查询词典 calculating

The key POints of the IEC method for calculating the short circuit current and its heat effect of a three-phase current system are described and elucidated specifically by examples.

介绍IEC三相交流系统短路电流计算方法的重点和短路电流热效应计算，并用例题介绍其具体使用情况。

The thesis expounds the necessity of application of arc prolong measure in synthetic test,introduces general practices of arc prolong methods and their working principle at home and abroad,and proposes design criteria and parameter calculating method for arc prolong circuit .

论述了合成试验采取延弧措施的必要性，介绍了国内外大功率试验室通用的延弧方法和工作原理，提出了延弧回路的设计原则和参数计算方法，并对影响延弧效能的因素进行了分析，最后叙述了提高延弧成功率的措施以及今后可能出现的问题。

Take advantage of the high-speed calculation capability of DSP. Without any additional speed-measuring circuit,calculating the running speed.,then modulating PWM can be easily made to control the speed of the motor.

充分利用DSP高速的运算能力，在不需要另加测速电路的情况下，软件计算电机的在转速度，然后根据在转速度，调节PWM波的占空比，很方便实现电机的调速，达到电机无传感器的控制。

The voltage wave of open circuit is 1.2/50 μs and the current wave of short circuit is 8/20 μs , which are generated by the combination wave generator through calculating and simulating circuit parameters.

通过计算回路参数及仿真，此组合波发生器能够产生1.2/50μs 的开路电压波和8/20 μs 的短路电流波。

The basic concept and modeling of PDS are firstly narrated, then the method of calculating target impedance of a circuit PDS is introduced. At last a simulating and analyzing method using SPECCTRA Quest PI is put forward to verify the PDS.

结合PDS在不同频率时存在不同的输入阻抗，介绍了如何计算电源分配系统目标阻抗的方法，通过SPEC-CTRA Quest Power Integrity软件对电路的电源分配系统目标阻抗进行了仿真与分析。

The operational principles of this device, the calculation method and steps of the magnetic circuit , the magnetic field partition of working air gap,and the calculating of the magnetic circuit with magnetic leakage coefficient method are introduced.

用3块永磁铁组成磁路，制成磁力研磨装置，用于零件的小面积研磨。介绍其工作原理、磁路的计算方法、步骤，以及对工作气隙进行磁场划分，用漏磁系数法计算磁路

Through the Getting Started chapter of this book and improve articles, proficient in articles, gradual and progressive approach to introduce the working principle of the color TV, color TV calculating common circuit analysis, but also introduced a variety of typical color TV Maintenance of ideas, repair methods and techniques.

本书通过入门篇、提高篇、精通篇，循序渐进，由浅入深地介绍了彩电工作原理，常见彩电机心的电路分析，还介绍了彩电各种典型故障的检修思路、检修方法和技巧。

Magnetic flux, flux density and induced voltage under different electrical excitation are obtained by calculating the nonlinear magnetic circuit equation.

通过求解非线性磁路方程，计算得到不同励磁磁势下径向与轴向磁路的磁通分布、主气隙磁密、空载感应电势。

A phase error measurement circuit for calculating a phase error value comprises: a multi-phase clock generator, a memory unit, and a counter.

一种用以计算一相位误差值相位误差测量电路包括：多相位时钟产生器、存储单元、以及计数器。

It simulates the circuit breaker with a zero impedance branch, and adopts the linear network characteristic and theory, variable structure and variable parameter analyses to transfer the short-circuit current flow in the bus-bar equality into each side of circuit breaker, and deduces the sequence component model and algorithm for calculating the short-circuit current of circuit breaker when the short-circuit fault occu...

该方法将断路器作为一条阻抗为零的支路来模拟，运用线性网络特性、定理及变结构与变参数的分析方法，将母线上短路时的短路电流等值转移到断路器两侧，导出了相当于在断路器两侧分别发生短路故障时，流过断路器的短路电流的序分量模型和算法。

The receding calculations and experiment analyses in this subject are built on the blood cast of pig tongue.

本研究课题的前期工作是采用猪舌血管铸型模拟人舌而进行的数值计算与实验分析。

"Each human infection constitutes an opportunity for genetic modification of the virus through reassortment, mutation, or both...."

&每一次人类的感染都暗藏着一次基因修改的机会，无论是通过病毒的整合、突变或者兼而有之。。。。&