Therefore, a new approximation model for alternating phase shift mask considering shadowing effects was proposed in this paper, and shadowing ratio was redefined.
因此本文针对交替式相移掩模，提出了一种考虑阴影效应的近似模型。
In addition to alternating phase difference between two aims of interferometer, the intensity of light of the interference fringes will vary in the same frequency, which is called as phase modulation.
当两相干光附加一按固定频率变化的相位差时，其干涉条纹的光强将随之交变，即为相位调制干涉。
The negative effect produced by ionization of the dielectrics is reduced with the phase factor of alternating electric signals.
利用交变电信号的相位项，降低由电介质电离而产生的负效应。
On the railway of electrization, power supply mode is requested to be the single-phase alternating current.
在铁道电气化牵引区段，牵引供电网采用单相工频交流电供电方式。
Primary electrical power is provided by two engine driven generators which supply three-phase, 115 volt 400 cycle alternating current.
主电力是由两个发动机驱动发电机供应三相，115伏400周期交流电。
Analyse principle of operation, technology feature of single-phase alternating current induced liquid metal electromagnetic pump wave soldering machine.
重点分析单相交流感应式液态金属电磁泵波峰焊接设备技术的工作原理、技术特征；
The product of the effective values of the voltage and current with the cosine of the phase Angle between current and voltage in an alternating-current circuit.
伏特量交流电路中电压与电流的有效值以及电流与电压之间相位角的余弦之乘积。
An alternating current phase tracking (PTAC) homodyne scheme has been used to process output signal of the Michelson interferometer.
在信号处理过程中采用了交流相位跟踪零差补偿技术(PTAC)。
This is an alternating operation method for the long distance deoppilant and transportation of dense phase materials.
本发明是一种浓相粉状物料长距离疏通与输送交替作业的方法。
It provides a method for the untouched switch Control for three - phase alternating current motor.
为大功率三相交流电机的无触点控制提供一种方法。
The hybrid integrated optical accelerometer is a kind of practical accelerometer, which adopts optical phase modulation and alternating current phase tracking and homodyne compensation scheme (PTAC).
混合集成光学加速度计是一种实用型的实时加速度传感器，在信号处理过程中采用了光相位调制和交流相位跟踪零差补偿技术(PTAC)。
Vsually we measure linking groups of three phase transformer in alternating current method.
三相变压器联接组的测定通常采用交流法。
This paper introduces a kind of electric circuit which mainly consists of a peak detector and a pulse-width discriminator for protecting the three-phase alternating-current supply with loses a phase.
介绍了一个主要由峰值检波器和脉冲宽度鉴别器构成的三相交流电源缺相保护电路。
It's significant to study the regulation of active power of three-phase synchronous generator by way of the alternating power source of three-phase industrial frequency.
三相同步发电机作为三相工业频率的交流电源，研究其有功功率调节具有重要意义。
The power lines (pl) may particularly be supplied with alternating electrical signals that are identical besides a phase shift.
尤其可以为电源线(PL)供应除相移之外都相同的交流电信号。
A three-phase alternating current parameters instrument to be used in industry is designed. It can measure the voltages, currents, power factors of each phase of three-phase alternating current.
设计开发一种工业用三相交流电参数仪，能够测得三相交流电各相的电压、电流、功率、功率因子等参数；
The test on three phase alternating voltage has shown that this system has good reliable performances and can afford evidence for finalizing the design of power supply system made in our country.
通过对三相交流电压的测试试验，验证了该系统的可靠性，可为国产电源系统的设计定型提供依据。
A power converter circuit (3) drives a switching device by the pulse-width modulated wave for converting a direct current into the three phase alternating current.
电力变换器主电路部（3），其根据该脉冲宽度调制波对开关元件进行驱动，将直流电压转换为三相交流电压；
The modified types will not be equipped with commutation transformer and the three-phase alternating current power supply directly acquires DC voltage through bridge type rectifier.
改进型不配整流变压器，将三相交流电源直接由桥式整流获得直流电压。
The PAL (Phase Alternating Line) standard was introduced in the early 1960's and implemented in most European countries except for France.
在PAL制式(相位交替行)标准是在60年代初期提出并在除法国大多数欧洲国家实施。
The PAL (Phase Alternating Line) standard was introduced in the early 1960's and implemented in most European countries except for France.
在PAL制式(相位交替行)标准是在60年代初期提出并在除法国大多数欧洲国家实施。
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