Determination of elastic constants of cylindrical solidsusing backscattering amplitude spectrum 用超聲背向散射譜定征柱狀固體的彈性常數(shù)
Calculation of stress amplitude and stress amplitude spectrum coefficient for steel structure of tower crane 塔式起重機鋼結(jié)構(gòu)應(yīng)力幅及應(yīng)力幅譜系數(shù)的計算
Used fourier transforming the nuclear logs , its vertical resolution can be achieved from analyzing the changes of amplitude spectrum slope 摘要對核測井曲線進行付氏變換,其縱向分辨率可以從分析振幅譜斜率變化中獲得。
Additionally , features of fourier amplitude spectrum and variation of duration of ground motions with depth in treasure island were discussed 最后,討論了土層基巖場地上臺陣地震動的傅立葉幅值譜和地震動持時沿深度變化的特點。