吉林大学学报(工学版) ›› 2004, Vol. ›› Issue (3): 483-486.

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Two-dimensional cubic nonlinear coupling estimation in nonzero mean multiplicative noise

DOU Huijing, WANG Shuxun, WEI Xiaoli, WANG Fei   

  1. College of Communications Engineering, Jilin University, Changchun, 130022, China
  • Received:2003-10-19 Online:2004-07-01

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Abstract: Cubic nonlinear coupling problem in nonzero mean multiplicative noise was studied by using two-dimensional cyclostationary theory. A special fourth-order time-average moment spectrum was defined for the estimation of cubic nonlinear coupling, which can be applied to obtain the coupled and coupling frequencies in nonzero-mean multiplicative noise and additive noise of any mean without any constrain on the distribution and noise color. The simulation examples illustrate the validity and correctness of this proposed method.

Key words: information processing technology, two-dimensional, cubic nonlinear coupling, multiplicative noise, fourth-order time-average moment spectrum

CLC Number: 

  • TN929.3
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