Shear wave velocity is an important indicator which influence the ability that mediators propagate waves.
剪切波速是反映介质对波传播能力的一个重要指标。
2
Reflected wave signal is processed by double channels two-order low-pass active filtering in hardware, and indicator diagram signal is processed by digital filtering in software.
液面反射波信号主要在硬件方面采用双通道二阶有源低通滤波，功图信号则在软件方面采用数字滤波算法。
3
The difference in amplitude and energy of seismic wave between fracture cave zones and surrounding rock is an indicator of fractures and caves.