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The dependence of the quality factor (Q) of a reverberation chamber as measured using a time-domain approach on the total bandwidth included in the time-domain signal has been investigated. Time-domain measurement of the Q factor of a mechanically stirred, metal cavity has been been performed using synthesized pulses of different bandwidth with the cavity both loaded and unloaded by absorbing material...
In order to understand the effects of loading on the estimation of independent samples and the consequent effect on the chamber uniformity, a series of measurements have been performed in a reverberation chamber with different sets of loads. The relationship between independent samples, loading and uniformity has been evaluated from the measured results.
The random electromagnetic field within a reverberation chamber is modeled using a superposition of plane waves. Based on rigorous sampling theory, the ideal continuous plane-wave spectrum within the chamber is sampled over the sphere to yield nearly ideal field statistics (including spatial autocorrelation) over a specified test volume such as that occupied by an equipment under test (EUT). The same...
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