The Vibration and wave motion are basic states of material motion.
振动和波动是物质运动的基本形态。
One of the main reasons for destroy of marine equipment is the vibration and wave caused by shock .
冲击引起的振动与波是舰船破坏的主要原因之一。
It is important for solving the problem of vibration and wave to determine correctly initial phrase and phrase at any moment.
正确确定初相和任意时刻的相位,对于解决振动和波动问题至关重要。
In the traditional teaching process of vibration and wave, only a few vibration and wave phenomena can be demonstrated by means of mechanical devices.
在传统的振动与波动学教学中,只能通过机械装置对个别振动与波动现象进行演示。
This article mainly discusses how to reduce the raised dusts, vibration and wave and how to organize the local people to avoid the blasting during the construction process.
本文主要从施工过程中如何减少杨尘、振动,波速以及组织当地群众进行避炮等方面进行了研究和提出了相应对策。
Based on the principle of equivalent mass, it tests the impelling vibration in sonic wave vibration system, introduces the experiment condition and process.
为此参照等效质量原理对声振系统进行了激振试验,并对试验条件和试验方法进行了介绍。
Secondly, the transmission rules and characteristics of blasting seism wave are analyzed in the paper. The methods of analyzing and predicting blasting vibration are introduced in this paper too.
其次,在分析地震波的特征和传播规律的基础上,介绍了爆破地震振动分析与预测的方法;
Caused by the earthquake ground vibration is a complex exercise, it is by the P-wave and S-wave interaction results.
地震所引起的地面振动是一种复杂的运动,它是由纵波和横波共同作用的结果。
So one-dimensional elastic wave and plate vibration response theory are mainly applied to study the structure and experiments are made to verify the validity of the theory.
所以作者主要是应用一维弹性波理论及板壳振动理论对局部噪声屏蔽进行理论研究,并用试验来验证理论分析的可靠性。
The vibration in the air and in the other media travels as a wave motion.
空气及其他介质中的各种振动都是以波动的形式传播的。
The blasting vibration of creep mass slope of Longtan hydropower station is observed, interpreted and analyzed. The experiential formula of decay for the blasting earthquake wave is obtained.
对龙滩水电站蠕变体边坡的爆破振动进行观测、分析和处理,得到了爆破地震波衰减经验公式。
Aimed at producing heat, vibration, disturbance and harmonic wave, the handling opinions are pointed.
针对使用中出现的发热、振动、干扰与谐波等问题提出处理意见。
It is difficult to detect the periodic impulse component in the vibration acceleration signal with conventional analysis methods such as time domain wave and frequency spectrum.
通过时域波形和频谱等基本分析手段来探测振动加速度信号中的周期性冲击分量往往是困难的。
Based on the method of wave transfer matrix, the elastic wave and vibration localization in disordered periodic structures is studied.
基于弹性波传递矩阵方法,研究了失谐周期结构中弹性波与振动的局部化问题。
The major methods of measuring Q-value by the natural earthquakes are the ones of using the data of free vibration of earth, body wave, surface wave and coda.
利用天然地震波测量Q值的主要方法有:利用地球自由振荡资料、利用体波、利用面波和利用尾波来研究Q值。
Moreover. it also describes vibration of drumhead and spread of electromagnet wave.
此外,它还描述了鼓膜的振动,电磁波的传播等物理过程。
The injurious effect of pressure wave on cells was related to its direct drastic mechanic vibration action on cells and induction of cellular free radical reaction.
压力波损伤细胞的机制可能与其对细胞的剧烈机械性振荡作用及引发自由基反应等有关。
In the paper, the travel law of seismic wave which is excited by explosive shock, and the relation between the vibration signal of ground and electric signal recorded by instruments are discussed.
讨论了爆破地震产生的地震波传播规律,以及地振动信号和仪器记录的电信号之间的关系。
Using the ground and vehicular test systems, many parameters such as pressure change, wind caused by train, micro-pressure wave and vibration acceleration of the wall of tunnel were tested.
利用地面和车载测试系统,对列车车体表面、车厢内部、隧道壁面空气压力变化、隧道内列车风、隧道口微气压波和隧道壁面振动加速度等参数进行测试。
Using theory of vibration wave propagation, the concept of the attenuation coefficient of vibrating acceleration is drawn, and the test results of attenuation coefficient are analyzed.
应用振动波传播理论引出加速度衰减系数的概念,并对加速度衰减系数的试验结果进行了分析。
Vibration and traveling wave stress analysis of rotating bevel gears is performed using annular finite element.
提供了一种使用半解析环形棱柱有限元求解盘形锥齿轮行波振动的方法。
Beside filtering interference signals and extract effective signals, it is a difficult problem to study the separation of multi-signal of sound wave and vibration.
在实际测量过程中,除了过滤干扰信号,提取有效信号外,多振动源信号分离是本文研究的一个难点。
The method and results in this paper for solving the problem of wave and vibration mode localization in periodic wave guide can be used in the optimum design of such kind of structure.
本文对周期波导中波传播与振动局部化的分析方法和计算结果可用于结构的优化设计。
Through wavelet analysis and FFT analysis to the collected structure vibration signal, the vibration wave curves and analysis results of different frequencies are acquired.
通过对采集的振动信号进行小波多分辨率分析和FFT谱分析,得出被测结构振动响应包含的各频率对应的振动波形曲线。
A primary seismic wave from an explosive source is a pulse response, and its periodic vibration originates from seismic pulses.
爆炸震源的地震纵波是脉冲性质的。周期振动是地震脉冲引起的次生振动。
The vibration acceleration signals at initial stage and steady stage in flowing granular media are tested, and the propagation of wave in the flowing field is analyzed.
试验测定振动助流时散体颗粒在初始阶段和稳定流动阶段的振动加速度信号,并对流动场中波的传播规律进行分析。
A vibration source and a medium are needed to form a mechanical wave.
机械波的形成需要振源和介质。
Through analysis and inference, the writer finds out the feature equation of roller turn vibration yarn faults, and researches its wave spectrum, curve, fabric appearance characteristics.
本文通过分析推导,找出了罗拉扭振纱疵的特征方程,并就其波谱图、曲线图、布面外观特征进行了研究。
Through analysis and inference, the writer finds out the feature equation of roller turn vibration yarn faults, and researches its wave spectrum, curve, fabric appearance characteristics.
本文通过分析推导,找出了罗拉扭振纱疵的特征方程,并就其波谱图、曲线图、布面外观特征进行了研究。
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