查询词典 harmonic curve

Rotation accuracy ; first harmonic component ; eccentric motion ; curve fitting.

回转精度；一次误差运动；偏心运动；曲线拟合

Using photoelectric timer to time a linear oscillator,the displacement-time curve is obtained,and the simple harmonic motion of the linear oscillator is demonstrated.

利用光电计时器记录弹簧振子经过已知点的运动时间，由实验数据画出振子的位移-时间图像，即得到简谐运动的图像，并应用该原理制作了演示简谐运动图像的装置。

The harmonic field of electric dipole source on the uniform earth surface is converted into transient field by inverse Laplace transform,and the Bz/ t transient curve is calculated.The Hz transient curves on the stratified earth surface are obtained from cosine transform calculated by broken line approximation.

由逆拉普拉斯变换将均匀大地面上的电偶极子源谐变电磁场转换为瞬变电磁场，并计算出Bzt瞬态曲线；对分层大地面上的瞬变电磁场，采用折线逼近法计算余弦变换得出Hz瞬态曲线。

To make all of the original order harmonic colors be able to surface now business card printing and membership card making, first of all, the level curve right.

给使草稿上的所有阶和解色彩都不妨很好不天表示在制卡和会员卡制息品上，首先采取不不对的条理弧线。

To make all of the original order harmonic colors work well on the surface now printed matter, first choose the correct level curve.

要使原稿上的所有阶调和色彩都能够很好地表现在印刷品上，首先选用正确的层次曲线。

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。

According to the theory of harmonic motion,the cycle of the simple pendulum is analyzed by infinitesimal and experiment respectively,the formulation and the function curve of the cycle T altered with the location of the liquid surface are obtained,the law of pendulum cycle changed with the pendulum ball's mass reduced is showed more accurately and obviously.

根据谐振动理论，分别用微积分推导和实验测定的方法，分析了一类常见的关于摆球质量减少的单摆周期问题，得到周期T随液面位置h变化的函数关系式，以及周期T随液面h变化的曲线，较精确和直观地展示了因摆球质量减少而导致周期变化的规律。

Simulation results show that current waveforms of electric power system are symmetric and pure sine curve, reactive and harmonic are compensated. Balance transforms, detecting methods and proposed cophase power supply are verified to be true and feasible.

仿真结果表明平衡后的电力系统侧电流波形为三相对称的纯正弦波形，完全补偿了无功与谐波，证明了平衡变换方式和滤波器指令电流检测方法的正确性，验证了所提出的同相供电方案的正确性和可行性。

This paper proposes a numerical methods-Fourieur Simulation method, to analyze cam-follower lift curve, with profile of High-power Polynome cam and with nth-degree Harmonic cam.

提供了用傅立叶级数逼近的方法，对配有高次方凸轮和n次谐波凸轮的配气机构从动件升程数据进行了逼近计算。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。