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- The Cassegrainian unstable resonator has been demonstrated to be one of efficient means to decrease the OPO beam divergence. 证明了望远镜型共焦非稳谐振腔是压缩OPO光束发散角的有效方法。
- Beam Divergence As through the air telecom signal go further, they diverge. Beam divergence measures that divergence. 波束发散度当电信信号穿过空气向前传播时,信号将发散。波束发散度用于衡量这种发散。
- By giving the optimum reflectance finesse, the maximum beam divergence and minimum aperture of the Fabry-Perot interferometer can be obtained. 由最优反射精细度可得到入射到标准具光束的最大发散角和标准具的最小通光口径。
- 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。
- It is used in the measurement of ranging accuracy,maxmun and minimum ranges,pulse energy,pulse width,repetitive frequency features,beam divergence and optical axis stability of LRF. 主要检测测距机的距离准确性、最大及最小测程、脉冲能量、脉宽、重频特性、束散角及光轴稳定性等。
- The results show that the effects on the output laser wavefront of the FADW are mainly the beam deflexion and the beam divergence, the other high-level wavefront errors are very low. 结果表明,自由旋涡气动窗口对输出激光波前的影响主要是光束偏转和离焦,特别是气动窗口工作在设计状态时,其余低阶及高阶像差都比较小,能够满足实际需要。
- She performed on the balance beam with much grace. 她在平衡木上表演得非常优美。
- Using Knife-edge Method at the Focus of a Lens to Measure the Beam Divergence of a Giant Pulse Laser Output 焦点刀口法测量巨脉冲激光的光束发散角
- The beam of the searchlight pierced the darkness. 探照灯的光柱射入黑暗中。
- Accuracy Affected by the Beam Divergence in A Fabry-Perot Etalon Based Wind Lidar 测风激光雷达光束发散对测量精度的影响
- His answer was right on the beam. 他的答案完全正确。
- Optimum ratio of beam divergence angle to pointing error for satellite-ground laser link 星地激光链路中光束发散角与跟瞄误差的最佳比值
- Accuracy affected by the receiveing beam divergence angle in a Doppler wind lidar 接收光路光束发散角对多普勒测风激光雷达测量精度的影响
- Selecting Optimum of Signal-to-Noise Ratio and Laser Beam Divergence for Laser Range-Finder 激光测距仪信噪比与激光发散角最佳值的选取
- Analytical method for beam divergence angle based on acquisition and tracking strategy 一种基于捕获跟踪策略的光束发散角分析方法
- Investigation of the Evolution of the Beam Divergence of Output Pulse from Injection Locking Copper Vapor Laser 注入锁定铜蒸气激光器输出光脉冲方向性的时间演化过程
- He struck the beam with his head. 他的头撞到梁上了。
- The measurement and result analyse of beam divergence angle of telescopic unstable resonator 望远镜非稳腔光束发散角的测量与结果分析
- The beam has a thickness of 3 inches. 这根梁厚3英寸。
- Never heard of her. You're off the beam. 我从来没有听说过这个人,你搞错了吧。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries