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Field-of-view matching device and method for astronomical positioning laser radar

A laser radar and astronomical positioning technology, which is applied in the field of laser radar field of view matching and laser radar field of view matching devices to achieve fast and accurate adjustment, good real-time performance, and improved time continuity.

Active Publication Date: 2020-09-22
INNOVATION ACAD FOR PRECISION MEASUREMENT SCI & TECH CAS
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Problems solved by technology

This method has not been used in lidar

Method used

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  • Field-of-view matching device and method for astronomical positioning laser radar

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Embodiment Construction

[0025] In order to facilitate those of ordinary skill in the art to understand and implement the present invention, the present invention will be described in further detail below in conjunction with the examples. It should be understood that the implementation examples described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0026] like figure 1As shown, a field-of-view matching device for astronomical positioning lidar includes a computer 1, a driver 2, an angle adjustment frame 3, a laser 4, a mirror 5, a receiving telescope 6, a beam splitter 7, a CCD 8 and a receiving fiber 9.

[0027] The computer 1 is the core control component of the present invention, responsible for controlling the driver 2 to drive the angle adjustment frame 3, and at the same time controlling the laser 4 to generate laser light; the reflector 5 is placed on the angle adjustment frame 3, and the angle adjustment frame 3 drive...

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Abstract

The invention discloses a field-of-view matching device of astronomical positioning laser radar, which comprises a computer, and further comprises a driver, an angle adjusting frame, a laser, a reflector, a receiving telescope, a spectroscope, a CCD camera, a receiving optical fiber and a signal detection system. The invention further discloses a field-of-view matching method for the astronomicalpositioning laser radar. Through monitoring and adjustment of the laser beam orientation, the data inversion precision of the laser radar is improved, the data coherence of the laser radar is effectively improved, the device and method are suitable for a coaxial or off-axis laser radar system, and an effective scheme is provided for accurate adjustment of the laser radar.

Description

technical field [0001] The present invention relates to the field of laser radar automatic control, in particular to a field of view matching device for astronomical positioning laser radar, and also relates to a field of view matching method for astronomical positioning laser radar, which is used for precise positioning of atmospheric detection laser radar and star map . Background technique [0002] Laser has the characteristics of good monochromaticity, high brightness, and excellent directivity. The lidar formed by the interaction between laser and the atmosphere has the advantages of high spatial and temporal resolution, high detection sensitivity, and the ability to distinguish detected species. It is widely used Applied in the field of atmospheric detection. The atmospheric detection lidar system is composed of three parts: laser emission system, telescope receiving system, and signal detection system. According to whether the laser optical axis coincides with the o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S7/481
CPCG01S7/481G01S7/4818G01S7/4812Y02A90/10
Inventor 王积勤杨勇林鑫龚博文程学武季凯俊郑金州刘林美陈振威龚顺生李发泉
Owner INNOVATION ACAD FOR PRECISION MEASUREMENT SCI & TECH CAS
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