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[期刊论文] 作者:Shi-wei Ma,Guang-hua Chen,Jia-, 来源:先进制造进展:英文版 年份:2000
1 Introduction TimefrequencyanalysismethodssuchasshorttimeFouriertransform(STFT),Gaborexpansion,wavelettransformandWignerVilledistribution(WVD)havebeenextensivelystudiedandimplemented.Theyprovideeffectivetoolsforanalyzingsignalpropertiesinjointtimefrequen......
[期刊论文] 作者:ZHANG Ming SUN Hai-lin HE Jia-, 来源:中国有色金属学会会刊:英文版 年份:2001
The four-point bending method was applied to measure X-ray elastic constants(XEC) of (422) and (331) planes of TiN coating. Elastic Modulus and XECs of all the...
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