wave current的例句大全

An improved triangle-wave pulse-width modulation current control method is presented, based on the mathematic model of parallel APF ( Active Power Filter).

在分析有源电力滤波器APF（Active Power filter）数学模型的基础上，提出了改进的三角波脉宽调制电流控制方法。

In this article, the effect of rectangle wave pulse current on non-directional and unidirectional solidification processing and structure of hypoeutectic and hypereutectic ( Al-Cu) alloys were experimentally investigated.

本文针对单极方波脉冲电流对亚共晶和过共晶[Al-Cu]合金非定向凝固和定向凝固过程和凝固组织的影响进行了实验研究。

Distribution of time average velocity in wave-current combined flow

波浪和水流共同作用下水流时均流速分布

Three-phase half wave controlled rectifier, hysteresis comparison mode current track control, and realization of SVPWM by S-Function are used as examples to describe the usage of the software.

并以三相半波可控整流电路、滞环比较方式的电流跟踪控制、利用S函数实现空间矢量脉宽调制为例说明了软件的使用方法。

The elastic guided waves are generated by application of the static bias magnetic field and the dynamic magnetic field which is induced by the alternating current passing the exciting coil, and the elastic guided wave displacement formula is derived by its equation of motion in the steel pipe.

在静态偏置磁场和通过传感器激励线圈交变电流形成的交变磁场作用下，管道中产生弹性导波，由弹性导波运动方程，推导其位移表达式，由位移求出应变。

The Realizes of Single Chip Microcomputer Control Stepping Motor Chopping Wave Constant Current Division Driver

单片机控制的步进电动机斩波恒流细分驱动器的实现

Current research mainly includes two methods: one method is according to the conversion relation between the pressure and volume pulse wave, another method is to use the pulse propagation time measure blood pressure.

目前的研究主要包括两种方法：一种是根据容积脉搏波和压力脉搏波之间的转换关系得到血压；另一种是利用脉搏波传导时间测量出血压。

the difficulties in the current third generation wave model are briefly reviewed.

简要回顾当前第三代海浪模式中的困难。

Using a relatively strict method, the formulas of the harmonic current of the modulated electron beam in the klystron and Cherenkov devices were derived in the relativistic regime, in which the effect of the space charge wave was taken into account.

在相对论情况下，导出了速调管（klystron）和契伦柯夫（Cherenkov）器件中考虑空间电荷波影响的被调制电子束的谐波电流公式；

Specific to current control problem in APF, the thesis proposes four kinds of current tracking control methods including periodic sampling control, triangle wave comparison control, hysteresis current comparison control and hysteresis control based on space vector.

针对APF电流控制问题，提出了四种电流跟踪控制方法：周期采样控制，三角波比较控制，滞环比较控制和基于空间矢量的滞环控制方法。

requirements for cooling and energy consumption in the low-voltage hard anodizing for aluminium using pulse current with simple sine wave were discussed.

本文对采用简单正弦波脉冲电流的低压硬质氧化工艺过程中冷却要求进行了讨论，这种低压脉冲电流是由一个60赫兹正弦波交流电压叠加一个数值上等于交流电压振幅的直流电压而形成的。

Dispersion of Suspended Loa under the Interaction of Wave-Current

波浪潮流作用下的悬沙输移

Supersonic Wave Eddy Current Air Flow Sensor

超声波检测涡流式空气流量传感器

Most analysts trace America's current economic woes to tight credit conditions sparked by a wave of home foreclosures and mortgage defaults.

绝大多数分析人士都把美国目前的经济困难归咎于房贷违约和丧失抵押住房赎回权案子激增所导致的信贷条件紧缩。

further along, the influence of harmonic wave of magnetic conductivity of air gap and saturation of motor on wave pattern of wind electric current of micro-step driving was analyzed.

进而分析了气隙磁导谐波及电机饱和对微步驱动电流波形的影响。

However, Curr says this will not be enough to stop the current wave of boat people despite the s of barely vessels.

然而，Curr称，尽管船只在海上航行非常危险，这些措施还不足以制止目前的偷渡高峰。

This paper presents the close relationship between the PWM pattern and the current wave.

指出了PWM模式与电流波形间的关系。

The research results show that the real expanded multiple of ski-jump current bent under the function of stream fluctuating load is analogous to the situation under the function of sinusoidal wave load after one or two periods.

研究成果表明，挑流排架在水流脉动载荷作用下的实际扩大倍数与正弦波载荷作用下经过1～2个周期时的情况相当。

Further analysis of single-phase ground fault other than the failure of the formation process, and the failure process of voltage and current wave recording records and found that most of the short circuit between phases is also due to the initial single-phase ground fault evolved.

进一步分析单相接地故障以外的故障的形成过程，以及故障过程中电压、电流的录波记录，发现大多数相间短路也是由于最初的单相接地故障发展而来的。

Design of reactive type stepping motor chopping wave constant current division drive circuit

反应式步进电机斩波恒流细分驱动电路的设计