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Measuring Q and fr of a Microwave Cavity: Part II

Measuring Q and fr of a Microwave Cavity: Part II

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Part Number:N0003296
An alternative method of measuring the quality factor (Q) and frequency of resonance (fr) of a microwave cavity involves a combination of (1) feedback control to maintain the frequency of the electromagnetic field at fr and (2) periodically determining Q from the rate of decay of the field when the source of microwave power is suddenly turned off. NASA Tech Brief. 8.5" x 11"

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