It is important to apply a suitable power amplifier to drive the transmitting coil in magnetostrictive nondestructive testing (NDT).

使用合适的功率放大器驱动激励线圈，是实现基于磁致伸缩效应无损检测技术的关键环节。

youdao

And then the transmitting coil of higher degree of uniformity is designed, which effectively improved the reliability of induction setting system.

设计出磁场均匀度更高的发送线圈，有效地提高了感应装定的可靠性。

youdao