| 1. | The reflections are recorded by detecting instruments responsive to ground motion .
反射波由对地面振动极敏感的探测仪器记录下来。 |
| 2. | Humans have no sense organs designed specifically to detect terrestrial vibrations
人类没有专门用于探查地面振动的感觉器官。 |
| 3. | Evaluation and measurement for vibration in buildings - guide to damage levels from groundborne vibration
建筑物振动评估和测量.地面振动破坏等级指南 |
| 4. | Ground vibration response laws are obtained in environment background vibrations , ground traffic and metro train
通过对测试结果的分析，得出了环境背景振动、公交车等地面车辆和地铁的地面振动响应规律。 |
| 5. | The attenuation of the ground vibration is closely relative to the physical and mechanical properties of the ground media
地面振动随着远离振源而产生衰减。衰减的程度与强夯作用场地介质的物理、力学性质密切相关。 |
| 6. | Under seismic ground shaking , the ability of the connection to dissipate energy will depend on the connection ' s capability to withstand low cycle fatigue
在地震地面振动时，连接的耗能能力取决于抵抗低周疲劳的能力。 |
| 7. | With a practical example of tamper vibration monitoring , this paper has analyzed the vibration monitoring result and the contents of practical application
对强夯施工引起的地面振动进行同步监测分析，可给出强夯振动影响的地震烈度评价、振动主频、振动速度参数和振动安全距离。 |
| 8. | ( 4 ) the paper has studied the structure and training algorithm of self - recursion neural network . it also studies the convergence and stability of self - recursion neural network " training algorithm by using lyapunov method . then the paper use inversion method to simulate the vibration field of ground vibration caused by track traffic by self - recursion neural network for the first time
( 4 )研究了自递归神经网络的结构及训练算法，利用lyapunov方法研究了自递归神经网络训练算法的收敛性和稳定性，并首次利用自递归神经网络来反演轨道交通引起地面振动的振动场。 |
| 9. | ( 1 ) the paper has studied the contractive mapping genetic algorithm , which can be converged to a global optimal solution proved by fixed - point theorem of banach space . it remedies the shortage of standard genetic algorithm . furthermore , the paper discusses the genetic operation in the algorithm such as the coding , select , cross over and mutation etc . it will be help to the next work about fusion with the neural network
本文融合神经网络技术和遗传算法，对轨道交通引起的地面振动进行了正分析和反演，并利用计算机技术实现了地面振动的三维动画模拟，这主要包括： ( 1 )研究了压缩映射遗传算法，利用banach空间的不动点定理证明了压缩映射遗传算法可以收敛到全局最优值，弥补了标准遗传算法不能收敛至全局最优值的不足。 |
| 10. | The paper based on the mechanism of the vibration ' s production and transmission , uses the analytic method of finite elastic layer to calculate the transmission of the ground vibration caused by track traffics . then gets the result of wave numbers - frequency field through solving the wave equation of the three - dimension elastic layer . then gets the dynamic response characteristic of the ground through dispersing the wave numbers
为此本文基于振动产生及传播的机理，利用了分层法的轨道交通引起地面振动的解析算法，通过解三维弹性体的波动方程得到波数?频域的解，离散化波数域得到地基土的动力响应特性，再通过快速fourier逆变换得到空间?时间域的解。 |
