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Flash radar and transmitting device and detection method thereof

A launcher and radar technology, which is applied in the direction of measuring device, utilization of re-radiation, re-radiation of electromagnetic waves, etc., can solve the problem of limited detection distance of Flash lidar

Pending Publication Date: 2019-07-30
SUTENG INNOVATION TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Based on this, it is necessary to provide a flash radar and its launch device and environmental method for the problem of limited detection distance of Flash lidar

Method used

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  • Flash radar and transmitting device and detection method thereof
  • Flash radar and transmitting device and detection method thereof
  • Flash radar and transmitting device and detection method thereof

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Embodiment Construction

[0029] In order to facilitate the understanding of the present invention, and to make the above objects, features and advantages of the present invention more obvious and understandable, the specific implementation manners of the present invention 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 full understanding of the invention, and preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive. The present invention can be implemented in many ways other than those described here, and those skilled in the art can make similar improvements without departing from the connota...

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Abstract

The invention relates to a flash radar and a transmitting device and detection method thereof. The transmitting device comprises a laser device linear array, a galvanometer array and a driving module;multiple laser devices of the laser device linear array transmit exiting signals, and galvanometers which are correspondingly arranged on the exiting optical axes of the exiting signals transmitted by the lasers one by one are used for receiving and reflecting the exiting signals transmitted by the laser devices corresponding to the galvanometers; the driving module is used for driving the galvanometer array to vibration in a reciprocating manner in the preset angle range so as to control the exiting signals to be periodically transmitted to each target region in a target field of view, and the orderly scanning on the whole target region can be accomplished in one period. A VCSEL array is used as a light source, the beam quality is good, the space energy density is high, and the exiting signal can be once transmitted to each target region in the target field of view, the energy density of the target field of view vertical to a beam propagation direction is improved, the detection distance is increased, and the detection precision is improved.

Description

technical field [0001] The invention relates to the field of lidar detection, in particular to a flash radar, a transmitting device and a detection method thereof. Background technique [0002] At present, lidar has been widely used in many fields such as depth perception, mapping and ranging, tracking measurement, weapon guidance, atmospheric monitoring, traffic management, face or gesture recognition, robot obstacle avoidance, etc. According to different scanning methods, solid-state lidar is divided into three types based on micro-electro-mechanical system (Micro-Electro-Mechanical System, MEMS), phase-controlled vibration (Optical Phase Array, OPA) and flash (Flash). [0003] Flash lidar is often based on the principle of AM continuous wave ranging, that is, the light source "illuminates" the entire field of view at one time. However, the rapid attenuation of the output signal capability of the transmitter makes it impossible to achieve a long detection distance, especi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S17/88G01S7/481G01S7/484
CPCG01S7/481G01S7/484G01S17/88
Inventor 王超
Owner SUTENG INNOVATION TECH CO LTD
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