纵向位置的英文
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"纵向位置"怎么读用"纵向位置"造句
英文翻译手机版
- lengthwise position
- "纵向"英文翻译 direction; machine direction ...
- "位置"英文翻译 seat; place; location; site
- "浮心纵向位置" 英文翻译 : longitudinal center of buoyancy; longitudinal center on buoyancy
- "漂心纵向位置" 英文翻译 : longitudinal center of flotation
- "重心纵向位置" 英文翻译 : longitudinal center of gravity
- "压力中心纵向位置" 英文翻译 : longitudinal pressure center
- "向位置" 英文翻译 : u position; v position
- "纵向位移" 英文翻译 : fore-and-aft motion; fore-and-aft travel; length travel; lengthwise displacement; longitudinal displacement; longitudinal travel
- "u向位置" 英文翻译 : u position
- "背向位置" 英文翻译 : trailing position
- "垂向位置" 英文翻译 : vertical position
- "航向位置" 英文翻译 : course position
- "横向位置" 英文翻译 : horizontal position; lateral attitude
- "径向位置" 英文翻译 : radial position
- "门横向位置" 英文翻译 : gate lateral position
- "切向位置" 英文翻译 : tangential position
- "弦向位置" 英文翻译 : chordwise location; chordwise position
- "轴向位置" 英文翻译 : axial position
- "准向位置" 英文翻译 : boresight location
- "后轴纵向位杆" 英文翻译 : rear axle radius rod
- "纵向位移阻力" 英文翻译 : resistance to longitudinal displacement
- "浮心垂向位置" 英文翻译 : vertical location of center of buoyancy
- "浮心横向位置" 英文翻译 : transverse location of center of buoyancy
- "束流径向位置" 英文翻译 : radial beam position
- "重心垂向位置" 英文翻译 : vertical center of gravity
例句与用法
- According to the guidline , two nd : yag lasers have been designed and set up , one is end - pumped by lower output power ld using a selfoc micro lens , and the other is end - pumped by high output power ld using a pair of lenses are designed , and the characteristics such as output power and power stabilization of both solid - state lasers are investigated . thirdly , when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld , the laser can operates in single axial mode . finally , according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently , the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode , the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam , both the measurement range and the sensitivity are dependent on the incident pumping power , as the incident pumping power is increased , the measurement range is enlarged and the sensitivity is improve d
本文首先介绍了ld泵浦nd : yag激光器的发展状况、主要特性及其应用,从四能级速率方程出发,推导了ld泵浦nd : yag激光器的阈值、输出功率和斜效率的表达式,并简述了激光器的工作原理、结构型式和倍频方法;其次,以空间相关的速率方程为基础,提出了ld端面泵浦nd : yag激光器的设计方法,给出了一定泵浦耦合方式下,振荡光模尺寸、最佳输出耦合率、泵浦光模尺寸、泵浦光焦斑位置等参数的选取依据,以此为依据,设计了自聚焦透镜耦合小功率ld泵浦nd : yag激光器和透镜组耦合高功率ld泵浦nd : yag激光器,对激光器的输出功率和功率稳定性等特性进行了实验研究;再次,在带尾纤输出的高功率ld泵浦nd : yag激光腔内插入一只空液晶盒,观察到了激光器以单纵模运转;最后,根据泵浦光焦斑端面位置对激光输出功率的影响规律,提出了ld端面泵浦nd : yag激光位移传感新方法,并进行了理论和实验研究,研究结果表明:当激光晶体内泵浦光平均光斑半径远小于振西安理工大学硕士学位论文荡光束腰半径时,激光输出功率的自然指数与泵浦光焦斑的纵向位置成高斯变化规律,测量范围和灵敏度依赖于泵浦功率,随着泵浦功率的增加,测量范围扩大,灵敏度提高,当端面泵浦功率为7 . 24w (最大输出功率为1 . 926w )时,激光位移传感器的测量范围和灵敏度分别是13 . 045mm和0 . 148mw / pm 。
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