振动

Results present that when the lateral-torsional coupling is considered, the responses in the lateral direction of the coupled system subjected to a initial disturbance and a harmonic excitation in the torsional direction, respectively, can be occurred in different forms, and show great effects. However the responses in torsional direction subjected to lateral disturbance and harmonic excitation are slightish.

对系统进行了非线性响应数值计算和相应的频谱分析，结果显示弯扭耦合后，在扭转方向的扰动和简谐干扰扭矩均会以不同的形式在弯曲方向表现出来，并对系统的弯曲振动产生较大的影响；而弯曲振动对扭转振动的影响则要小得多。

The drill string lateral vibration, axial vibration and tensional vibration are analyzed respectively.

分别分析了钻柱的横向振动、轴向振动、扭转振动。

The vibrometer can keep long-term stable operation and is able to meet the real-time and high-precision requirements. The vibrometer can develop towards miniature, intelligent and portable. It has broad application prospects.

实验表明，研制的半导体激光自混合测振仪能够较好的恢复出振动源的振动波形以及其他振动参数，能够满足实时性和高精度方面的要求，有可能发展成便携式激光测振仪，具有小型化和智能化优点，有着广泛的应用前景。

Considering influence of external vibration on ultra-low frequency standard vibration systems, the vibration insulating foundation for vibration tables and a laser vibrometer is studied.

针对超低频标准振动系统易受外界振动干扰的问题，研究了超低频标准振动台与激光测振仪的隔振基础设计技术。

Starting from the output signal-to-noise ratio of vibration tables, the basic requirements of background noise of the foundation are determined, then the dynamic analysis of the foundation for tables and a laser vibrometer, and the static analysis of the foundation for the laser vibrometer are done with finite element method.

首先以振动台台面输出信噪比为出发点，确定了超低频标准振动台基础噪声的基本要求；然后采用有限元分析的数值方法，分别对振动台基础与激光测振仪基础作动力学分析，再对激光测振仪基础作静力学分析。

Secondly, the uniform model based on dynamics resolving for spatial mechanism is found, through the model, the kinematical model, dynam model, restriction model also be found.

建立了振动分析的集中质量模型，分析了机构的横向振动、扭转振动，并讨论了求解的变系数二阶常微分方程的解法。

The time to choose is coming to closure; one will have had to move beyond a certain vibrational frequency in the coming 8 years in human form, or the vibration of earth will so far supercede one's own frequency that disease will rapidly manifest in physicality.

选择的时段正在结束；你将必须在未来8年时间中让肉体超越特定的频率振动，否则，地球的振动将超过你自身振动如此之远，将令疾病在物质层上迅速显化。

The mathematical model to describe the vibration state of wire under the action of ultrasonic vibration and discharge force has been established, through which computer simulation has been made to study the influence of ultrasonic excitation on the vibration state of wire and distribution of discharge spots.

本文首先建立了描述超声线切割复合加工中电极丝振动状态的数学模型，并计算机模拟分析了超声振动对复合加工中电极丝振动状态及放电点分布状态的影响。

The preparation technique of metal powder by electromagnetic vibration atomizing and quenching method is discussed in this text.

本文介绍了一种新发明的电磁振动雾化-速凝制金属粉方法，研制了电磁振动雾化-速凝制备金属粉炉，并用该装置制造了NdFeB合金粉，讨论了电磁振动雾化频率、激振力等参数对制粉的影响因素

It's a problem desiderating solution for power industry, energy industry, aviation and shipping to real-time measure the high-speed rotating blade vibration. The conventional contacting measurement technique is difficult to measure the vibration of all blades in one stage at the same time. So foreign scholars have being applying them to research a new non-contact measurement technique using blade tip-timing.

高速旋转叶片振动实时监测技术是电力工业、能源工业、航空、航运业亟待解决的难题，传统的接触式测量方法很难做到同时监测同级的所有叶片的振动情况，因此国外一直在致力研究一种非接触式旋转叶片振动测量新技术—叶端定时测量技术。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。