NDLI: Hydrogen atomic clock difference prediction based on the LSSVM

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Hydrogen atomic clock difference prediction based on the LSSVM

Content Provider	IET Digital Library
Author	Zhu, Jiangmiao Wang, Xing Gao, Yuan Zhang, Jing Wang, Shibiao
Abstract	The atomic clock prediction is the key step for constructing atomic clock time scales and implementing atomic clocks steering, and its prediction level directly affects the accuracy and stability of atomic clock time scales. Aiming at the non-linear and non-stationary characteristics of the hydrogen atom clock, the least squares support vector machine (LSSVM) hydrogen clock prediction algorithm is proposed, which is verified by the actual hydrogen atomic clock data of the timekeeping laboratory in National Institute of Metrology, China. The results show that compared with the linear prediction algorithm and the support vector machine (SVM) prediction algorithm, the least squares SVM prediction algorithm improves the accuracy of the clock prediction, and its root mean square error is, respectively, reduced by 50% and 29%.
Starting Page	9017
Ending Page	9021
Page Count	5
Volume Number	2019
e-ISSN	20513305
Issue Number	Issue 23, Dec (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/joe/2019/23
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/joe.2018.9170
Journal	The Journal of Engineering
Publisher	The Institution of Engineering and Technology
Publisher Date	2019-03-25
Access Restriction	Open
Rights License	Creative Commons Attribution-Non Commercial-No Derivs License (http://creativecommons.org/licenses/by-nc-nd/3.0/)
Subject Keyword	Actual Hydrogen Atomic Clock Data Atomic Clock Prediction Atomic Clock Time Scales Atomic Clocks Hydrogen Atom Clock Hydrogen Atomic Clock Difference Prediction Implementing Atomic Clocks Steering Interpolation And Function Approximation Knowledge Engineering Technique Least Squares Approximation Linear Prediction Algorithm LSSVM Measurement Standard And Calibration Numerical Analysis Prediction Level Probability Theory Squares SVM Prediction Algorithm Statistics Stochastic Linearised SCUC Support Vector Machine Support Vector Machine Prediction Algorithm Time Measurement Vector Machine Hydrogen Clock Prediction Algorithm
Content Type	Text
Resource Type	Article

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