Band-Limitation Effects on Microwave Oven Noise in the 2.4-GHz Band(Electromagnetic Compatibility (EMC)
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概要
- 論文の詳細を見る
Electromagnetic noise radiated from microwave ovens may cause serious interference problems in wireless systems using the 2.4GHz band. Since oven noise waveforms show strong dependence on the frequency selectivity of the receiver filters, the effect of band limitation on the interfering oven noise is an important issue for evaluating or comparing the performance degradation of wireless systems subject to interference. To understand these effects, theoretical and experimental investigations of the waveform, peak amplitude, and pulse width of band-limited oven noise are carried out. It is found that the peak amplitude of the received noise changes with the bandwidth in a way very similar to the case of a simple RF tone-burst input. The pulse width of the received noise also changes with the receiver bandwidth but takes a minimum value at a certain receiver bandwidth, which is an essential feature of band-limited microwave oven noise. In addition, an appropriate resolution bandwidth is determined for using a spectrum analyzer to obtain accurate oven noise parameters.
- 社団法人電子情報通信学会の論文
- 2005-03-01
著者
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FUJII Katsumi
NICT
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Sugiura Akira
Research Institute Of Electrical Communication Tohoku University
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Sugiura A
Communications Research Lab. Ministry Of Posts And Telecommunications Koganei‐shi Jpn
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Fujii Katsumi
The Author Is With The Department Of Electronic Engineering The University Of Electro-communications
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MURAKAMI Takahide
Research Institute of Electrical Communication, Tohoku University
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MATSUMOTO Yasushi
Yokosuka Branch, NICT
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FUJII Katsumi
Research Institute of Electrical Communication, Tohoku University
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Matsumoto Y
Yokosuka Branch Nict
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Murakami Tatsuro
Research Institute Of Electrical Communication Tohoku University
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