1) collimated beam of sound
平面波束
1.
On the base of the Westervelt equation, this paper studied the acoustic field of the second harmonic of a collimated beam of sound, in particular the directional characteristics.
以Westervelt方程为理论基础,推导了平面波束二次谐波的声压和声强分布,得出平面波束的二次谐波的指向特性主要与波束的尺寸和波长的相对比值、波束的频率有关,高频时也会有旁瓣出现,但在所有频率范围以内都有较尖锐的指向特性。
2) plane wave/Gaussian beam
平面波/高斯波束
1.
Electromagnetic scattering of plane wave/Gaussian beam by parallel cylinders;
平行柱体对平面波/高斯波束电磁散射
3) beam forming of the discreet plane array
离散平面阵波束形成
1.
The research on the twin-line arrays port/starboard distinguishing technology based on the beam forming of the discreet plane array;
基于离散平面阵波束形成的双线列阵左右舷分辨技术研究
4) limited-width-plaae-wave(LWPW) beams
有限宽度平面波光束
5) parallel beam
平行波束
6) beam wave-front
光束波面
补充资料：波束制导
见遥控制导。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条