同步振荡

At first, a model of a pair of excitable neurons coupled via gap junction is built by Chay model, the effect of the strength of gap junction on the synchronous oscillation is studied;then, the synchronous oscillations of a 2-D network are also studied;at last, the Lyapunov exponent and phase portrait are utilized in the analysis of nonlinear, the approximate entropy is utilized to measure the complexity.

首先以Chay模型为基础建立了两个神经元电突触耦合模型，研究了不同电突触耦合强度对两个神经元同步振荡的影响；其次，研究了可兴奋神经元组成的二维网络的同步振荡；最后，应用李雅普诺夫指数和相图分析了同步振荡的非线性，应用近似熵分析了同步振荡的复杂性。

For the SSR in transmission system,the complex torque coefficient approach based on time domain simulation is used to analyze the influence of different degrees of series compensation and generator putout on the SSR.

针对输电网中串联电容补偿引发的次同步谐振，采用基于时域仿真实现的复转矩系数法分析不同发电机出力以及不同串联补偿度对系统次同步振荡的影响。

The subsynchronous oscillation characteristics of a synchronous machine connected to a static VAR compensator is studied with the complex torque coefficient method realized by time domain simulation, and some important conclusions are obtained which can guide the design and operation of SVCs to avoid SSO problem.

4基于时域仿真实现的复转矩系数法，对与静止无功补偿器SVC相联接的同步发电机组的次同步振荡特性进行了深入的研究，得出了一些重要结论，可为SVC的设计和运行提供避免SSO的依据。

Present the improving model named SAMPCNN by combing the PCNN and ODOG. The traditional PCNN model, if only by its characteristic of coupled oscillation, is not ideally in image segmentation.

传统脉冲耦合神经网络模型在应用于图像分割时，若仅仅依靠模型的同步振荡特性，效果并不理想。

Our simulation results show that in some cases, the network model can generate the spindle waveform which is an electrographic mark for falling asleep. This results may enlighten us that it is possible to use the simulation results of these models to search for the further sleeping mechanism and the information processing about how the microscopical electric activities in billions of synaptically coupled neurons can be integrated to the macroscopical function states by synchronized oscillations in human brain.

这一网络模型的仿真结果，在一定条件下，确能在皮层细胞处出现符合睡眠分期中规定的标志入睡的纺锤波，这一初步结果，启示我们用模型仿真方法来进一步探讨睡眠机制和用模型仿真方法来进一步探讨人脑的微观神经元的电活动是如何通过同步振荡整合到宏观功能状态的某些信息处理过程的可能性。

The results are indicated that only the strength of gap junction is large enough, can the abnormal oscillation propagate to synchronize the other neurons around and the process is chaotic and complex;the nonlinear and complexity of the oscillations with strong strength of gap junction are larger than that of oscillation with weak strength of gap junction.

结果表明：只有电突触耦合达到一定强度时，异常振荡才能传导并引起神经元的同步振荡；传导活动是混沌和复杂的；在突触耦合强度较强时的神经元活动的非线性和复杂性要强于其在突触强度较弱时的。

Three results are received:(1) The population of neurons can synchronize when the strength of gap junction is large enough and the process is chaotic and complex;(2) The nonlinear and complexity of the seriously disorder oscillation are larger than that of slightly disorder oscillation in a 2-D network;(3) The nonlinear and complexity of the oscillations with strong strength of gap junction are larger than that of that with weak strength of gap junction.

结果表明：电突触达到一定强度时神经元群才能同步振荡，这种活动是混沌和复杂的；同一网络中异常节律较严重的神经元活动的非线性和复杂性要强于异常节律较轻微的神经元；突触耦合强度较强时的神经元活动的非线性和复杂性要强于其在突触耦合强度较弱时的。

The resultant audible frequency when two sources of unequal undamped electrical oscillations of constant amplitude act simultaneously in the same circuit.

振幅为常量的非平衡无衰减电子振荡的两个振荡源在同一电路中同步振荡时产生的音频。

The synchronous oscillation and propagation and the forward problem of the nerval activities are the main contents of the dissertation.

对可兴奋性神经元的同步振荡及其传导以及神经电活动正问题的研究是论文的主要内容。

In this paper, using transient energy function as the assessment of system stability and applying the derivative of TEF to determine the control strategy of Fault Current Limiter with controllable series compensation in transient stability process, the transient stability characteristics can be effectively improved and subsequent oscillation can be quickly damped.

1引言具有可控串联补偿功能的故障限流器(FCL with controlled series compensation)作为灵活交流输电的主要装置之一，装设在并行线路具有许多优点。如图1所示，正常工作时，它能连续、快速、大范围地调节线路阻抗，从而灵活调节线路电流、增强系统阻尼、改善系统动态性能、抑制次同步振荡。

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。