Simultaneous electromagnetic field probing system with Y-shaped separation detection structure

IF 1.4 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

Iet Science Measurement & Technology Pub Date : 2024-05-29 DOI:10.1049/smt2.12201

Jianke Li, Shan Xue, Chengyang Luo, Zongqi Cai, Yan Chen, Yuan Chi

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Abstract

Simultaneous electromagnetic field probing system (SEMPS) has been popular in recent years. Herein, a simultaneous electromagnetic field probing system with Y-shaped separation detection structure (SEMPS Y) is first proposed, in which the electric field probing region and the magnetic field probing region of the probe are separated by completely covering the shield along the loop and adding a pin-shaped metal wire to capture the electric field, which are not the same as the classical dual probe structure. Combined with the non-rotating asymmetric calibration method (NRACM), a 4-port vector network analyser (VNA) and a highly symmetric grounded coplanar waveguide (GCPW) calibrator are used to solve the calibration matrix of the asymmetric SEMPS Y. The high symmetry GCPW calibrator is used to generate the standard electromagnetic field for calibration. The results of standing wave measurements show that the SEMPS Y can achieve ultrawideband electromagnetic field measurement of up to 20 GHz. Based on near-field scanning measurements, SEMP Y can obtain results consistent with the calculation. In addition, when the probe is rotated 90° to invalidate the H-field input, the decoupling curves of E-field and H-field are measured. Results show that the separation detection structure can effectively solve the cross-coupling problem.

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具有 Y 型分离探测结构的同步电磁场探测系统

同步电磁场探测系统（SEMPS）近年来很受欢迎。本文首次提出了一种具有 Y 型分离探测结构（SEMPS Y）的同步电磁场探测系统，该系统通过沿环路完全覆盖屏蔽罩和增加针形金属线捕捉电场，将探头的电场探测区和磁场探测区分离，这与经典的双探头结构不同。结合非旋转非对称校准方法（NRACM），使用 4 端口矢量网络分析仪（VNA）和高对称性接地共面波导（GCPW）校准器求解非对称 SEMPS Y 的校准矩阵。驻波测量结果表明，SEMPS Y 可以实现高达 20 GHz 的超宽带电磁场测量。基于近场扫描测量，SEMPS Y 可以获得与计算结果一致的结果。此外，当探头旋转 90° 使 H 场输入无效时，还测量了 E 场和 H 场的去耦曲线。结果表明，分离检测结构能有效解决交叉耦合问题。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Iet Science Measurement & Technology 工程技术-工程：电子与电气

CiteScore

4.30

自引率

7.10%

发文量

审稿时长

7.5 months

期刊介绍： IET Science, Measurement & Technology publishes papers in science, engineering and technology underpinning electronic and electrical engineering, nanotechnology and medical instrumentation.The emphasis of the journal is on theory, simulation methodologies and measurement techniques. The major themes of the journal are: - electromagnetism including electromagnetic theory, computational electromagnetics and EMC - properties and applications of dielectric, magnetic, magneto-optic, piezoelectric materials down to the nanometre scale - measurement and instrumentation including sensors, actuators, medical instrumentation, fundamentals of measurement including measurement standards, uncertainty, dissemination and calibration Applications are welcome for illustrative purposes but the novelty and originality should focus on the proposed new methods.