Fundamentals of various quarter wave plates are presented firstly in this paper.
概括介绍了各种四分之一波片的基本原理。
It is proved by experiment that using the optical device may be used instead of the fractional wave plates of classical optics.
实验证明，采用本文设计的调节系统完全可以取代经典波片，从而实现单模光纤中传输光束偏振态的自调效果。
Its request for monochromaticity of source is low. The equipments and procedure of this method are simple, but suitable for quarter-wave plates of various wave lengths.
此方法对光源的单色性要求低，新需器材及实验方法简便，并且适于各种波长的四分之一波片。
The dynamic buckling of elastic structures, such as beams and plates, when subjected to an axial impact at one end, is studied in the present paper based on the theory of stress wave propagation.
本文借助于应力波传播规律研究了弹性梁板结构在冲击载荷作用下的动态屈曲问题。
That the complex stress state change is aroused between armor plates under explosive or shock force is expressed by complex stress wave propagation.
在爆炸或冲击荷载作用下，钢板间会引起复杂的应力应变状态的变化，表现在应力波传播比较复杂。
For analyzing the adhesion between soil and tillage tools, the profiles of pressure on the wave bulldozing plates were calculated, and we located the position of the maximum friction on the surface.
计算了波纹板表面的压力分布，并指出在土壤与农机具粘附系统中波纹形表面摩擦力最大的位置。
Based on the theory of elastic dynamics, using the governing equation of thin plates, the reflection and transmission of flexural wave in thin plates with an array of periodic cracks were studied.
本文基于弹性动力学理论，分析研究了含有横向周期裂纹的平板中弯曲波的反射与透射问题。
Produce high-quality FRP lighting plate, FRP color plates, FRP flat panel, FRP (panel) wave plate series.
可生产出高质量的FRP采光板、FRP彩色板、FRP平板、FRP波形板等系列板材。
This papers using experiment and theory studies and discusses dose of explosive welding, microstructure of interface wave and mechanical properties relation of explosive clad plates.
本论文从实验和理论两个方面对爆炸焊接装药量与界面波的组织形状及复合板力学性能间的关系进行了研究和探讨。
The variation law of slide wave is studied with different thickness of glass plates and the relation between slide wave in two layer medium and the thickness of the two media is observed.
在实验中用不同厚度玻璃板观测滑行波的变化规律，并观测两层介质中滑行波与两种介质厚度的关系。
The standing wave resonance of the elastic plates in the invention is sensitive to the surface conditions, and the corrosive conditions of the surfaces of the elastic plates can be marked.
本发明中弹性板驻波谐振对表面状况敏感，能标定弹性板表面的腐蚀状。
The effects of blast shock wave in the second phase are brought to the residual structure in the form of impulse after perforation, and then the circular plates obtained initial kinetic energy.
第二阶段，爆炸冲击波作用以冲量的形式作用在穿孔后的剩余板结构上，给板一个初始动能。
One important reason is because some time ago did not demonstrate the brokerage stocks, and a wave of big rebound in prices should be all the plates are involved in the market.
一个重要的原因是前一段时间并没有表现出券商类股，以及价格的大幅反弹波应该是板块在市场上参与。
This is done by applying one sine wave to the two vertical plates.
其方法是把一个正弦波加到两个垂直板上。
The traditional non-destructive method of pipe piles and concrete plates is impact-echo technique based on one-dimensional stress wave theory, and it can detect the big defects.
对管桩和混凝土板的传统无损检测方法则是基于一维波动理论的冲击回波方法，这种方法只能检测比较大的缺陷。
The traditional non-destructive method of pipe piles and concrete plates is impact-echo technique based on one-dimensional stress wave theory, and it can detect the big defects.
对管桩和混凝土板的传统无损检测方法则是基于一维波动理论的冲击回波方法，这种方法只能检测比较大的缺陷。
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