同步

The result shows that the static state stability limit value of a. c. exciting generator relates to rotor slip.

验证了异步化同步发电机在任一滑差点异步化同步稳定运行时功-角特性的正确性。

C. exciting generator is discovered in this thesis for the first time, which indicates a. c. exciting generator can be in stable asynchronized operation and gives a challenge to classic concept that an a.

为了进一步分析异步化同步发电机的运行特性，本文系统地推导了异步化同步发电机电磁暂态过程和机电暂态过程的基本方程式。

The method of bang-bang control of a. c. exciting generator has been verified and the correct results are achived, which lays a foundation to apply a. c. exciting generator in industrial practical operation.

试验验证了异步化同步发电机鲁棒控制方法的正确性和可行性，从而为异步化同步发电机工业实用化运行奠定了基础。

At the same time, those design indexes is realized well by means of selecting superior performance electronic apparatus abortively. Because of a great deal of digital EEG data and the demands on real-time display and synchronous data acquisition, a kind of multi-channel synchronous data acquisition system is

由于数字化的脑电信号数据量大，为满足实时显示以及同步采集脑电信号的要求，设计出了基于双端口和USB通讯接口的多通道同步数据采集系统，使脑电图仪与微机之间进行高速、可靠的数据传输成为可能。

In the second chapter, we investigate propagations of desynchronous disturbances in synchronized chaotic one-way coupled map lattices. It is well known that spatiotemporally chaotic systems with large gradient couplings may show convective instability under the absolute stability condition of chaos synchronization. This convective instability is the key reason for the effective propagation of control signals.

时空混沌在不同的耦合系数情况下会表现出不同的动力学行为，用驱动实现具有强梯度耦合系数的时空混沌同步时，会观察到在绝对稳定条件下被驱动系统表现出对流不稳定性，这种对流不稳定性是在单个信号驱动下实现混沌同步的关键原因。

This project may contain out of synch actuals }This actuals in this project may be out of synch with the actuals updated from timesheets.

此项目可能包含不同步的实际值}此项目的实际值可能与时间表中更新的实际值不同步。

Algebraic logic 2 logic function based on the express ways and simplification of the 3 in the scale of integrated circuits analysis and design of 4 flip-flops and a simple application circuit 5 synchronous sequential circuit analysis and design of 6 common synchronous sequential circuit 7 integrates asynchronous sequential circuits analysis and design of digital logic 8 the latest developments in technology is our university teachers digital logic courseware, very good

逻辑代数基础 2逻辑函数的表示方式和化简 3中规模集成电路的分析和设计 4触发器及其简单应用电路 5同步时序电路的分析和设计 6常见的同步集成时序电路 7异步时序电路的分析和设计 8数字逻辑技术的最新发展是我们大学老师数字逻辑的课件，非常不错

When the optical fiber polishes, the motor leads the polishing disc to do revolving and swinging motion through vertical eccentric shaft by two synchronizations rotary motion with the ambulacrum.

光纤抛光时，电机经同步带带动两个同步旋转运动的立式偏心轴从而带动抛光盘作旋摆运动，光纤端面在外力的作用下紧压在抛光盘上，依靠光纤端面与贴在抛光盘上的固着磨料磨具之间的摩擦从而达到对光纤端面的抛光作用。

In chapter 5, we present the analytic spectrum and light curve of these synchrotron radiating electrons, applying a treatment more reansonable and stricter than methods in the literature and convenient for calculating those of synchrocurvature to reveal physical nature of the magnetic field formation and acceleration of particles in shock.

在第五章，我们给出了这些电子能谱的解析同步辐射谱和光变曲线。我们的处理方法比文献中的方法更合理且更严格。它也更方便我们下面利用同步曲率机制去计算余辉的辐射谱和光变曲线，以期揭示激波中磁场形成及粒子加速过程的物理内涵。

This paper attempts to associate PFC technology with Quasi-Resonant DC/DC Converter and Synchronous Rectifier technology, to work out a novel switching power supply with higher efficiency and low contamination, which both achieved high power factor, improved effecting on electrical network and ensured high efficiency, furthermore, it is easy to be realized and controlled in circuit.

本文首先阐述了开关电源、功率因数校正技术和同步整流技术的发展及现状，对DC/DC变换的拓扑结构进行了选择，确定了带有隔离的准谐振(Quasi-Resonant)反激型电路，可以有效地降低损耗；接着本文对几种常见的PFC拓扑电路进行分析对比，从中选择了BOOST型电路，对工作在临界状况下的电路进行了分析，采用跟随输入电压的升压变换新技术，减小了电感体积，同时降低了开关管的电压应力，既简单又有效地实现了功率因数校正，并发现此技术值得推广；由于反激型变换器的效率一般都较低，所以本文在传统同步整流技术基础上对其加以改进，设计出一种新颖、高效的同步整流方案。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。