查询词典 beam-focusing

On the basis of comparing present detection techniques, we propose a new optical beam deflection technique with a single fiber.

在比较了已有的各种测试声表面波手段的基础上，提出了基于光偏转技术的单光纤测试法，并设计完成了一套光纤光声传感器。

In addition, the axial force increases with the deflection of the beam, and the stress distribution in the section becomes more complicated.

另外，随着挠度的增加，梁上轴力逐渐增大，并且截面上的应力分布更加复杂。

Experimental measurements were also presented with a well-designed optical fiber sensor based on detection beam deflection.

采用自行研制的光偏转测试系统对该冲击波进行了多点测量。

In this technique, the deformation is typically detected by using the well-known optical beam deflection technique.

在这种技术中，薄膜的形变(热包高度小于0.1 nm)一般是采用光热偏转技术来探测的。

Such structural behaviors as the deflection of beam, the formation and the development of crack, the strain of concrete and reinforcement bar, and the moment redistribution are investigated.

这种结构性行为作为挠度梁的形成和发展的裂纹，变形的混凝土和钢筋，和弯矩调幅的影响。

Meanwhile, the variation of the cross-section in width and height has significant effect on the distribution of the moment and the deflection of the beam and on the displacement and the velocity of the mass.

同时，横截面宽度和高度的变化对简支梁上弯矩分布、挠度分布、刚性质量块的位移和速度都产生了明显的影响。

The beam deflection method was employed to determine the temporal response and position sensitive properties of the PSD.

采用光束偏转法对其时间响应特性和位置敏感特性进行测定。

Comparing with some laser-generated ultrasound detection techniques, a kind of optical difference detection system based on optical beam deflection technique is introduced, it is shown that the setup is simple and easy to adjust.

在比较了几种激光超声检测方法的基础上，建立了基于光偏转法的光外差检测系统。

Some important parameters which incluence the period of deformation, the final deflection of the beam and the distribution of disspated energy are discussed.

讨论了一些主要参数对变形时间、终挠度和耗散能分配的影响。

The results were used to estimate the elastic modulus of the SMA by the cantilever beam deflection formula.

如此藉由一系的实验资及分析结果，回归分析出弹性系随温而变化的函关系。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。