查询词典 harmonic

The system can get the signal waveform parameters from the harmonic components of radius vector deviation, plot a curve of interpolation error by delivering magnified moiré fringe photoelectric signal to computer with digital acquisition board.

该系统可以利用数据采集卡，将放大后的莫尔条纹光电信号送入计算机，由向径偏差的谐波成分得到信号波形参数，绘出细分误差曲线。

When the geometric similitude ratio of the model to the prototype was determined and the loading similitude condition was satisfied by using similitude theory in structure modeling and experimental techniques, the prototype soil parameters were derived according to the model test result. The vibrating wheel compelled by harmonic exciting force was treated as a lumped mass vibrating system by equation equity method. By using this mechanical model in vibrating compaction, soil parameters were identified according to the equivalence of vibrating differential equation. The curve fitting method of amplitude versus frequency response was used for dynamic simulation based on the systematic dynamic equation of vibrating roller-soil system.

用相似理论与模型试验法在确定了模型与原型之间的几何相似比并满足载荷相似条件后，根据模型试验结果推导出了原型土体参数；用方程对等法把受简谐激振力作用的振动轮等效为集中质量振动系统，以此作为振动压实过程的力学模型，根据振动微分方程的等效条件进行识别；用幅频特性曲线拟合法以振动压路机－土壤系统动力学方程为基础，用计算机进行动态仿真。

Adopting the reactive circuit of twice harmonic to process the sensor signal, the system is closed loop.

对传感器信号处理采用的二次谐波反馈电路，电路为闭环系统。

Simulation research on method for harmonic current detection of single-phase circuit based on instantaneous reactive power theory of three-phase circuit was presented.

提出了基于三相电路瞬时无功理论的单相电路谐波电流检测方法的仿真研究。

The simulation model of active current separating method is established with Matlab software for harmonic and reactive current detection in single-phase circuit.

针对单相电路谐波和无功电流检测的有功电流分离法，利用MATLAB软件建立仿真模型，就其中的低通滤波器对谐波电流检测效果进行了仿真分析。

This method can inspect the harmonic component and reactive power immediately.

该方法可以实现快速的检测出谐波分量，并补偿无功功率。

Compared with the traditional shunt APFs, there is no need to sense load current, noneed to calculate the harmonic and reactive component of the load current, and noneed for multiplier.

与传统APF相比，采用单周控制方法的APF的突出优点是：不需要检测负载电流，不需分离出负载电流中的谐波和无功分量，因此省略了高精度乘法器，控制电路简单。

In contrast to the traditional APF,there is no need to sense the load current,no need to calculate the harmonic and reactive component of the l...

具有主电路结构新颖、控制电路简单，补偿效果好等优点。实验结果验证了文中所提出理论的正确性

The improved algorithm supplied the exact reference phase for current d-q transformation,then detection accuracy of the algorithm wasn t influenced by voltage distortion,so it can detect the harmonic and reactive component of load current effectively.

该改进算法为电流的d-q变换提供精确的参考相位。采用改进的检测算法，电压畸变不会影响该算法检测的精确度，并能有效地检测负载电流的谐波与无功分量。

Currently, there are various projects for comprehensive compensation of reactive power, harmonic component and negative sequence in the traction substation of electrified railway.

目前，我国牵引变电所无功功率、谐波和负序的综合治理已有多种方案，本文结合国内重载电气化铁道朔黄线的负荷情况，通过分析多种综合补偿方案，并加以比选，得出适合朔黄线的牵引供电综合补偿方案。

Putt your way through 36 fun-filled holes of minigolf on 3D designed courses with elevated greens, bunkers, bridges and water hazards, among other crazy obstacles.

您的推杆方式，通过36个有趣的填孔迷你的三维设计的课程，以提升绿党，掩体，桥梁和水的危害，除其他疯狂的障碍。

Some participles can be used either as attributes or as predicatives.

有些分词既可当定语用，也可当表语用。