Method for accurate resonant frequency measurements with a phase-modulated feedback loop
- 1 November 1987
- journal article
- Published by AIP Publishing in Review of Scientific Instruments
- Vol. 58 (11), 2181-2184
- https://doi.org/10.1063/1.1139483
Abstract
A new method for accurate measurements of resonant frequency is described here, which uses a phase-modulated locked loop to avoid errors due to unknown phase shifts or to synchronous pickup noise.Keywords
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