Maximum Radiated Power Density From Electrically Large Sources-Comparing Probability Theory and Measurements

The unintentionally radiated power density from electrically large electronic equipment shows a strong directional dependence. The polarization of the emitted field is also a priori unknown. Time and economy makes it prohibitive to measure all orientations of the equipment. A simple probability mode...

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Bibliographic Details
Published in:IEEE transactions on electromagnetic compatibility 2011-11, Vol.53 (4), p.876-881
Main Author: Hoijer, M.
Format: Article
Language:English
Subjects:
Antenna measurements
Antennas
Applied classical electromagnetism
Applied sciences
Density
Directivity
Economics
Electric power generation
electrically large source
Electromagnetic compatibility
electromagnetic statistics
Electromagnetic wave propagation, radiowave propagation
Electromagnetism
electron and ion optics
Electronic equipment
emission testing
Equipment costs
Exact sciences and technology
Frequency measurement
Fundamental areas of phenomenology (including applications)
Immunity testing
maximum value statistics
NIST
Orientation
Physics
Probability density function
Probes
Radiocommunications
Random variables
Telecommunications
Telecommunications and information theory
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Description
Summary:The unintentionally radiated power density from electrically large electronic equipment shows a strong directional dependence. The polarization of the emitted field is also a priori unknown. Time and economy makes it prohibitive to measure all orientations of the equipment. A simple probability model has been proposed to quantify the magnitude of the effect: the power received by a measurement antenna is exponentially distributed. We verify that simple model by measurements.
ISSN:0018-9375
1558-187X
DOI:10.1109/TEMC.2011.2167514