線纜屏蔽效能測試方法的比較與分析

打開文本圖片集

摘要：針對不同的電纜屏蔽效能測試方法進(jìn)行分析對比，對主流的7種測試方法進(jìn)行剖析，得到它們不同的優(yōu)缺點(diǎn)，并討論各種方法的有效性。研究目的主要是系統(tǒng)性地分析和比較主要的線纜屏蔽效能測試方法之間的差異，并為屏蔽效能測試方法的選用提供指導(dǎo)建議。

關(guān)鍵詞：電磁兼容；轉(zhuǎn)移阻抗；屏蔽衰減；線纜

中圖分類號：U472.9      收稿日期：2025-02-12      DOI：10.19999/j.cnki.1004-0226.2025.04.025

Comparison and Analysis of Cable Shielding Efficiency

Testing Methods

Chen Jiamin

Shanghai Motor Vehicle Testing and Certification Technology Research Center Co.，Ltd.，Electromagnetic and

Communication Testing Research Laboratory，Shanghai 201805，China

Abstract：Analyze and compare different cable shielding effectiveness testing methods， analyze the seven mainstream testing methods， identify their different advantages and disadvantages， and discuss the effectiveness of each method. This paper aims to systematically analyze and compare the differences between the main cable shielding effectiveness testing methods， and provide guidance and suggestions for the selection of shielding effectiveness testing methods.

Key words：Electromagnetic compatibility；Transfer impedance；Screening attenuation；Cable

1 前言

隨著汽車電氣化的發(fā)展，智能化汽車對傳感器和執(zhí)行器的需求大幅增加，不可避免地導(dǎo)致車輛內(nèi)部線纜線束的數(shù)量增多。（剩余8942字）