Abstract
The phase error induced by the instability or phase noise of RF sources affects the accuracy of measurement in general. In this section, the effect of RF source’s phase noise on the measurement with RF interferometry is analyzed and investigated using statistical analysis. It is shown that one can predict the stability requirement of the RF source corresponding to the time delay between the transmit and receive signals. It is also demonstrated that the phase noise produces negligible effect on the phase measurement when the time delay is sufficiently small. The result is confirmed with the simulation of a representative millimeter-wave interferometer for displacement measurement.
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Nguyen, C., Kim, S. (2012). Consideration of Frequency Stability of RF Signal Source for RF Interferometer. In: Theory, Analysis and Design of RF Interferometric Sensors. SpringerBriefs in Physics. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-2023-1_5
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DOI: https://doi.org/10.1007/978-1-4614-2023-1_5
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