谐振

In chapter three, the passive vibration control of a smart cantilever beam with piezoelectric shunt damping system is studied theoretically. In this chapter, the mechanical impedance of piezoelectric shunt damping system is analyzed, and the parameters of the RLC piezoelectric shunt circuit are optimized via transfer function of the piezoelectric shunt damped beam in order to optimize the vibration damping effect.

第三章。研究了利用压电分流阻尼系统进行压电智能悬臂梁被动振动控制的方法，分析了压电分流阻尼系统的机械阻抗，并通过传递函数方法对RLC串联压电分流谐振电路元件的参数进行了优化，以使压电分流阻尼系统的阻尼效果达到最优。

This can resolve completely the conflict between the series resonance overvoltage and the optimum compensation.

从根本上解决了串联谐振过电压与最佳补偿的矛盾。

The effect of series compensation on relay protection is analysized.The problem of subsynchronous resonance caused by series co...

同时 ，分析了串联补偿对继电保护的影响，讨论了串联补偿可能引起次同步谐振问题及相应的解决办法。

It is illuminated that network frame changes constantly while analyzing series resonance phenomenon.

阐明分析串联谐振时，网络拓扑结构不断改变的实质。

Through,analysing several examples, a complete picture of frequency characteristic will be seen, it is beneficial to understand and grasp the fundamental concept of the series resonance.

通过部分示例分析，给出了一幅较完整的频率特性图形，它有利于串联谐振基本概念的理解和掌握。

It adopts the reliable LC in series resonance to startup and have over-current, over-voltage and abnormal protection circuit.

系统结构简单，采用了可靠的LC 串联谐振启动电路，过流、过压和异常保护电路齐全，最后给出了实验结果及实验样品。

It then easily results in series resonance overvoltage.

故障后还易造成谐振过电压现象。

In addition to this the voltage rise due to series resonance can become very pronounced if there is not a significantly sized workpiece present in the work coil to damp the circuit.

除了这个电压上升，由亿串联谐振可能会变得非常明显，如果没有一个显着尺寸工件的工作线圈本，从而抑制电路。

In order to improve the power parameter further,the intermediate frequency inversion of an electric voltage power type series resonance and frequency trace technique are adopted.

为使系统的功率因数较高，采用电压源型负载串联谐振中频逆变器和频率跟踪技术。

Taking the items of"nominal frequency" and" adjustment coefficient " as a specification, this paper provides a practical calculation method for adjusting parameters of power frequency series resonance test equipment, which has been verified both in laboratory and on site.

引入&名义频率&和&调整系数&等参数作为量化依据，提出了一种现场调整工频串联谐振试验装置参数配合的工程计算方法，并已通过了实验室试验及现场参数配合示例的验证。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。