然后对透镜光纤的模场进行了分析和试验对比,得到与激光器模场相匹配的透镜光纤模型;
Secondly, the mode field of lensed fiber has been analyzed in experiment and theory, and the lensed fiber model matching the laser mode is given.
尺蠖驱动器按锁模机构分类。
Inchworm actuators are classified by the clamping mechanism.
在新技术背景下,存在着一种新型的信息:电子化二进制信息(不同于模因),还存在着一种新型复制装置:计算机和服务器(不同于大脑)。
There is a new kind of information: electronically processed binary information rather than memes. There is also a new kind of copying machinery: computers and servers rather than brains.
突然之间,你就变得和使用屏幕阅读器的人一模一样了——你们有着同样的需求。
Suddenly the person listening to a website with a screen reader is no longer different from you—your needs are the same.
文章提出了一种适用于交流伺服系统的鲁棒滑模控制器的动态设计方法。
A dynamic design method of robust sliding mode controller in AC servo system is proposed in the paper.
仔细的屏蔽通常能够衰减串模噪声,很多仪器都有内部的滤波器以进一步降低这种噪声的影响。
Careful shielding will usually attenuate normal mode noise, and many instruments have internal filtering to reduce the effects of such noise even further.
有低的差动输出阻抗绝大多数的线路驱动器,同时也固有地有低的共模输出阻抗,这样,低阻抗桥臂几乎无一例外地位于驱动器一侧。
Most line drivers with low differential output impedance will also have inherently low common-mode output impedances, so the low impedance arms of the bridge are almost always at the driver.
本文介绍一种基于多模自适应估计的联邦滤波器的原理和特点。
This paper introduces the theory and characteristics of federated filter based on multi model adaptive estimation.
然而它与一般滑模控制器相比有较大的跟踪误差。
However there has larger tracking error in the FNNSMC than that in the SMC.
实践证明,本文提出的专用处理器系统架构是实现多模无线基带处理器的一种有效方式。
The test result show, this system architecture proposed in this paper is one of effective way to implement the wireless multi-mode baseband processor.
从图3- 12可以看出,共模电流(ICM)是从电源线经过电源变压器通过电容耦合(CCOUPLING)而产生的。
As shown in Figure 3-12, common - mode current (ICM) is caused by capacitive coupling (CCOUPLING) from the power line through the power transformer.
利用非速度信息,如:电机的电压、电流及电机本身参数,通过滑模观测器产生控制器所需的速度反馈信息。
The control system utilizes a sliding mode observer for the generation of all controller feedback information by means of non-speed information, such as voltage, current and parameters of motor.
针对数控机床的位置伺服系统,为其控制器设计了一种复合滑模变结构控制算法。
Aiming at the position servo system of NC machining tool, this paper designs a kind of control arithmetic on compound sliding variable structure for its controller.
多模基带处理器芯片的设计已成为研究的热点。
Research on programmable baseband processor has become a hot point recently.
用傅里叶变换的方法分析了锁模激光器中模式间的相位和振幅涨落对锁模脉冲列特性的影响。
The Fourier transform method has been used to analyze the influence of modal amplitude and phase fluctuations in a mode-locked laser on performance of its output pulse.
上模轴心采用无段变速器器调速,下模采用皮带轮调速,上模有位移功能。
Speed adjustment by axis continuously variable transmission for upper mold, and by pulley for lower mold.
通过实验在高增益的TEA CO_2激光器中,得到了基模环形光斑输出。
The ring output spot of the fundamental mode is obtained from a high gain TEA CO2 laser by experiment.
针对常规滑模变结构控制方法在电磁轴承控制当中引起的抖动问题,将边界层法用于滑模变结构控制器的设计。
This strategy combines the fuzzy logics with the method of sliding mode control, thus can reduce the chattering without decreasing the robustness of system.
增益材料放置的对称性导致奇数阶纵模的损耗,从而增加了微激光器的调谐范围。
Certain symmetry in the allocation of gain material leads to depletion of odd longitudinal modes that, in turn, increases the tunability range of the microlaser.
首先研究了离线训练的滑模控制器,然后,给出了利用梯度下降法的在线训练方法。
First, a study of a sliding mode controller under on off training is made and then the on line learning algorithm using a gradient decent method is designed.
采用样条配置法数值求解环流器等离子体撕裂模方程。
Using spline collocation method to solve plasma tearing mode equations numerically is introduced.
正交模转换器采用方波导阶梯阻抗匹配与波导缝隙耦合的设计思想。
The ortho-mode transducer adopts the design idea of square waveguide stepped impedance matching and waveguide slot coupling.
分析了扩散器壳拉伸成形工艺特点,确定了拉伸成形模结构,并简述了该扩散器壳成形模结构设计优点。
The drawing technology characteristics of the diffuser shell was analyzed, the paper determined the drawing die structure, and simply stated the design merit of diffuser shell drawing die.
卫星信号仿真器在多模接收机和高动态接收机的研发中占有重要地位,它涉及到大量的数据计算和传输。
The satellite signal simulator plays an important role in developing multimode receiver and high dynamic receiver which involved mass data calculation and transmission.
本文对被动锁模激光器的涨落模型作了改进。
The fluctuation model of passively mode-locked lasers has been improved.
介绍了开闭器的结构及其工作原理,分析了开闭器在注射模开模过程和推出机构中的应用。
The structure and working principle of switching ware are introduced, the application of switching ware in opening process and rejecting mechanism of injection mold are analyzed.
介绍了开闭器的结构及其工作原理,分析了开闭器在注射模开模过程和推出机构中的应用。
The structure and working principle of switching ware are introduced, the application of switching ware in opening process and rejecting mechanism of injection mold are analyzed.
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