Based upon wave theory and ignoring attenuation losses, the echo amplitude is.
按照波动理论，在忽略衰减损耗的情况下，回波振幅（ ）。
Infrared thermal wave nondestructive detection method is based on the thermal wave theory.
红外热波无损检测是一种基于热波理论的无损检测方法。
In optics we have to decide in favour of the wave theory against the corpuscular theory of light.
在光学中我们赞成光的波动说，而反对光的微粒说。
This article introduces theories and ideas of Van Geldren, the person who initiated the long-wave theory.
本文介绍了长波理论的创始人范·盖尔德伦的理论观点。
A special discussion is carried out to analyze the wave theory selection in the simulation of Gravity cage.
针对重力式网箱数值模拟中波浪理论选择问题进行了专门的分析与讨论。
We have seen that the corpuscular theory explains many of the observed facts. Is the wave theory also able to do this?
我们已经知道微粒说解释了许多已观察到的现象，光的波动说也能做到这一点吗？
Based on the traveling wave theory, a new method for determining the junction parameters of piping systems is presented.
基于结构振动的行波理论，提出了一种管道联接件物理参数识别的新方法。
Maxwell's Theory of Electromagnetism, Light as an Electromagnetic Phenomenon, and the Triumph of the Wave Theory of Light.
麦克斯韦电磁理论，光是一种电磁波现象，以及光的波动理论的成功。
But he was the first scientist in the history of natural science who unified the particle theory and the wave theory of light.
他是自然科学史上第一个试图把光的微粒说和波动说统一起来的自然科学家。
The physical process of diffraction by planar gratings'is analysed, based on the generalized second-order coupled-wave theory.
本文从推广的二阶耦合波理论出发，对平条纹面光栅衍射这一物理过程进行分析。
Conclusion that result of diffraction of light is rectilinear propagation in limited condition is demonstrated from wave theory.
从波动理论出发，证明极限情况下光的衍射结果就是光的直线传播。
Brsed on the wave theory of optics, the affect caused by the phase error in Fresnel near-field diffraction equation is analysed.
根据波动光学的理论，对菲涅耳近场衍射公式误差相位的影响进行了分析。
The diffraction characteristics of the phase mask for UV-written fiber grating is investigated using rigorous coupled-wave theory.
本文利用严格耦合波理论对用于光纤光栅制作的相位掩模的衍射特性进行了深入的研究。
The analysis of modulation wave theory has very important theoretical and actual meaning for studying non sine alternating current.
谐波理论分析对于非正弦交流电路的研究具有重要的理论和实际意义。
According to wave theory, this paper analyzed the character of regular and irregular waves and the relationship of parameters of wave.
本文根据波浪理论，分析了规则波和随机波的特性，以及各波浪参数之间的关系。
In this paper, the new wave theory is extended to establish steep wave model, which results in the wave shape with asymmetric surface.
本文将“新波”理论进一步拓展，使之可以应用于陡波模型的建立，得到波峰前后面不对称的波性。
Electromagnetic theory, statistical plane wave theory and the ray tracing theory of reverberation Chambers are studied in Chapter III.
第三章论述了混响室的电磁场理论、混响室平面波统计理论和混响室射线理论。
Together with Abbe's wave theory and sine condition, the new glass types provide the basis for practically any modern high-performance optics.
阿贝的波动理论，阿贝正弦条件以及新型光学玻璃为现代高性能的光学成像奠定了可靠的基础。
According to coupled wave theory, the volume hologram has a good property for light filtering and can be used as a kind of narrow-band filter.
根据耦合波理论，体积全息图有很好的滤光特性，可以作为一种窄带滤光片在实际中得到应用。
On the basis of standard spin-wave theory, the magnetic dispersion relations for a two-dimensional Heisenberg antiferromagnet are investigated.
利用标准的自旋波理论，研究了二维三角海森堡反铁磁体的色散关系。
Optics majors study the science of light. Topics of study include wave theory and mechanics, the quantum theory of light, and engineering problems.
光学专业是研究光的科学。课程包括波理论和力学，光的量子理论和工程问题等。
Concluding the wave resistance equation of steel spring and making foundation for the wave theory modeling and practical application of steel spring.
推导了钢板弹簧不同传递波的波阻公式，为钢板弹簧的波动理论建模及实际应用提供参考。
The mathematical model of the Lamb wave sensor was established on the basis of the partial wave theory and the surface effective permittivity method.
以部分波理论和表面有效介电常数方法为基础，建立了兰姆波传感器的数学模型。
It is concluded with the application method of helical spring parameters and the simulation method of high frequency response of suspension in wave theory.
提出了在波动理论下螺旋弹簧多参数的应用方法及悬架高频响应的模拟方法。
Radiation wave surrounding a horizontally submerged truncated circular cylinder with harmonic sway motion is analyzed using the linear potential wave theory.
根据线性势波理论，分析了水中截断圆柱体作水平简谐运动时结构周围的辐射波浪。
The coupled equation of two-wave mixing and expressions for weak beam amplification in a single mode waveguide are deduced by application of coupled wave theory.
本文利用耦合波理论分析推导了单模平面光波导中两波混合的耦合波方程和弱相干光放大率的表示式。
The rigorous couple wave theory is used to quantitatively calculate the diffraction electromagnetic fields for TM-polarized and TE-polarized incident optical wave.
针对TM和TE模的入射光，我们采用严格的耦合波原理对金属光栅的表面衍射场进行了计算。
The rigorous couple wave theory is used to quantitatively calculate the diffraction electromagnetic fields for TM-polarized and TE-polarized incident optical wave.
针对TM和TE模的入射光，我们采用严格的耦合波原理对金属光栅的表面衍射场进行了计算。
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