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- The optical beam can propagate stably with definite degrees of nonlocality. 在一定的非局域程度下,光束能以光孤子态在非局域克尔介质中稳定传输。
- The activities of palladium catalysed cross coupling reactions of substituted bromobenzenes were studied. 分析了温度、化剂、同取代基团对取代溴苯发生钯催化偶联反应活性的影响。
- No cross coupling between inductors due to low magnetic shield and high reliability. 漏磁小,不产生耦合,可靠性高。
- For having missile of two sets of the same side directions autopilot,there is cross coupling between two control channels. 对于具有两套相同侧向自动驾驶仪的导弹,两个控制通道之间存在交叉耦合。
- Its drilling unit consists of laser, optical beam expander, galvanometer deflective mirror and focus system. 制孔单元由激光器、光学扩束、振镜和聚焦系统构成。
- Six liquid crystals intermediates were synthesized by palladium catalysed cross coupling reactions with six substituted bromobenzenes and2 methyl3 butyne2 ol. 以4氟溴苯、,4二氟溴苯、,4,5三氟溴苯、碘溴苯、甲氧基溴苯、丙基溴苯为原料,分别与2甲基3丁炔2醇发生钯催化偶联反应,合成了6个苯基炔醇液晶用中间体。
- Stepped Impedance Resonators(SIR) taken as basic resonator unit of coaxial filters,a kind of generalized Chebyshev coaxial-cavity filter through cross coupling is designed. 利用阶跃阻抗谐振器SIR作为同轴腔滤波器的基本谐振单元,设计了一个利用交叉耦合来实现广义切比雪夫函数的同轴腔体滤波器。
- In this paper, a new imaging formula for diverging fiber lenses is derived by using the theory of Gaussian optical beam propagation and the ABCD law. 本文利用高斯光束传播理论以及ABCD定律,导出了发散纤维透镜新的成象公式。
- In the mathematical model of PWM rectifier in d-q synchronous reference frame, there is cross coupling between active and reactive components of the line current, which is difficult to control. PWM整流器在d-q旋转坐标系的数学模型中,有功电流与无功电流之间存在耦合,给控制带来困难。
- On the basis of analysis on error model of ultra precision CNC machine tool, the variant gain cross coupling control algorithm is introduced into the servo control of ultra precision CNC machine tool. 文章在分析超精密数控机床误差模型的基础上,将变增益交叉耦合控制算法引入超精密数控机床的伺服控制。
- The nonlinear graded index fiber lens is analysed Analyticexpressions for computing the focal length and beam waist radius ofthis lens are derived from the stationary self-focusing theory and theABCD law of Gaussian optical beam propagation. 本文对非线性变折射率纤维透镜进行了分析,利用高斯光束在非线性变折射率纤维中传播的稳态自聚焦理论以及在线性介质中传播的ABCD定律,导出了计算这种透镜的焦距及束腰半径的解析表达式。
- The energy required to generate enough hydroxyl radicals to destroy the cell membrane is much less compared to the energy required to inactivate the cell through DNA cross coupling. 用于产生足够羟基原子团以摧毁有机物细胞膜的能量相比较使DNA双螺杆结构钝化所需的能量少很多。
- It can also combine optical switching with the ATM(Asyn-chronous Transfer Model)switching when the speed of optical beam deflection reaches a level of nanosecond. So it can fulfil the demand for switching needed by high speed rate information network. 当光束偏转速度达到纳秒级时,该网络又可将光交换与ATM(异步转移模式)交换相结合,从而满足高速信息网络对交换的要求。
- Based on optical beam deflection (OBD), a fiber-optic diagnostic system is proposed to investigate the propagation of a laser-induced plasma shock wave and the oscillation of a cavitation bubble. 摘要采用自行研制的光偏转测试系统对强激光诱导液体物质的空化现象进行了实验研究。实验得到了激光等离子体冲击波传播规律和空泡的动力学特性。
- Tapered lensed fiber(TLF)can couples optical energy into PLCs integrated with spot size converter high-efficiently. 本文在深入研究、分析几种耦合方案的基础上,提出使用锥形透镜光纤(TLF)可以实现与带有模斑转换器的波导芯片的高效耦合。
- Different area of the photodiode will have different spectrum response during the test using small optical beam method.A semi-quantitative analysis is proposed to find the essential of the phenomenon. 摘要 通过对光电二极管结构和工作原理及光谱响应特性的分析,探讨了在相同工艺条件下,硅光电探测器的小光斑法测试过程中,不同大小光敏面得到不同光谱响应曲线问题。
- middle-infrared coupling optical system 中红外耦合光学系统
- Beamsplitter A device for dividing an optical beam into two or more separate beams, often a partially reflecting mirror. 将光束分离成两个或多个独立光束的装置,通常是一种特殊的反射镜。
- In the crossing coupling reactions, the yield is at similar level due to unobvious electron effect resulted from the existence of ketones. 苯环上取代基的种类及位置对反应也有影响。在交叉偶联中,由于有酮存在,因此电子效应不明显,产率差不多。谢谢大家!
- The horizontal beam on a cross or gallows. 横梁十字架或绞架上的水平横梁
