LNFM: High-Precision Frequency Stability Measurement System of Atomic Oscillators With Built-In Reference Source
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2025.3588945
Abstract: Precise frequency stability measurement is critical for many advanced applications, including satellite navigation and remote communication. Traditional measurement systems rely on external high-precision reference (REF) sources such as hydrogen maser (HM), cesium (Cs) atomic clock… read more here.
Keywords: system; stability measurement; measurement; frequency stability ... See more keywords
Gait Stability Measurement by Using Average Entropy
Sign Up to like & getrecommendations! Published in 2021 at "Entropy"
DOI: 10.3390/e23040412
Abstract: Gait stability has been measured by using many entropy-based methods. However, the relation between the entropy values and gait stability is worth further investigation. A research reported that average entropy (AE), a measure of disorder,… read more here.
Keywords: gait stability; stability; stability measurement; average entropy ... See more keywords