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Reverberation Chambers for Wireless Applications

Owing to the beauty of its statistical behavior, reverberation chambers can be utilized as a measurement environment[1]. In a metallic cavity, numerous resonance modes can be excited. Each mode is induced by standing waves of the electrical fields that resonate with crests and troughs residing spatially. Such field variation due to resonance is seemingly contrary to the concept to establish a constant field with which the measurement can be repeated accurately inside the test volume. Repeatability is the key to the construction of a feasible measurement system. Although each individual resonance mode shows field deviation, the averaged field over sufficient modes can statistically achieve certain field uniformity that the measurement is then repeatable.
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Reverberation Chambers for Wireless Applications
Author Yulung Tang, Shaoyang Cheng, John Xiao
Publication Safety & EMC
Date May 2014
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