Matches in SemOpenAlex for { <https://semopenalex.org/work/W4294031710> ?p ?o ?g. }
- W4294031710 abstract "Abstract Synchronization, as a unique phenomenon, has been extensively studied in biology, chaotic systems, nonlinear dynamics, quantum information, and other fields. Benefiting from the characteristics of frequency amplification, noise suppression, and stability improvement, synchronization has been gradually applied in sensing, communication, time keeping, and other applications. In the sensing field, synchronization provides a new strategy to improve the performance of sensors. However, the performance improvement is only effective within the synchronization range, and the narrow synchronization range has become a great challenge for the wide application of synchronization-enhanced sensing mechanism. Here, we propose a frequency automatic tracking system (FATS) to widen the synchronization range and track the periodic acceleration signals by adjusting the frequency of the readout oscillator in real time. In addition, a high-precision frequency measurement system and fast response control system based on FPGA (Field Programmable Gate Array) are built, and the tracking performance of the FATS for static and dynamic external signals is analyzed to obtain the optimal control parameters. Experimental results show that the proposed automatic tracking system is capable of static acceleration measurement, the synchronization range can be expanded to 975 Hz, and the relocking time is shortened to 93.4 ms at best. By selecting the optimal PID parameters, we achieve a faster relocking time to meet the requirements of low-frequency vibration measurements, such as seismic detection and tidal monitoring." @default.
- W4294031710 created "2022-09-01" @default.
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- W4294031710 date "2022-09-01" @default.
- W4294031710 modified "2023-10-14" @default.
- W4294031710 title "Fast frequency relocking for synchronization enhanced resonant accelerometer" @default.
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- W4294031710 doi "https://doi.org/10.1038/s41378-022-00428-5" @default.
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