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Intercontinental optical clock comparison sets stage to redefine the second
In the final analysis, by showing that 10 heterogenous clocks across three continents could agree with each other to within a ...
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Improving Frequency Measurement Accuracy of Fully Digital Phase Detection Quartz Crystal Microbalance Based on Multi-Channel ADC - IEEE Xplore
SummaryThis paper describes improvement of frequency measurement accuracy of fully digital phase detection QCM, which is a high-precision QCM. In fully digital phase (or frequency) measurement using ...