Furthermore, we have confirmed that the performance of zigzag slab resonator depends sensitively on the incident angle of the beam at the slab end face. 同时,我们确定了板条之字形振荡器的输出功率与激光在板条端面的入射角度密切相关。
And the divergence angle of pumping beam and the off axis pumping influenced t. 且泵浦光的发散角和在偏轴方向的泵浦光对参量光线宽的影响较大。
A novel coupling system, taper duct applied to planar laser diode array ( LDA) was proposed. The radiation angle of emergent beam is compressed by using the refraction principle. 报道了一种适用于面阵激光二极管阵列(LDA)的新型耦合系统&圆锥形导管,它利用折射原理压缩出射光束的发散角。
Theoretical calculation results indicate that the natural frequency is proportional to the width of silicon beam, increased nonlinearly with the rake angle of oblique beam, and reduced nonlinearly with the length of silicon beam. 理论计算结果表明,V型电热硅微致动器固有频率是随硅梁宽度的增加而线性增大,随斜梁长度增加而非线性减小,随斜梁倾角增加而非线性增大。
A method for determining rational anchorage-angle of foundation beam with prestressed anchor-cable 预应力锚索地梁中合理锚固角的确定锚杆锚固体的优化
Simple Method of Measuring the Divergence Angle of Laser Beam 激光束发散角精确测量的简便方法
Beam wander and arrived angle of laser beam through raindrops 降雨大气中激光束漂移和到达角起伏研究
In laser control and guide system, diverging angle of laser beam is an important parameter. 激光末端制导武器系统中,激光照射指示器出射激光的束散角是一个重要的参数。
The scatter characteristic of soil hyperspectrals is studied by variance analysis of geometric conditions, i.e., the angle of the beam, the distance between sensor and soil surface, and the distance between lamp and soil surface in laboratory test. 利用方差分析方法,研究了光源照射角度、探头距离、光源距离3个几何测试条件对室内土壤高光谱数据离散性的影响。
The root rotating angle of beam is divided into the whole rigid angle and the rigid flexible coupling rotating angle caused by the beam motion. Exercise. 将梁根部的回转角度分解为整体刚性运动回转角度和刚体运动和柔性运动激发刚柔耦合回转角。
A simple method of measuring the divergence angle of laser beam is presented, which is based on the principle of transverse shearing interference. The results of both theoretical analysis and experiment measurement show that the method has the advantages of simplicity, reliability and wide use fields. 基于横向剪切干涉原理,提出了一种测量激光发散角的简便方法,理论分析和实验测量结果表明,该方法具有测量简便、结果可靠和适用性强等特点。
On the basis of flat section hypothesis, the clamped piezoelectric beam was simplified. The displacement and angle of the beam was obtained. 该文对两种构型的压电夹持梁采用平剖面假设进行了简化,得到了夹持梁在电场作用下挠度和转角的解析解。
Owing to the advent of the free-space coupling technology, the angle of incidence beam can be small, then we can use the high sensitivity of ultrahigh-order modes in a optical waveguide. 在结构上,由于采用了波导的自由空间耦合原理,无需耦合器件,可以使入射光在小角度处入射,从而可以利用波导高阶模灵敏度高的特性,结构简单,易于加工制造。
A Simple Method to Measure the Wedge Angle of a Beam Splitter that Relier on Moire Technique 一种用莫尔技术测量分光板夹角的简易方法
At present, the method for determining anchorage angle of foundation beam with prestressed anchor-cable is usually the same as that in the prestressed anchorages engineering. Therefore, some slopes cannot be reinforced efficiently by foundation beam with prestressed cable because of the unreasonable designed anchorage-angle. 在现有预应力锚索地梁设计中一般直接沿用预应力锚索的锚固角确定方法,而工程中时有因锚索锚固角设计不合理导致结构工程失效的事例。
The pumping unit described in this article is an offset-type unit with the walking beam and horsehead as an integral whole, and on which the swing angle of the beam is up to 90 ° and the minimum drive angle of the four-bar linkage is 32 °. 大摆角抽油机是游梁、驴头为一体且游梁摆角达90°、四连杆机枸最小传动角为32°的偏置式抽油机。
Real-time Data Processing Software Development in Measuring the Divergence Angle of Gaussian Beam Based on Delphi 基于Delphi的高斯光束发散角测量数据实时处理软件开发
According to acquisition and tracking strategy and laser detection theory, an expression of the best angle of beam divergence under direct detection is provided. 根据捕获跟踪策略和激光检测理论,给出了直接探测情况下最佳光束发散角的表示式。
Study on the convergent angle of electron beam welding gun 焊接电子枪电子束会聚角的研究
But due to the effect of lasing angle of laser beam itself, the change of light path length in the process of machining may cause the diameter of laser beam to change accordingly, which affecting the quality of machining. 但由于激光束本身发射角的影响,在加工过程中光路的长度变化会导致光束直径的变化,从而影响加工质量。
The initial stress in material is obtained by measuring deflection angle of laser beam, and the stress of epoxy resin is detected by this method. The experimental results are good agreement with that theory analyze. 通过对激光偏转角的测量,得到材料内的初始应力,并对环氧树脂材料内的初始应力进行了测量,其结果与理论分析一致。
Arrival Angle of Beam Wave Propagation in Turbulent Atmosphere 湍流大气中束状波的到达角起伏
During the detection, because of vehicle bumps or uneven and longitudinal road surface causes the angle of laser beam and the surface change, this will affect the results and the accuracy of rut. 在进行车辙检测时,由于车辆行驶颠簸或路表纵向凸凹不平导致检测时激光束与路面夹角发生变化,影响车辙计算结果和精度。
The divergence angle of laser beam is a very important parameter in laser-quality evaluation system. 评价和判别激光光束质量的重要参数之一即是激光束散角,其精确测量在激光光束质量的评价体系中的重要作用不言而喻。
Considering the requirement for expanding the field of the view, sound-light scanning system is used in the experiments because the missile to the number of compound eye miniaturization with restrictions and scattered angle of laser beam expander limit. 当考虑到需要扩大视场时,由于弹载小型化对复眼配数的限制和激光束散角的扩束限制,实验中采用声光扫描系统。
In the part of transmitting optical system, in order to increase the operating distance, a beam expander telescope which is used for reducing divergent angle of laser beam is chosen. 其中,在发射光学系统中,为了增大系统的作用距离,本文选择使用扩束望远镜来压缩激光光束的发散角。
As for rigid beam-to-column connections, the inelastic rotation angle of the beam flange is roughly linearly proportional to the requirements of fracture toughness. 刚性梁柱节点梁端塑性转角和对梁翼缘焊缝断裂韧度的要求基本上呈线性关系。
To simply supported girder bridge, main beam first loses support at obtuse angle of the beam. 对于斜交简支梁桥,主梁会在钝角处首先失去支承发生落梁。