The solution of the problem for the bonded piezoelectric materials can be summed up to find the appropriate harmonic function.
压电结合材料问题的求解,可以归结为寻找合适的调和函数。
By combining the linearization of the governing equation with the method of harmonic balance, we have established analytical approximate formulas for the period and the periodic solution.
将控制方程的线性化与调和平衡法组合起来,建立周期及周期解的解析逼近公式。
To overcome the drawback of selective harmonic elimination PWM technique itself, a novel optimal solution method which optimizes the switching angle of selective harmonic elimination PWM is proposed.
为了克服特定消谐PWM技术本身的缺点,提出了一种新的优化特定消谐PWM开关角的优化解法。
The stationary solution of system was solved by harmonic balance method, and the amplitude-frequency response was presented.
采用复变函数将系统的动力学方程简化,利用谐波平衡法分析了系统的稳态解,得到了系统的幅频响应。
The solution to harmonic mapping from plane to surface was presented, and the experiment of printing on sphere was discussed.
描述了平面到曲面调和映射的求解过程,并以球面印字为例,进行了数值试验。
This paper derives the precise solution about the inherent frequency of the mass-spring system when the mass of the harmonic-spring is not negligible.
讨论了在弹簧振子质量不可忽略的条件下,弹簧振子系统振动固有频率的精确解。
The solution of A-harmonic equation and the differential forms have many affinities.
调和方程的解与微分形式之间有着密切的联系。
Finally, a solution to restraining the harmonic current and ripple torque is suggested, ie a larger modulation frequency ratio of 3k is to be adopted, as it is used in SPWM.
文中还提出了抑制谐波电流和脉动转矩的方法,如在SPWM生成中,采用较大的3的整数倍调制比。
But for this topology, delay and limitation of harmonic detection is so prominent that finding a solution to these problems is urgent.
但是针对这种拓扑结构,谐波检测算法的延时问题和局限性问题还十分突出,分析出解决这些问题的方法迫在眉睫。
In this paper, the precise solution of a generalized time dependent harmonic oscillator is obtained by a sequence of unitary transformations and applied to construct the squeezed state of the system.
利用一系列幺正变换,求出了广义含时谐振子系统的精确解,并利用此精确解构造了此系统的压缩态。
The frequency stability, amplitude stability and harmonic content can be deduced from the second order perturbation solution of that equation.
方程的二阶近似解显示出非线性效应对振荡频率稳定度、振幅稳定度及波形正弦纯度的影响。
It is an effective solution to overcome the deficiency mentioned above that introducing the harmonic drive technology into conventional motor driven by giant magnetostrictive material.
将谐波传动技术应用于超磁致伸缩电动机中,研制新型超磁致伸缩谐波电动机将可以有效克服这些缺陷。
After the numerical solution of the integral equation, the dynamic response of the pile subject to harmonic horizontal load can be obtained.
通过数值求解所得的积分方程,得到单桩在水平简谐载荷作用下的动力响应。
The Schrdinger equation is given directly from the classical Hamiltonian function of a damping harmonic oscillator, and its solution is obtained by the separation of variables.
写出阻尼谐振子的哈密顿函数,对其直接量子化,用分离变量法得出了薛定谔方程的解。
The solution of the Earth elastic dynamical equations can be also referred to some relations of complex vector spherical harmonic functions to the elastic strain tensor in spherical coordinates.
同时还研究了在球坐标系下弹性应变张量与复数矢量球函数的一些关系,为地球弹性动力学方程的解算提供参考。
It has been reported in many literatures that electric field solution is not cau sal when formed by a superposition of time harmonic waves in an attenuation medium.
许多文献认为,弱介质中电场解用时域谐波叠加形式分析时,无因果关系可循。
Mathematically, it is the solution of a harmonic inward continuation problem.
数学上,它是调和函数内向连续问题。
Based on transfer matrix method (TMM) and virtual boundary element method (VBEM), proposed a direct solution to 2-d sound-structure interaction problem under harmonic excitation is proposed.
本文基于传递矩阵法(TMM)和虚拟边界元法(VBEM),提出了一种求解在谐激励作用下二维结构-声耦合问题的直接法。
An exact solution is presented for the problem of a harmonic oscillator with variable mass.
本文给出了变质量谐振子的精确解。
The general solution for this plate is obtained by solving the corresponding harmonic equation twice with the help of the curvilinear coordinate transformation.
求解的方法是采用曲线坐标变换,两次求解相应的调和方程,推导出解的一般形式。然后利用边界条件确定通解中的待定常数。
The Solution of Harmonic Oscillator with Electric Charge at Electric Field in Coordinate Basis;
本文简要分析了在坐标表象、动量表象、粒子数表象中一维谐振子的性质。
The Solution of Harmonic Oscillator with Electric Charge at Electric Field in Coordinate Basis;
本文简要分析了在坐标表象、动量表象、粒子数表象中一维谐振子的性质。
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