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- By means of the method of multiple scales for nonlinear oscillations, the first approximate primary parametric resonance of the system is acquired. 应用非线性振动的多尺度法求得系统满足主参数共振条件的一次近似解,并进行数值计算,分析定常解的稳定性。
- We introduce a new class of Conley-Morse chain maps for the purpose of comparing the qualitative structure of flows across multiple scales. 中文摘要 本研究的研究目的,以质的研究方法探讨未婚单身女性教师生涯之锚的内涵、类型及影响生涯之锚的相关因素。
- According to the method of multiple scales for nonlinear vibration analysis, the approximation solution of 3 superharmonic resonance of the system is obtained. 根据非线性振动的多尺度解法,得到系统满足3次超谐共振情况的近似解,并对其进行数值计算。
- Many methods have been advanced to study the nonlinear dynamical system, including the LP method, the KBM method, the multiple scales method, and so on. 近年来,人们对用规范形理论研究非线性振动问题产生了浓厚的兴趣。
- The main production machinery and packaging production lines, mainly to export, the main products are multiple scales, conveyor, sealing machine, bag machines. 主要生产包装机器及生产线,以出口国外为主,主要产品有多头秤、输送机、封口机、制袋机等。
- The famous method of multiple scales is successfully extended to the time-delay systems,which provides great convenience for the study of the systems with time lag. 应用该公式,大量工程中的时滞系统共振问题,可方便的得到近似解析解以及振幅、频率、周期和相位等;
- Presents a preceding vehicle detection algorithm based on multiple scale edge and local entropy. 提出一种基于多尺度边缘和局部熵原理的前方车辆的检测算法。
- Construction of such approaches solutions, people have developed many effective methods, such as asymptotic matching, averaging, multiple scales, stretched coordinate and WKB methods. 为构造这样的渐近解,人们先后发展了很多有效的方法,如匹配渐近展开法、平均法、多重尺度法、伸缩坐标法和WKB方法等。
- WT5”BZ]The compressible linear stability theory and the method of multiple scales are used to study the problem of three dimensional nonparallel flow stability for boundary layers. 采用线性稳定性理论和多重尺度方法,研究三维可压缩的非平行流边界层稳定性问题。
- Applying the method of multiple scales,the paper deals with the primary parametric resonance stimulated by electromagnetism of a generator set under no-load steady state asymmetric operation. 应用多尺度法研究了发电机组稳态二相短路时扭振电磁激发的主参数共振,给出了参数激励下的主参数共振解。
- By using multiple scales method,singular perturbation problems for a class of two free degree are discussed.The conditions of solvability which make expansion uniformly valid is obtained. 利用多重尺度方法构造渐近解,探论了一类二自由度非线性的奇摄动问题,得出了使展开式一致有效的可解性条件。
- A NOTE ON THE METHOD OF MULTIPLE SCALES 关于多尺度法的一个注记
- In this paper, the governing differential equations of double pendulum is established with the Lagrange methods, the stability margin of corresponding linear equations are obtained by the multiple scale method. 采用拉格朗日方法建立参数激励双摆的控制微分方程,通过多尺度法对其线性化方程进行分析,获得稳定性边界。
- This pair of scales is not in equilibrium. 这个天平不平衡。
- The investigation of nonlinear oscillation is very important for the nonlinear science. Many methods have been advanced to study weakly nonlinear system, including multiple scale method, KBM method, averaging method, and so on. 非线性振动理论是非线性科学的一个重要研究内容,对于弱非线性常微分方程控制的动力系统已经有了许多求近似解的方法,如多尺度法、KBM法、平均法等等。
- He weighed himself on the bathroom scales. 他在浴室的磅秤上称体重。
- The multiple scale method (MSM) is introduced to analyze the characteristics of cable s vibration, and the precise time-integration method (PTIM) is used to solve vibration equations. 采用多尺度法研究拉索大幅振动的各种可能性,运用精细时程积分法数值求解振动方程。
- One the scalp only there are multiple scaling patches which differ in size, alopecias and broken hairs.However, neither has the fungal sheath nor has the black dot and pustule. 仅有多片大小不等的鳞屑性脱发斑及断发,但既没有菌鞘也没有黑点和脓疱。
- A protective covering of bony plates or scales. 护身甲壳保护骨盘或介壳的覆盖层
- My kitchen scales are not accurate. 我的厨房秤不精确。