Chin. Phys. B
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Chin. Phys.  2007, Vol. 16 Issue (4): 1072-1076    DOI: 10.1088/1009-1963/16/4/035
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Analysis of a kind of Duffing oscillator system used to detect weak signals
Yang Bao-Juna, Li Yueb, Yuan Yeb, Liu Xiao-Huab
a Department of Geophysics, Jilin University, Changchun 130026, China ; b Department of Information Engineering, Jilin University, Changchun 130012, China

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