The results showed that the main frequency of the earthquake wave produced by the source is higher obviously than ordinary seismic explosive columns.
结果表明，该震源激发地震波的主频率比普通震源的有明显提高。
High quality millimeter wave frequency source is the important component in the development of millimeter wave systems and application.
优质的毫米波频率源是毫米波系统与应用的关键部件，它的性能很大程度上决定了系统的性能。
Geometrical optics approach can only calculate the high frequency approach solution of drilling bit vibration source wave equation in non caustic area but it become invalid in caustic area.
由于几何光学法求解钻头震源波动方程的高频近似解有局限性，即在焦散区失效，故只能计算非焦散区的高频近似解。
应用推荐