Presentation 2003/10/13
Statistical Characteristics of E-field Distribution in a Reverberation Chamber
Katsushige HARIMA,
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Abstract(in English) A statistically uniform electric field is created in a reverberation chamber by moving mechanical stirrers to vary boundary conditions. The spatial uniformity of the average, median, and maximum distributions of the electric . field in an "ideal" reverberation chamber can be theoretically estimated using ~he probability density functipn of their distributions. However, the uniformity in a "real" chamber is affected by the dimensions of the chamber and the structure of the stirrers. We experimentally and theoretically evaluated the effect of a stirrer on spatial uniformity. When the dimensions of a chamber equipped with effective stirrers are large compared, to a wavelength, that is, when resonant modes above approximately 10^5 exist below the operating frequency, the spatial uniformity is in good agreement with the theoretical value.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Reverberation Chamber / Stirrer / E-field Uniformity / Rayleigh Distribution / Probability Density Function
Paper # EMCJ2003-67,MW2003-164
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Committee MW
Conference Date 2003/10/13(1days)
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Registration To Microwaves (MW)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Statistical Characteristics of E-field Distribution in a Reverberation Chamber
Sub Title (in English)
Keyword(1) Reverberation Chamber
Keyword(2) Stirrer
Keyword(3) E-field Uniformity
Keyword(4) Rayleigh Distribution
Keyword(5) Probability Density Function
1st Author's Name Katsushige HARIMA
1st Author's Affiliation EMC Group, communications Research Laboratory()
Date 2003/10/13
Paper # EMCJ2003-67,MW2003-164
Volume (vol) vol.103
Number (no) 371
Page pp.pp.-
#Pages 7
Date of Issue