Measuring device and measuring method for auxiliary standard assembly of ground penetrating radar calibrating device

A technology for verification devices and standard components, which is applied in the field of geophysical exploration and can solve problems such as difficult equipment

Pending Publication Date: 2021-11-09
RES INST OF HIGHWAY MINIST OF TRANSPORT
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The auxiliary standard component of the ground penetrating radar verification device is an important part of the radar measurement standard. However, it is difficult to measure this equipment. The measurement standard requires high measurement accuracy and good data repeatability. The traceability of its value has not yet been fully launched.

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  • Measuring device and measuring method for auxiliary standard assembly of ground penetrating radar calibrating device

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Embodiment Construction

[0017] Four linear guides are combined into a portable detachable three-dimensional translation stage, the first linear guide 1 and the fourth linear guide 4 are parallel to the Z axis, the second linear guide 2 is parallel to the X axis, and the third linear guide 3 is parallel to the Y axis , the laser interferometer 5 and the linear interference mirror 6 are fixed on the second linear guide rail 2, and the linear mirror 7 and the mirror fixing device 8 are fixed on the third linear guide rail 3, wherein the incident light and the outgoing light of the laser interferometer 5 should be It is parallel to the Y axis and perpendicular to the tested plate 11. The above components together constitute the measuring device of the auxiliary standard component of the ground penetrating radar verification device.

[0018] (1) Four linear guide rails are combined into a portable and detachable three-dimensional translation stage, and the positional relationship is as follows: figure 1 ...

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Abstract

The invention provides a measuring device and a measuring method for an auxiliary standard assembly of a ground penetrating radar calibrating device. Four linear guide rails are combined into a portable detachable three-dimensional displacement table and are the first linear guide rail, the second linear guide rail, the third linear guide rail and the fourth linear guide rail, wherein the first linear guide rail and the fourth linear guide rail are parallel to the Z axis, the second linear guide rail is parallel to the X axis, and the third linear guide rail is parallel to the Y axis; a laser interferometer and a linear interference mirror are fixed to the second linear guide rail; a linear reflector and a reflector fixing device are fixed on the third linear guide rail; and the incident light and the emergent light of the laser interferometer should be parallel to the Y axis and perpendicular to a measured flat plate. According to the invention, the motion error in the working direction is measured to compensate the final measurement result, the measurement positioning point is automatically searched, and the measurement process is automatic, so that the precision and accuracy of the measuring device are ensured, and the measurement time is greatly shortened.

Description

technical field [0001] The invention belongs to the field of geophysical prospecting. Background technique [0002] Ground penetrating radar has become a powerful tool for geophysical exploration because of its high detection resolution, high work efficiency and many other advantages. Especially in recent years, with the rapid development of electronic technology, signal processing technology and computer application technology, ground penetrating radar has been continuously updated and developed, and its application field has been continuously expanded. The calibration of radar has become the top priority of radar traceability work. [0003] The auxiliary standard component of the ground penetrating radar verification device is an important part of the radar measurement standard. However, it is difficult to measure this equipment. The measurement standard requires high measurement accuracy and good data repeatability. The traceability of its value has not yet been fully im...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/06
CPCG01B11/06
Inventor 张金凝周毅姝刘越任励硕陈柳清
Owner RES INST OF HIGHWAY MINIST OF TRANSPORT
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