进行电磁干扰分析。案例研究

Proceedings of the International Conference on Electromagnetic Interference and Compatibility Pub Date : 1900-01-01 DOI:10.1109/ICEMIC.1999.871623

V. Dhar

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引用次数: 3

摘要

商业国际法规/标准要求使用特定的脉冲带宽来测量感兴趣频率范围内的发射类型。这些带宽在国际无线电干扰特别委员会(CISPR)规范编号中有规定。启用。当排放量超过平均规定限值，但仍低于准峰值限值时，进行平均分析。频谱分析仪(SA)中电磁干扰的平均是用视频滤波器完成的。视频滤波器的带宽选择不当会导致大量的错误。主体分析需要在SA的线性振幅模式下进行。然而，如果选择对数振幅模式，它可能会影响平均分析。本文旨在找出影响电磁干扰平均分析的参数。

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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Conducted EMI analysis. A case study

Commercial international regulations/standards call for specific impulsive bandwidths to measure types of emission in the frequency range of interest. Such bandwidths are specified in International Special Committee on Radio Interference (CISPR) specification no. 16-1. When emissions exceed average regulatory limits, but remain below quasi-peak limits, average analysis is carried out. Averaging of EMI in a spectrum analyser (SA) is accomplished with a video filter. Selection of improper bandwidth of the video filter results in numerous errors. Subject analysis is required to be carried out in the linear amplitude mode of a SA. However if the logarithmic amplitude mode is selected, it may affect average analysis. The present paper intends to find the parameters which can influence conducted EMI average analysis.

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Proceedings of the International Conference on Electromagnetic Interference and Compatibility

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