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- simple harmonic current 纯正弦电流
- The system executes simple harmonic motion. 此系统产生简谐运动。
- The vibration vision of the simple harmonic motion is a sine curve. 三,简谐运动的振动图象是正弦曲线。
- A simple and practical instantaneous harmonic current detecting method is introduced,which realizes a special filter based on DFT(Discrete Fourier Transform). 提出了一种用离散傅里叶变换DFT(DiscreteFourierTransform)实现特殊滤波器的瞬时谐波电流的检测方法。
- The simulation with simple harmonic analysis on the performance of a regenerator was carried out. 摘要采用谐波分析法，对回热器进行了模拟。
- The first is a limitation in the harmonic current that a user can transmit into the utility system. 第一个准则是限制用户可送入用电系统的谐波电流。
- Keywords ：shunt active power filter, harmonic current, iterative learning controller (ILC), nonlinear load. 关键词： 并联式有源滤波器;谐波电流;迭代学习控制;
- In HVDC system, It is meaningful to search for a new way to mearsure the harmonic current. 在高压直流输电系统中,研究运用新的测量谐波电流的方法和技术有着重要的意义。
- The plunger is forced to undergo a simple harmonic vibration parallel to the direction of the tube. 活塞在平行于长管的方向作合谐摆动。
- The parallel APF compensates the remained harmonic current and fundamental current losses. 进入电网的残余谐波电流以及由于参数波动引起的基波电流损失由并联型APF补偿。
- This paper presents a simple method for measuring gas adiabatic constant by use of simple harmonic oscillation. 本文介绍了一种简单的利用简谐振动现象测量气体的定熵指数的方法。
- It is found that the electron beam may approach ideal bunching, each harmonic current of thebeam may reach about 5. 发现在二极管与共振腔结合的系统里，电子束可实现理想群聚，各次谐波电流在非相对论条件下可达到初始电流的5。
- One instance of simple harmonic motion is that of the projection on any diametre of a point which describes a circular path with uniform angular velocity. 当一质点以匀角速度作圆周运动时，则它在任意直径上的投影的运动便是简谐运动的一例。
- One instance of simple harmonic motion is that of the projection on any diametre of a point which describes a circular path with uniform angular velovity. 当一质点以匀角速度作圆围运动时，则它在作意直径上的投影的运动便是简谐运动的一例。
- With the analysis of the harmonic current and power factor of Rectification set of Mine Hoist,the way of filter design is introduced. 分析国内某矿井提升机整流供电系统网侧谐波电流和功率因数情况,介绍滤波器设计的方法。
- With the analysis of the harmonic current and power factor of Rectification set of Mine Hoist, the way of filter design is introduced. 摘要分析国内某矿井提升机整流供电系统网侧谐波电流和功率因数情况，介绍滤波器设计的方法。
- The general solution of the simple harmonic equation (3. 1) can therefore be expressed in the following alternative forms. 因此简谐运动方程(3.;1)的通解可用下列任一的形式表示。
- Detecting the harmonic current and reactive current (pq method) based on the instantaneous reactive theory is suitable in the APF device. 本文采用基于瞬时无功理论的pq法检测谐波电流和无功电流,克服了传统谐波电流检测方法实时性能差的缺点,并且容易实现。
- The response of vertical vibrating system with an impact damper under simple harmonic excitation is analyzed by numerical simulation. 摘要运用释值仿真方法分析了垂直冲击消振系统的简谐激励响应。
- A method which detects harmonic current of three-phase system with DSP based on theory of instantaneous reactive power is presented in this paper. 根据瞬时无功理论,提出基于DSP的谐波电流检测方法,实现了谐波电流和无功电流的实时、快速检测。
