acoustic beam

A Novel Switching Beam Algorithm Designed for Long Range Underwater Acoustic Communication

远程水声通信系统中波束切换新方法

On the angular spread of the deflected surface acoustic wave beam diffracted by Bragg grating

声表面波在Bragg声栅上衍射的偏转声束的发散角

A low frequency high power FM scanning acoustic beam transmitting system

一种低频大功率调频声波束扫描发射系统

Compared with spherical wave, acoustic beam can propagate through a long distance for its concentrated energy.

相对于点声源激发的球面波来讲，声束的能量比较集中，在介质中传播的比较远，对小的障碍物散射比较强。

Reactive ion beam etching technique has been effectively used to study and fabricate large-scale and ultra large scale integrated circuit, acoustic surface wave device, magnetic bubble device microwave device, integrated optical circuit, superconducting device, shimmer optical pattern etc.

反应离子束刻蚀技术已有效地用于研究和制造大规模和超大规模集成电路，声表面波器件，磁泡存储器，微波器件，集成光路，超导器件，闪烁光栅等。