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Coaxial annular material electromagnetic parameter test bench, test system and test method

A technology of electromagnetic parameters and test sockets, which is applied in the direction of magnetic performance measurement, electrical measuring instrument components, measuring devices, etc., can solve problems affecting the measurement accuracy, measurement system stability, large cable jitter, large waveguide movement, etc., to achieve test The effect of high accuracy and test efficiency, phase stability, and test frequency bandwidth

Pending Publication Date: 2022-01-21
BEIJING INST OF ENVIRONMENTAL FEATURES
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AI Technical Summary

Problems solved by technology

The advantage of this kind of test seat is that the structure is relatively simple and easy to implement; the disadvantage is that the test frequency band is narrow, the stability is poor, the waveguide moves greatly during the calibration process, and the cable jitters during the installation of the sample (under test), which will affect the measurement accuracy and The stability of the measurement system, as the requirements for test accuracy are getting higher and higher, the existing material electromagnetic parameter test sockets are difficult to meet the test requirements

Method used

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  • Coaxial annular material electromagnetic parameter test bench, test system and test method
  • Coaxial annular material electromagnetic parameter test bench, test system and test method
  • Coaxial annular material electromagnetic parameter test bench, test system and test method

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Embodiment Construction

[0045] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0046] see Figure 1-Figure 3 As shown, the coaxial annular material electromagnetic parameter test seat provided by the embodiment of the present invention includes a base 1, a clamping part of the test piece 2 and two cable supports 3, wherein the clamping part of the test piece 2 and two cable supports 3 are all arranged on the base 1, an...

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Abstract

The invention relates to the technical field of material electromagnetic parameter measurement, in particular to a coaxial annular material electromagnetic parameter testing seat, a testing system and a testing method. A to-be-tested piece clamping part and two cable supports of the test seat are all arranged on a base, the two cable supports are arranged on the two sides of the to-be-tested piece clamping part respectively, one end of a test cable penetrates through a via hole in the cable support to be in threaded connection with a coaxial clamp and is in close fit with the via hole, so the test cable can be better fixed, the cable is prevented from shaking randomly in the calibration and test connection process, unnecessary movement of the to-be-tested piece parallel to the coaxial clamp is avoided, the phase stability in the test process is ensured, and the test error is reduced. The two via holes and the coaxial clamp are coaxially arranged, and the cable support is in sliding connection with the base, so that ports of test cables connected to two ends of the coaxial clamp are in the same horizontal line, the test cables can be conveniently connected with the coaxial clamp, and the accuracy of multiple connections is ensured.

Description

technical field [0001] The invention relates to the technical field of material electromagnetic parameter measurement, in particular to a coaxial annular material electromagnetic parameter test seat, a test system and a test method. Background technique [0002] The material electromagnetic parameter test seat is a very critical component in the entire material parameter test system. It is an important device for calibrating the system and installing the tested samples, and connecting with the vector network analyzer to form a closed-loop test system. The test seat design is excellent. Inferior, directly affect the test accuracy of the vector network analyzer. There are two main points for the pros and cons of the test seat: [0003] (1) It is convenient for repeated installation of material samples and ensures the consistency of each installation; [0004] (2) It is convenient to calibrate the test system and ensure that the test seat is as stable as possible. [0005] I...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R33/12G01R27/28G01R1/04
CPCG01R33/1253G01R27/28G01R1/0408G01R1/0425
Inventor 李宁徐向明苟菲杨丽
Owner BEIJING INST OF ENVIRONMENTAL FEATURES
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