1) sound field distribution
声场分布
1.
The calculating model of sound field distribution along the urban elevated railway.;
城市高架轨道交通沿线声场分布计算模型
2.
According to the theory of wave acoustics and ray acoustics,train is regarded as a moving limited line sound source and the mathematics model of sound field distribution is set up around the elevated railway.
根据波动声学和几何声学原理,将列车看作一运动着的有限长线声源,建立了有声屏障时城市高架轨道交通沿线声场分布计算模型。
3.
Through monitoring with sound arrester and without sound arrester, analyses the sound field distribution on the side of high way, discover the sound field distribution character for the purpose of advising the scientific methods of sound degrading design and checking.
通过对高速公路侧向有、无声屏障状态下的声场分布测试与分析 ,旨在揭示高速公路声屏障降噪声场的分布特性 ,为道路声屏障的声学设计及验收方法提供科学依
3) sound pressure field distribution
声压场分布
1.
This paper took aluminum ultrasonic casting as penetration point and the main study was shown as follows:1、By measuring the displacement amplitude of the ultrasonic radiator and using the multi-media transmission theory,the sound pressure field distribution in the aluminum alloy melt induced by the radiator was calculated.
在铝合金的铸造过程中施加超声外场技术是当前国际研究的热点和未来铸造技术的一个新的发展方向,超声波在金属熔体中产生的空化和声流效应可以明显改善成型铸锭的组织和性能,本文主要以铝合金超声铸造为切入点,研究以下几方面内容:1、通过测量超声工具杆端面在空气中的位移振幅,应用多介质声波传输理论对工具杆在铝合金熔体中的声压分布进行计算,得到了工具杆在铝合金熔体中产生的声压场分布。
4) Reflection field distribution
反射声场分布
5) the field distribution modes
声场分布模态
1.
The radiation from the vibrating surface can be uniquely expressed in terms of the acoustic radiation modes and the field distribution modes.
声辐射模态是定义在振动表面上的一组相互独立的基函数,描绘了振动表面的多极子辐射模式;声场分布模态描述了声场的分布模式。
6) SIDC
声场分布系数(SIDC)
1.
And exercise optimization design with the physical meaning of sound intensity distribution coefficient (SIDC).
方法:采用正负声源的方法,对该环状凹球面自聚焦超声换能器的轴向声场强度分布进行模拟仿真,并利用自定义的声场分布系数(SIDC)的物理意义对该换能器进行优化设计。
补充资料：混响声场
见声场。
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