After doing the modifying of machine in calculating the real amplitude and frequency - time analysis to all selected records , the group velocity was calculated for each seismograms 对这些地震记录做仪器频响特性校正,同时进行频时分析( ftan ) ,求其群速度频散。
仪器: instrument; appliance; appar ...频: frequent处理器频率: shader传声器频响: microphone frequency response起博器频率: pacemaker rate振荡器频率: oscillator frequency转发器频率: transponder frequency仪器: instrument; appliance; apparatus 精密仪器 precision instrument; 自记仪器 recording instrument; 仪器厂 instrument plant蜂鸣器频率计: buzzer frequency meter乐器频率范围: frequency range of music instruments倍频器频率倍增器: frequency multiplier变频器频率变换器: frequency transformer变频器频率转换器: frequency converter变压器频率响应: transformer coupling传声器频率响应: frequency response of microphone; microphone response反射器频率截止: reflector frequency cutoff放大器频带宽度: amplifier band width回旋加速器频率: cyclotron frequcncy激光器频率稳定度: laser frequency stability鉴频器频率对称性: frequency discriminator frequency symmetry解调器频带滤波器: dbf demodulator band filter; demodulator band filter,dbf空腔谐振器频率计: cavity-resonatior frequency meter起搏器频率奔脱: run-away pacemaker起搏器频率分析器: rate analyser for pulse generator视频放大器频宽: band width of video amplifier; bar primary bushing type current transformer