volume | PIER Journals

2024-07-01

Theoretical Analysis of Bandwidth Requirements for Damped Sinusoid Measurement

Jing Yang,

Dr. Jing Yang

Northwest Institute of Nuclear Technology

China

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Wei Wu,

Dr. Wei Wu

Northwest Institute of Nuclear Technology

China

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Zhizhen Zhu,

Dr. Zhizhen Zhu

Northwest Institution of Nuclear Technology

China

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Zhitong Cui,

Dr. Zhitong Cui

Northwest Institute of Nuclear Technology

China

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Yayun Dong,

Dr. Yayun Dong

Northwest Institution of Nuclear Technology

China

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Xin Nie,

Dr. Xin Nie

Northwest Institute of Nuclear Technology

China

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Fei Cao,

Dr. Fei Cao

Xi'an Research Institute of High Technology

China

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Chuan He

Dr. Chuan He

Xi'an Research Institute of High Technology

China

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Progress In Electromagnetics Research C, Vol. 145, 1-8, 2024

doi:10.2528/PIERC24041805

Abstract

High altitude electromagnetic pulse (HEMP) couples to cables and introduces interference into the connected electronic equipment. Responses arising from the transient electromagnetic field typically follow an exponentially damped sinusoid behavior. Thus, damped sinusoids with different parameters are recommended in the International Electrotechnical Commission (IEC) standards as typical injected waveform for HEMP conducted immunity test. To guarantee the compliance of the injected pulse, accurate measurement of the injected pulse is needed. Wideband proportional current sensors are often applied to measure the injected damped sinusoid. However, bandwidth requirements of wideband proportional current sensor for damped sinusoid measurement are not specified. In this paper, two formulae are deduced to establish the relationships between the bandwidth requirements and the fundamental resonance frequency of the damped sinusoid to be measured. It is convenient and simple for the on-site engineers to check whether the bandwidth of the proportional current sensor is suitable by the formulae. Monte-Carlo simulation is conducted in support of the recommended formulae.

Citation

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Jing Yang, Wei Wu, Zhizhen Zhu, Zhitong Cui, Yayun Dong, Xin Nie, Fei Cao, and Chuan He, "Theoretical Analysis of Bandwidth Requirements for Damped Sinusoid Measurement," Progress In Electromagnetics Research C, Vol. 145, 1-8, 2024.
doi:10.2528/PIERC24041805

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