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- How to calculate diffracted attenuation accuratly in this case is the important part of sound barrier design. 公路上设置的声屏障的长度一般为有限长,如何准确的计算出此种情况下声屏障的绕射衰减,是声屏障声学设计的关键。
- Calculations of diffracted attenuation are important for acoustic design of railway noise barriers. 铁路声屏障绕射衰减计算是声屏障声学设计的重要内容。
- The length of Sound Barrier built on highway is limited usually.How to calculate diffracted attenuation accuratly in this case is the important part of sound barrier design. 摘要公路上设置的声屏障的长度一般为有限长，如何准确的计算出此种情况下声屏障的绕射衰减，是声屏障声学设计的关键。
- The Method for Evaluating the Knife--edge Diffraction Attenuation Using Fresnel Zone 刃形绕射的菲涅耳波带计算法
- diffraction attenuation 衍射衰减
- Another important wave phenomenon is diffraction. 另一个重要的波现象是衍射。
- To undergo or cause to undergo diffraction. 使衍射产生或导致衍射
- Attenuation of light is in the form of absorption. 光是以吸收的形式衰减。
- Yet some form of attenuation is mandatory. 然而有些衰减形式是必须采用的。
- Diffraction, too, occurs in light waves. 衍射也是由光波产生。
- Principles of Fourier Optics and Diffraction. 傅立叶光学和衍射原理。
- This member represents an attenuation constant. 此成员表示一个衰减常数。
- Attenuation is important in relation to networks. 跟网路的关系上，衰减是重要的。
- This is far end crosstalk adjusted for attenuation. 远端串音值与衰减值之相互关系。
- The uncertainty principle can account for diffraction. 测不准原理可以说明衍射。
- Theoretical Model and Calculation of Diffracted Attenuation of Noise Barrier of Heavy Vehicle Highway 高车流量公路声屏障绕射衰减理论模型与计算
- Lustre is the integral effect of reflection and diffraction. 色泽是反射和衍射的综合效果。
- The attenuation amount of diffraction of this sound barrie is calculated according to the acoustics principle, the feasible remedies are put forward. 并根据声学原理计算了该声屏障绕射衰减量,提出了切实可行的补救措施。
- Evidently diffraction, as well as interference, is a wave property. 显然，衍射以及干涉是波特性。
