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《Control Engineering of China》 2013-01
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Study on Analysis of Earthquake Signal Processing based on HHT

ZHOU Xuan-chi1,BAI Chun-hua2,LIN Da-chao2,WANG Zhong-qi1 (1.School of Mechatronic Engineering,Beijing Institute of Technology,Beijing 100081,China 2.North China Institute of Science and Technology,Beijing 100081,China)  
The new analytical method HHT is especially suitable for processing on non-stationary signal.Based on its adaptability,science and efficiency,the IMF components which are decomposed from non-stationary signals by the method reflect substitutive characteristics of signals and Hilbert.energy spectrum describing the characteristics of energy along with time-frequency distribution is proposed.Firstly,using analog signals proves the accuracy,efficiency,and rationality of the method.Then partial data from the main earthquake happened in Notohanto 2007 is analyzed by using HHT analytical method.Therefore,the exploration of inner rules and features of earthquakes can be conducted based on the result of data analysis,which will make a contribution to the reduction of economic losses after earthquakes.
【Fund】: 国家科技支撑计划课题(2007BAB18B01);; 爆炸科学与技术国家重点实验室基金资助项目(ZDKT08-2-6 YBKT09-1)
【CateGory Index】: TN911.7
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