查询词典 difference frequency

In this paper, a three-dimensional diagram of subsynchronous frequency impedance characteristics is obtained based on the research of the subsynchronous frequency impedance model.

正确分析TCSC次同步频率阻抗特性是研究TCSC抑制次同步谐振能力以及进行TCSC参数设计的重要基础。

On this basis, through the MATLAB software to map out the bode diagram of frequency characteristics of load stiffness, the relationship between the load changes frequency and the system stiffness was analyzed, the main parameters affecting the system stiffness were obtained.

在此基础上，通过MATLAB软件绘制出了负载刚度频率特性伯德图，并对负载变化频率与系统刚度的关系进行了分析，得出影响系统刚度的主要参数，为负荷传感型全液压转向系统的设计与改进提供理论依据。

Therefore, high efficiency can be achieved. The circuit parameters are decided according to the intrinsic impedance of the resonant tank. As the duty ratios of the active switches are fixed, the charging current should be programmed via tuning the circuit operation frequency and therefore the circuit impedance. The optimum operating point is sieved by the frequency response diagram to operate the charger at high efficiency.

至於并联负载电路参数的设计是以共振槽的特性阻抗为基准，调变切换频率并固定主动开关的责任周期，藉由频率的变化改变电路阻抗，以控制充电电流的大小，透过频率响应立体图，挑选适当的操作点，使共振式充电器运作於最佳状态，以获得高效率。

Frequency distribution: the frequency of occurrence of each value.

频率分布：每个值发生的频率。

One way we can compress data is to use a frequency table or a frequency distribution.

压缩资料的一种有效方法是编制频率表或频率分布。

Generally, the nonlinear frequency control theory is studied by the method of the generalized frequency response function.

本文利用广义频率响应函数的方法，研究了非线性控制系统的频域理论。

In the second test, the frequency response function is measured and the primary natural frequency has been obtained.

前者研究了不同转速下行星齿轮动态响应的频谱特性，后者则给出了行星齿轮传动的固有频率。

When the signal frequency is varied in response to the modulating signal we have FM frequency modulation.

当信号频率回应我们有 FM 的调整信号被改变的时候。

Your frequency has to match the frequency of what you want to receive.

你的频率必须和你想接受的频率一致。

Based on the measurement of noise of an idling lathe C630,the effects of gear tooth friction on change gear noise ,and the relation between friction excitation frequency and gearing frequency were analyzed.

结果证明：齿面摩擦对齿轮振动的激励频率是啮合频率的2倍，可以利用适当的润滑有效地抑制齿轮噪声的高频成分。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。