动电

Objective To explore the therapeutic and clinical value of IVA-CPT testing for Diagnosis and treatment for child attention deficit and hyperactivity disorder by biofeedback electroencephalograph.

目的 探讨视听整合连续性测试对儿童多动症的诊断和脑电生物反馈治疗ADHD的疗效及临床价值。

In order to eliminate the effect of artifacts in electroencephalograph signals, such as electrocardiogram and electrooculogram, etc., a new ICA method with multi-references is proposed based on the fixed-point algorithm and the ICA algorithm with references.

为消除脑电信号中的心电、眼电等伪差，在已有的不动点算法和带参考信号的独立分量分析算法的基础上，提出了一种多参考信号的独立分量分析方法。

The rapid motion of the electros causes the sluggish nuclei to "see" the electron as a charge cloud, rather than as a discrete particle.

电子的快速运动使得缓动的核把电子"看成"象电核云，而不是象分立的粒子。

By using virtue work principle and first order shear plate theory,the finite element formulations of piezoelectric sensors and actuators arederived.

给出了采用虚功原理及一阶剪切变形理论导出的压电传感和作动有限元方程。

The nonlinearities, uncertainties and unknown disturbances, such as second-hand DC motors, vibration effect, variable friction, gear backlash, stick-and-slip and self-made driving circuits, of the proposed platform affect the dynamic behavior very much.

本文提出一神经模糊动模式控制架构并应用於小台控制系统。这个实验平台的非线性、确定性及未知干扰，如：二手的直马达、振动效应、变动的摩擦、齿间隙、平顺运转及自制驱动电，严重影响系统的动态为。

Hydro-electric gyrator, discharge gate, sub-feeders, such as over a hundred kinds of products are widely used in mining, electricity, coal, metallurgy, transportation, chemical industry, water conservancy and other industries.

电液动回转器、卸料闸门、分料器等百余种系列产品广泛应用于矿山、电力、煤矿、冶金、交通、化工、水利等行业。

The high-power system including main circuit, the charging and discharging circuit of synthetic circuit test system, and the principle of charging and discharging for current supply using electrolytic capacitor is presented. At the aspect of circuit breaker control, the advanced permanent magnetic actuator is used and analyzed in this paper, including the precision computation and using in synthetic circuit. The trigger circuit of voltage supply is designed, and the intelligent control is used to trigger the igniting gap. And the integraph based Rogowski coil is designed and employed the intelligent detection of breaking current.

强电系统介绍了合成回路试验系统的主电路及其充放电电路，讲述了电流源采用电解电容器的充放电原理；断路器控制方面，采用当前比较先进的永磁操动机构，并对永磁机构的原理、精度计算和在合成回路中的应用做了详细地分析；设计并制作了电压源点火回路，对球隙点火进行智能控制；在智能检测开断电流方面，设计并制作了与Rogowski线圈相配合的积分器。

The objective of this research was control a long stroke inchworm type positioning stage. Consider the factors that may affect positioning precision include the nonlinearity of piezoelectric actuator and phase lag cause by feedback control. Use model of hysteresis and zero phase error tracking controller to improve the tracking ability and reduce the phase lag of the system.

因此在本研究中，对於一个蚇蠖式长行程平台研究控制方法，考虑可能影响定位精度的因素，包括压电致动器的非线性特性与系统因为闭回路控制架构造成的响应相位落后现象，利用迟滞数学模型的建立与零相位误差追踪控制器的设计来改善系统的追踪能力与相位误差。

That electricity from a Leyden jar or an electric machine would cause the legs of a dead frog to move.

莱顿瓶或电器发出来的电竟使死蛙的腿动起来。

In order to effectively decrease integral saturation, lower down the sensitivity to noise, make the piezoelectric micro motion worktable response quickly with small overshoot and get high accuracy under control system, the control arithmetic with feed-forward compensated integral and weighted differentiated PID has been created.

为有效地减小积分饱和并降低对扰动的敏感性，使压电微动工作台在控制系统的作用下，响应快，超调小，稳态精度高，构造了一种带有迟滞非线性模型前馈补偿的弱积分与加权微分PID控制算法。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。