改进了在9khz至1ghz频率范围内移动轨道车辆辐射发射的测量方法

2004 International Symposium on Electromagnetic Compatibility (IEEE Cat. No.04CH37559) Pub Date : 2004-11-01 DOI:10.1109/ISEMC.2004.1349989

A. Rowell, D. Bozec, S. Seller, L. McCormack, C. Marshman, A. Marvin

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引用次数: 6

摘要

研制了一种轨道车辆辐射电磁干扰(EMI)测量系统。该系统使用多个频谱分析仪，使用单频宽带包络检测，将快速重复的频域测量和时域测量相结合。利用这些技术，可以对快速行驶车辆的排放进行评估，并将其表征为窄带或宽带、连续或瞬态。因此，可以更好地了解对无线电通信业务的潜在干扰。介绍了该系统并给出了测试结果。讨论了现有测量技术的不足和这种混合技术的优点。

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Improved measurement of radiated emissions from moving rail vehicles in the frequency range 9 kHz to 1 GHz

A measurement system has been developed to characterize the radiated electromagnetic interference (EMI) from moving rail vehicles. The system uses multiple spectrum analyzers to make a combination of rapidly repeated frequency domain measurements and time domain measurements using single frequency wide bandwidth envelope detection. Using these techniques, the emissions from a rapidly moving vehicle can be assessed and characterized as narrowband or broadband, continuous or transient. The potential for interference with radiocommunications services can hence be better understood. The system is described and measurement results are presented. Shortfalls in current measurement techniques and advantages of this hybrid technique are discussed.

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2004 International Symposium on Electromagnetic Compatibility (IEEE Cat. No.04CH37559)

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