同步器

For the data provided by BCI competition,the parallel coordinates visualization method is used to recognize the imaginary right and left hand movements based on the phase synchronization coherency index and linear discriminant analysis.

本文以脑机接口竞赛的运动想象脑电数据为对象，以平行坐标可视化技术为手段，基于相位同步指数和线性判别分类器对左右手想象意识任务进行识别。

The first design is to change the recoding method, and increase the probability of zero partial product by 6.25%. Then we can speed up the asynchronous booth multipliers based on the characteristic of asynchronous circuit.

第一种改良，则是改良加码器的部分，而使产生的部分乘积为0的机率增加，可到达6.75％的增加，将此种改良用於非同步乘法器的设计，可使得速度上得到14.8％的加速。

STATCOM is an patroller FACTS equipment. Compare with the rational Static Var Compensator SVC, STATCOM has many outstanding advantages, so it will take the place of SVC overwhelmingly.

研究首先论述了电力系统发展的背景和无功补偿的必要性，进而论述了个各种SVC装置（如饱和电抗器、晶闸管控制电抗器、晶闸管开关电容器）的工作原理与特性，静止同步补偿器的优点。

The instrument simultaneously sample for three phase voltage and current. Rotary photoelectric coding switch and LCD are used for human-computer interaction. it makes the interface compact and efficient. Utilizing the function of positive and negative edge trigger of the programmable counter array unit in MPU, signal zero-cross is captured for the phase detected based on double way. The software synchronism sampling method based on real-time parameter self-optimizing minishes period truncation error, and the measurement accuracy is improved. The digitization power measure imports traditional two-unit and three-unit methods and expands application range of the instrument. The capacity is discriminated by soft ware table-look-up on the load loss. The value of a quantity is converted to the value when reference temperature (75 ℃) from test temperature.

该仪器具有以下特点：仪器对三相电压电流同时采样；基于旋转式光电编码器和液晶显示屏的人机交互界面简洁而高效；可编程计数器阵列PCA"捕获"信号的过零点用于双向过零平均鉴相，得到准确的相位差和周期；基于实时参数自寻优的软件同步采样，有效地减小了周期截断误差，提高了测量准确度；数字化功率测量引入了传统的二表法和三表法，扩展了仪器的使用范围；实际容量根据负载损耗用软件查表的方法来判别；测量值已从试验温度折算到了参考温度(75℃)时的值。

In this paper, some problems that have to be faced with in the application of SPLL to static synchronous compensator are analyzed, and two improvements of SPLL are proposed. The first one is removing the filtering function of lead-leg element into the prepositive delayed signal cancellation element to remedy the difficulty in deciding its parameters; the second one is directly taking the post-PI regulation output of q-axis voltage as error signal of phase to call off the forward integrating element.

分析了软锁相环应用于静止同步补偿器时面临的若干问题，并提出了2方面的改进方案：一是针对超前/滞后环节参数选取困难的问题，将其滤波功能转移到前置延时信号消除环节中；二是q轴电压经PI调节的输出直接作为相位的误差信号，减少了前向积分环节。

This thesis presents the design and implementation of a high-efficiency high-current switch-mode quadrupole magnet power supply for synchrotrons.

本论文设计并制作一高效率、高输出电流应用於同步辐射加速器之四极磁铁电源供应器。

Non-sinusoidal circuit, reactive power, quasi-synchrony algorithm, IIR-hilbert transformer

非正弦电路；无功功率；准同步算法；IIR-Hilbert变换器

Oriented to closed chest compression,artificial ventilation ,synchronous defibrillation and early advanced life support,this resuscitator is as excellent as foreign like products and is postured for first aid of pre-hospital and hospital patients with cardiac and respiratory arrest.

一种新型自动胸外按压心肺复苏器采用气动电控原理设计制作，集胸外按压和人工通气于一体，并支持同步除颤和早期高级生命支持，具备国外同类产品性能指标，填补了国内该类产品研究的空白，适合院前和院内心跳呼吸骤停病人的急救。

Based on parallel recursive synchronous scramble method, an novel extension bit method for parallel frame synchronous scrambler is proposed.

在递推公式并行扰码处理方法的基础上，提出了一种使用扩充比特进行帧同步扰码器设计的新方法。

The results obtained from the simulation testing by double digital signal processing system confirm that the DTC system fits for synchronous motor with screw propeller by three level inverter and the system operation performance is perfect.

采用双DSP系统对电动机带螺旋桨负载的推进系统进行了半实物仿真，结果表明文中提出的控制策略能对三电平逆变器供电的同步电动机实施高性能的调速控制。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失