查询词典 function and power

On the basis of the power spectra of earthquake records, the parameters of the power spectral density function of the twice filtered Gaussian white noise process are determined by adopting the least squares procedure of a nonlinear function.

根据地震记录的功率谱，采用非线性函数的最小二乘法，确定了两次过滤Gauss白噪声过程的功率谱密度函数的参数。

With the development of energy conversion technology, the PWM rectifier has attention much focus in the field of power electonics. Because of the function of harmonic elimination and power factor correction, the PWM rectifier can be used as an ideal network between equipment and power system.

随着绿色能源技术的发展，PWM整流技术成为电力电子技术研究的热点和亮点，PWM整流器可以成为理想的用电设备或电网与其他用电设备的接口，因为它能够实现电网污染治理和可调节功率因数。

Joseph Nye coined the term "soft power" in 1990, and has published a new book, Soft Power, in 2004. However, he does not provide a clear concept of soft power, and he does not explain its function in international relations.

1990年约瑟夫·奈发明了"软权力"一词，并于2004年发表了一本新著《软权力：在世界政治中获得成功的途径》，然而他并没有给出一个清晰的软权力概念，也不曾解释软权力在国际关系中的功能。

A switching mode power supply with an active load detection function which supplies AC power input to a primary coil of a transforming element, then to a secondary coil of the transforming element, and then rectifies and outputs the AC power is provided.

要約 本发明提供了一种具有有源负载检测功能的切换模式电源，用于向变压元件的初级线圈、然后向所述变压元件的次级线圈提供交流功率输入，然后整流和输出所述交流功率。

Based on the conversion of trigonometric function ,a novel real-time algorithm of reactive power similar to that of active power is presented,which reactive power is speed-ily and accurately measured by the voltage,current and frequency.

运用三角函数变换的方法，提出了一种新颖的与计算有功功率相似的电网无功功率的离散化实时算法。

This design is aims at the situation of Qianjiaying Mine existing protective device electivity leakage protection malfunction, development the high voltage intelligence switch has the protection function of leakage, overload, short circuit and monitor, thus reduces the breakdown power cut scope,and it is advantageous for the troubleshooting, reduces the power cut time, enhances the reliability of power supply.

本设计是针对钱家营矿现有的保护装置选择性漏电保护功能失效的情况，开发具有漏电、过载、短路和监视等保护功能的高压智能开关，用以减小故障停电范围，便于寻找故障，缩短停电时间，提高供电的可靠性。

Secondly, based on the function analysis of EV test bench, using the modular design idea, this dissertation compartmentalizes the functional module of EV test bench, and analyzes the essentially comprising of the modules such as driving module, power take off module, inertia simulation module, load simulation module, main control module and power supply module. Especially introduces selection principles of driving motor of power take off module.

其次，在对电动汽车试验台功能进行分析的基础上，采用模块化设计的思想对电动汽车试验台的功能模块进行了划分，并就驾驶引导模块、动力输出模块、惯量模拟模块、负载加载模块、试验台主控模块和电源模块的基本组成进行了深入分析，并在动力输出模块部分着重介绍了驱动电机的选择原则。

This article is based on the optimal power flow calculation system optimization, the price in generating cost for target function, through constructing Lagrange equation using matrix calculation, to find the shadow price equation and the proportion of each node determine the price, the coefficient of power transmission and power nodes.

本文是基于最优潮流计算对系统电价最优化，以发电成本为目标函数，通过构建拉格朗日方程，运用矩阵计算对方程求解，寻找影子价格确定各节点电价的比例系数，由此求出节点电价和传输电价。

Joseph Nye coined the term "soft power" in 1990, and has published a new book, Soft Power, in 2004. However, he does not provide a clear concept of soft power, and he does not explain its function in international relations.

1990年约瑟夫·奈发明了&软权力&一词，并于2004年发表了一本新著《软权力：在世界政治中获得成功的途径》，然而他并没有给出一个清晰的软权力概念，也不曾解释软权力在国际关系中的功能。

An electromagnetic power steering kinematics model is built combined with the sensor and power equipment"s kinematics characteristic, then according to bond graph theory the bond graph model and diamond model of the electromagnetic power steering system are built based on the kinematics model. They could lead to the system"s transfer function, which is combined with automobile"s two freedom degree model, finally leads to the system"s model in condition with step input of steering wheel.

结合转矩传感器和电磁力发生装置的动力学特性建立了电磁式助力转向系统的动力学模型，然后在系统的动力学模型的基础上根据键合图理论建立了电磁式助力转向系统的键合图模型及其方块图模型，从而导出系统的传递函数，再结合二自由度汽车模型，最终建立了系统在方向盘转角阶跃输入下的模型。

Molecular Distillation is a kind of high vacuum distillation method, which is suitable for the separation of high boiling, heat sensitivity and viscidity products.

分子蒸馏技术是一种在高真空条件下进行的连续蒸馏过程，适合于分离高沸点、热敏性及具有生物活性的混合物。

They are to the Noughties what yuppies were to the Eighties .

那在六十年代是时髦的，但在八十年代肯定是过时了