| 1. | Theory of vibration of pile on elastic foundation considering 3d wave effect of soil and its applications 考虑土体三维波动效应时弹性支承桩的振动理论及其应用 |
| 2. | According to the theory of vibration massage , different massage heads work on the body , effectively break down stubborn fat and eliminate the formation of fat . relax tightened muscles 利用震动按摩的原理,使用不同的按摩头,打散顽固脂肪,解除肌肉堆积,改善橙皮组织形成及舒缓紧绷肌肉。 |
| 3. | 4 kinds of ways of influence analysis on safety of the near building structures were presented by analyzing the theory of vibration - impact pile driver system and the soil vibration 摘要通过对振动打桩机系统的理论分析和土体振动分析,提出了施工振动时邻近房屋结构安全性影响分析的4种方。 |
| 4. | Author not only studied the theory of vibration isolation , but simulated the whole system based on it . each important parameter of the system was discussed and optimized with matlab language 在研究隔振理论的基础上,利用matlab语言以及基于matlab语言的simulink命令对主动隔振系统进行了仿真研究,讨论系统各参数的变化对系统隔振的影响,同时对各系统参数进行了优化。 |
| 5. | In accordance with principles of constant barycenter and principle of phase difference in theory of vibration , flexible counterweight is added to let the greater part of first ordered inertia force and a part of second inertia force of the slider to obtain equilibrium 根据质心不变原理及振动理论中的相位差原理,附加柔性配重使滑块的一阶惯性力的绝大部分及二阶惯性力的一部分得到平衡。 |
| 6. | First , simple introduction on virtual instruments is made in my thesis . second , the composition of vibration measurement system and the theory of vibration signal analysis are analyzed . last , the measurement identification of the developed system is made 论文首先对虚拟仪器以及labview软件作了简要介绍,然后分析了振动测试分析系统的组成和振动信号分析的理论,最后对开发的软件进行了测试验证。 |
| 7. | The study on the buffeting responses and damping measures of bridge pylon during construction , including the flowing parts that were the theory of buffeting wind - induced responses , calculation of the buffeting responses of yamen bridge pylon , the theory of vibration control , the tunnel test study on buffeting responses and damping measures of yamen bridge pylon 桥塔独塔施工阶段抖振响应分析及制振措施的研究主要包括独塔施工阶段抖振响应的理论与计算、结构振动控制措施的理论、风洞试验研究等几个方面的内容。 |
| 8. | By analyzing the reasons of vibration of the wheel loader and according to theories of vibration control & decrease , the measures of the wheel loader ' s vibration decrease are given , a method is put forward for systematically controlling and decreasing the vibration during design and technical transformation of product 通过分析轮式装载机振动产生的原因,结合振动控制和抑制的原理,提出轮式装载机振动控制和抑制的措施,为新产品设计和技术改造中系统性地进行振动控制和抑制提供解决途径。 |
| 9. | This project name is " basic technique research and vibration isolation theory with bionic mechanism for devices of high precision " . this thesis is mainly in two aspects : theoretical analysis and experimental research . it is composed of the characteristic of power transmission based on the smr model , control theory of vibration isolation for micro - manufacturing platform 本学位论文结合国家自然科学基金项目“精密装置仿生隔振系统理论及基础技术研究” ( no . 50075078 ) ,从理论分析和实验研究两方面,对smr模型的功率传递特性、微制造隔振平台控制理论和主动振动控制技术进行了深入、系统的研究。 |
| 10. | This thesis , on the basis of modern theories of vibration , ked analysis and finite element method , sets up a kinetic model of piston - linkage mechanism of diesel engine , by i - deas software of sdrc usa , which involves the effect of joint clearance in mechanism . by the presumption of " transient structure " in ked analysis , the mechanism " s dynamic responses in every transient structure conditions are calculated , and it provides a reliable theory basis for the optimization design of diesel engine 本课题基于现代机械弹性动力学理论以及有限元分析方法,利用美国sdrc公司的- deas软件,对含运动副间隙的柴油机的活塞、连杆机构建立了动力学模型;运用ked分析中的“瞬时结构”假定,计算出了机构在各瞬时结构条件下的动态响应,从而为柴油机优化设计提供了可靠的理论依据。 |