Lidar signal processing apparatus and method

A signal processing device and technology for receiving signals, which are applied in measurement devices, re-radiation of electromagnetic waves, utilization of re-radiation, etc., can solve problems such as being very sensitive to the influence of environmental conditions, and achieve the effect of minimizing mutual interference

Pending Publication Date: 2019-05-03
HYUNDAI MOBIS CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0007] However, there is a problem in LIDAR devices that since they use technology that emits light and analyzes signals from reflected light, the signal from the generated and received light is very sensitive to the influence of environmental conditions

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  • Lidar signal processing apparatus and method
  • Lidar signal processing apparatus and method
  • Lidar signal processing apparatus and method

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Embodiment Construction

[0026] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0027] It should be understood that since the embodiments of the present invention are provided to more fully explain the present invention to those skilled in the art, the following embodiments may be modified in various forms, and thus the scope of the present invention is not limited to these examples. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and fully convey the spirit of the invention to those skilled in the art. Also, in the drawings, the thickness and size of each layer may be exaggerated for convenience and clear explanation.

[0028] In the following, embodiments of the present invention will be described with reference to the accompanying drawings that schematically show idealized embodiments of the present invention. In the drawings, for example, variations from the shapes shown may ...

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Abstract

Provided are a LIDAR signal processing apparatus and a LIDAR signal processing method. The LIDAR signal processing apparatus comprises: an inherent history pulse wave applying unit for applying a first pulse wave combination to a laser diode, the first pulse wave combination having an inherent history which includes a combination of an inherent pulse period and an inherent pulse variation value; areceived history detecting unit for detecting a received signal period and a received signal variation value of a reflected wave received by a photodiode; an inherent pulse wave discriminating unit for deciding whether or not the received signal period and the received signal variation value coincide with the inherent history; and an effective data processing unit for measuring a distance using effective data when the received signal period and the received signal variation value coincide with the inherent history.

Description

[0001] Cross references to related patent applications [0002] This application claims priority to Korean Patent Application No. 10-2017-0139381 filed in the Korean Intellectual Property Office on October 25, 2017, the disclosure of which is incorporated herein by reference in its entirety. technical field [0003] The present invention may relate to a LIDAR signal processing device and a LIDAR signal processing method, and more particularly to a LIDAR signal processing device and a LIDAR signal processing method capable of accurately measuring a distance to a measurement object using an optical device. Background technique [0004] LIDAR (Light Detection and Ranging) refers to the use of light to detect objects and measure the distance to them. LIDAR is functionally similar to RADAR (Radio Detection and Ranging), but differs in that it uses light whereas RADAR uses radio waves. Therefore, it is also called "optical radar". Due to the difference in the Doppler effect betw...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S17/10G01S7/4861
CPCG01S17/10Y02A90/10G01S17/894G01S7/4808G01S7/4861
Inventor 房成训
Owner HYUNDAI MOBIS CO LTD
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