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长春光学精密机械与物... [1]
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会议论文 [1]
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2012 [1]
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Application of trend extrapolation method to spectrum analysis of microtremor signal (EI CONFERENCE)
会议论文
2nd World Congress on Computer Science and Information Engineering, CSIE 2011, June 17, 2011 - June 19, 2011, Changchun, China
Zhou X.
;
Guo T.
;
Jiao J.
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提交时间:2013/03/25
The trend extrapolation method is applied to spectrum analysis of microtremor signal in order to increase the spectral estimation accuracy. First
establish an appropriate extrapolation model based on the existing data series
and then fit correlation functions other than existing data by derivative least squares method
finally perform spectrum analysis using extrapolated correlation functions. Numerical simulations and the experimental results show that good results are achieved no matter correlation functions change slow or rapid
and the extrapolation error is not more than 2.3%. 2012 Springer-Verlag Berlin Heidelberg.
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