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《Journal of Changsha University》 2013-05
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Application of Multi - frequency Eddy Detection Signal Processing Using Kalman Filter

GAO Quanqin;LI Jiadang;Department of Mechatronic Engineering,Changsha University;China Satellite Maritime Tracking and Control Department;  
Based on the Kalman filter,a multi-frequency eddy current signal demodulation method is proposed.By directly sampling the analog signal of multi-frequency eddy system,the multi-frequency phase and amplitude information of eddy current is obtained by the proposed method immediately and synchronously.Contrasting to the traditional method,the proposed method does not need hardware demodulation circuits and the circuit structures are simple.Moreover,the proposed method is more flexible,which may be configured to any frequencies parameters by software and no longer dependent on specific hardware circuits.
【Fund】: 湖南省教育厅科学研究项目(批准号:11C0118);; 湖南省重点学科建设资助项目(批准号:20110519);; 上海航天科技创新基金(批准号:SAST201314)资助项目
【CateGory Index】: TN713;TN911.3
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