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《Journal of Jilin University(Earth Science Edition)》 2010-S1
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Parameters Determination in Calculation Depth with Welch Estimation of Power Spectrum

GENG Mei-xia,YANG Qing-jie College of GeoExploration Science and Technology,Jilin Univercity,Changchun 130026,China  
The author studied the influence of type of window function,length of window,length of FFT and length of noverlap on results of calculation depth with logarithmic power spectrum by simulating in Matlab using PSD function.And according to the results of analysis,the author present some advices on selection of window function,length of window,length of FFT and length of noverlap in calculation depth with Welch estimation of PSD.
【CateGory Index】: P631.2
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