Compared with traditional ultrasonic probe, ultrasonic phased array probe can realize transition, deflection and dynamic focusing of acoustic beam under electronic control.
与传统的超声波探头相比，超声相控阵探头可以实现电子控制下的声束平移、偏转与动态聚焦。
2
These results of this paper may be of use in designing focusing or deflection systems of electron ray devices, electron-optical instruments and high energy accelerators.
这些结果可用于电子束器件、电子光学仪器和高能加速器中的聚焦或偏转或聚焦兼偏转元件的设计。
3
The second part optimally designs many kinds of methods about adjustments of focal length and focusingdeflection, and points out their relative superiority.