LED灯辐射噪声的统计特性及其对无线医疗遥测仪的影响

2018 International Symposium on Electromagnetic Compatibility (EMC EUROPE) Pub Date : 2018-08-01 DOI:10.1109/EMCEUROPE.2018.8485169

Sazu Arie, Kai Ishida, I. Wu, K. Gotoh, Y. Matsumoto, M. Hirose

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引用次数: 2

摘要

发光二极管(LED)灯已广泛应用于临床环境。然而，从安装在LED灯中的开关电源辐射的电磁噪声可能会干扰无线医疗遥测器。当噪声的带宽与无线医疗遥测仪(日本a型)的带宽相同时，大多数LED灯的辐射噪声很好地近似为高斯噪声。实验证实，在存在加性高斯白噪声的情况下，无线医疗遥测仪的接收不良，其平均功率相当于LED灯的辐射噪声的带宽限制到遥测仪的信道

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Statistical Characteristics of Radiation Noise from LED Lamps and its Effect on Wireless Medical Telemeters

Light-emitting diode (LED) lamps have been widely introduced in clinical settings. However, electromagnetic noise radiated from the switching power supply mounted in LED lamps may interfere with wireless medical telemeters. Radiation noise from most LED lamps is well approximated as Gaussian when the bandwidth of the noise is the same as that of a wireless medical telemeter (Japanese type A). Poor reception of wireless medical telemeter is experimentally confirmed in the presence of additive white Gaussian noise which average power is equivalent to that of radiation noise from LED lamps band-limited to the telemeter channel

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2018 International Symposium on Electromagnetic Compatibility (EMC EUROPE)

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