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。
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。
The second part optimally designs many kinds of methods about adjustments of focal length and focusing deflection, and points out their relative superiority.
第二部分优化设计出多种调节焦长和聚焦偏转的方法,并指出各种方法的相对优势。
The focusing is effected after the deflection unit via a focusing lens in front of the scanner head.
通过扫描头前方聚焦透镜的反射单元,调焦发生了变化。
The focusing is effected after the deflection unit via a focusing lens in front of the scanner head.
通过扫描头前方聚焦透镜的反射单元,调焦发生了变化。
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