1) averaging method
平均法
1.
The averaging method is used to analyze this model,the phase diagrams and the time history curve of this system are achieved,the results show that its movement converges to a limit circle oscillation.
利用平均法对系统进行了近似求解,得到了系统的运动相图及时间历程曲线,结果表明系统运动收敛于稳定的极限环,所得结果与实验吻合得较好。
2.
A nonlinear vibration equation of a shallow arch structure is established first and the approximate solution of the equation is given with an averaging method.
建立了扁拱结构的非线性振动方程,并应用平均法求其一阶近似解;然后应用李雅普诺夫一次近似稳定理论研究了扁拱结构主参数共振时的动力稳定性;讨论了用平均法求解同时具有二次和三次非线性动力系统的局限性。
3.
The amplitude-frequency response function was derived by means of averaging method.
针对变截面弹簧汽车悬架系统,建立了两自由度系统模型的非线性运动微分方程,采用平均法导出了系统的幅频响应特性,分析了非线性弹簧刚度、阻尼系数、激励振幅和非线性参数变化对车身共振曲线的影响,并对车身的周期振动进行了稳定性分析,得出了稳定性条件。
2) average method
平均法
1.
After establishing the dynamic equation of the system,it used the average method to study the primary resonance and fundamental parametric resonance under joint parametric and forced excitation,and the analytical solution for the system was obtained and verified numerically.
在建立了该系统的动力学控制方程的基础上,用平均法研究了参数激励与强迫激励联合作用下的主共振-基本参数共振,得到了系统的理论解,并对理论解进行了数值验证。
2.
The first order approximate solution for the system s primary resonance is obtained by average method,and then it is verified by numerical simulation.
利用平均法研究了单自由度多频激励非线性汽车悬架系统的主共振,得到了一次近似解。
3.
There are many methods of scaling pictures,the common of which are snapshot method,average method and bilinear method.
图片缩放的处理方法有很多种,常规的有抽点法、平均法、双线性法。
3) method of averaging
平均法
1.
The mathematical model was simplified with the method of averaging,and the closed-loop nonlinear feedback control scheme was presented.
用平均法对欠驱动机械臂的拉格朗日动力学模型进行了简化,并基于简化后的模型给出了闭环非线性反馈控制律。
2.
The method of averaging is used to derive a set of autonomous equations.
利用Galerkin原理和平均法建立了这一非线性系统的双模态模型 ,讨论了由于内共振导致的分叉行为 ,最后利用数值分析证实了理论分析得到的结论 。
3.
he method of averaging is applied in this paper to deal with a primary resonance of a three circular plates torsion vibration system having cubic nonlinearities which is excited by a simple_harmonic excitation.
本文应用非线性振动的平均法，分析了一个具有立方非线性并受简谐激励作用的三圆盘扭振系统的第二阶主共振，求得了稳态响应的分岔方程，并进行了奇异性分析，理论结果与实验结果相符
4) averaged method
平均法
1.
By applying the averaged method we obtained the averaged equation,frequency-response equation and main resonance frequency-response curves.
用平均法求得非线性转子系统的平均方程、频率响应方程和主共振频率响应曲线,得到该转子系统幅频曲线的拐弯、跳跃和滞后现象,并给出系统的稳定性特征方程,为分析非线性转子系统运动特性提供理论依据。
5) Welch average method
Welch平均法
1.
According to the results of comparison between these methods of spectrum evaluation, a new method of power spectrum evaluation of welding arc sound is advanced by means of association of wavelet packet analysis with the Welch average method.
对试验系统采集到的焊接电弧声进行了小波包多层分解 ,并利用周期图法、Welch平均法及AR模型法 ,对各频段信号进行功率谱估计 。
6) normal average
法线平均
1.
The contours of the organs were extracted based on the contours of the reconstructed organ surfaces, and the three-dimensional models with smooth surface, exact structure and good visibility were completed by computer graphic techniques such as lighting, smoothing, and normal average.
先提取器官的轮廓,然后进行表面重建,最后通过合适的光照和法线求取、法线平均等处理,得到表面平滑、结构准确、可视性强的三维重建图像。
补充资料：几何平均法
是几个价格变量连乘积的几次方根。 在统计研究中常用以计算平均发展速度。在计算不同时期年度平均价格上涨幅度时，也用这种方法。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条