publication Date: 2020-11-06
SUTENG INNOVATION TECH CO LTD
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] Based on this, it is necessary to provide a laser radar system and detection method for the problem of insufficient detection distance of solid-state flash laser radar

Method used

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

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Embodiment Construction

[0052] In order to make the above purpose, features and advantages of the present application more obvious and understandable, the specific implementation manners of the present application will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the application. However, the present application can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present application. Therefore, the present application is not limited by the specific implementation disclosed below.

[0053] It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another elem...

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Abstract

The invention relates to a laser radar system and a detection method. In the laser radar system, a transmitting module comprises at least one transmitting unit used for transmitting emergent laser. The detection module at least comprises a first detection unit and a second detection unit. The first detection unit is used for receiving echo laser returned by an object in a first field angle after reflection; and the second detection unit is used for receiving echo laser returned after the object in the second field angle is reflected, and the distance measurement range in the second field angleis greater than the distance measurement range in the first field angle, so that reasonable division of the whole field of view of the detection area can be realized. Therefore, the laser radar system can improve the range finding range in the second field angle while guaranteeing the range finding range in the first field angle, thereby improving the overall detection performance of the laser radar system. And the processing module is used for processing the echo laser received by the detection module so as to realize detection of a target in a detection area.

Description

technical field [0001] The present application relates to the technical field of laser radar, in particular to a laser radar system and detection method. Background technique [0002] The transmitting end of the solid-state flash lidar emits an area array laser, and the area array laser is incident on the detection target and scattered by the detection target, and its receiving end records the pixel points to record the photon time-of-flight information. Therefore, solid-state flash lidar can be applied to near-field blindness compensation, obstacle avoidance and early warning of vehicles in the field of autonomous driving. [0003] However, solid-state flash lidar is difficult to achieve long-distance detection due to its transmission and reception characteristics. However, the detection requirements in practical applications are not uniform, and both far-field and near-field detection are often required. Contents of the invention [0004] Based on this, it is necessary...

Claims

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Application Information

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IPC IPC(8): G01S7/481
CPCG01S7/4815G01S7/4816Y02A90/10
Inventor 王超
Owner SUTENG INNOVATION TECH CO LTD
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