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《Journal of Dalian Nationalities University》 2007-05
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A High-accuracy Frequency and Amplitude Estimation Algorithm of Sinusoid Signal

SHI Li-xin HAN Gui-ying YU Wei-min (College of Electromechanical & Information Engineering,Dalian Liaoning 116605,China)  
To improve the estimation precision of sinusoid signal frequency and amplitude in frequency-domain,a new method using function of window iterative algorithm is presented.The simulation of Matlab shows that this method is feasible,and the estimation precision can be improved by magnitude of 4-5 orders and is irrelative with frequency errerd.
【CateGory Index】: TN911.23
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