ON DATA PROCESSING OF PET
Zhang Xinlin;Li Hui;Wang Xiaoquan ;and Liu Ziwei
Institute of Seismology,CEA,Wuhan 430071
Abstract A method of data fitting by combining chebyshev polynomial with least square for extracting minutely and hourly radues from the second values of gravity tide observations is reported,which can be used for automatically eliminating wrong data and so obtaining reliable data which will be utilized in harmonic analysis efficiently.
Key words ：
Chebyshev polynomial
least square principle
data fitting
earth tide
harmonic analysis
Received: 01 January 1900
Corresponding Authors:
Zhang Xinlin
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