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A correction method for deformation monitoring radar based on lidar

A technology of laser radar and correction method, which is applied to measurement devices, optical devices, radio wave measurement systems, etc., can solve problems such as long-distance detection errors, affecting the accuracy, precision, and correction of deformation monitoring systems, and achieve easy operation, Improve the detection accuracy and accuracy, the effect of simple principle

Active Publication Date: 2022-02-11
HUNAN NOVASKY ELECTRONICS TECH
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AI Technical Summary

Problems solved by technology

[0004] The existing technology generally does not use lidar to correct the deformation monitoring radar, and there is a large distance detection error, which will directly affect the accuracy and precision of the entire deformation monitoring system.

Method used

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  • A correction method for deformation monitoring radar based on lidar
  • A correction method for deformation monitoring radar based on lidar

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Embodiment Construction

[0025] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0026] Such as figure 1 and figure 2 As shown, a kind of lidar-based deformation monitoring radar correction method of the present invention, its steps include:

[0027] Step S1: measuring the precise distance d1 from the reference point 4 by the laser radar 1;

[0028] Step S2: Calculate the precise distance d2 between the deformation monitoring radar 2 and the reference point 4 according to the geometric relationship, and the precise height h between the reference point 4 and the ground;

[0029] Step S3: measuring the test distance d3 from the reference point 4 through the deformation monitoring radar 2;

[0030] Step S4: Comparing and correcting the test distance d3 obtained in step S3 and the precise distance d2 calculated in step S2, and obtaining a correction function to calibrate the deformation monitoring radar 2 .

[00...

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Abstract

The present invention discloses a deformation monitoring radar correction method based on laser radar. The distance d2 is the exact height h from the reference point to the ground; Step S3: measure the test distance d3 from the reference point through the deformation monitoring radar; Step S4: compare and correct the test distance d3 obtained in step S3 and the precise distance d2 calculated in step S2 , obtain the correction function to correct the deformation monitoring radar. The invention has the advantages of simple principle, easy operation, easy realization, and can improve the deformation monitoring accuracy.

Description

technical field [0001] The invention mainly relates to the technical field of building deformation monitoring, in particular to a laser radar-based correction method for deformation monitoring radar. Background technique [0002] With the increasing number of large buildings and building structures, the safety monitoring of buildings has become an urgent problem to be solved. Among them, the monitoring of building deformation is one of the keys to the safety of buildings. [0003] In the prior art, some practitioners have proposed the basic principle of using electromagnetic waves for ranging, that is, using radar to emit electromagnetic waves towards buildings and receive reflected echoes from buildings, and then to monitor the distance between the radar and building detection points at different times. The distance changes, and finally determine whether the building is deformed. That is to say, using the basic principle of electromagnetic wave ranging, the deformation mon...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S7/497G01B11/16
CPCG01S7/497G01B11/16
Inventor 唐良勇宋千梁涛王生水韩明华
Owner HUNAN NOVASKY ELECTRONICS TECH