Adopting wavelet neural network,fault forecast of characteristic parameters of mine ventilator was realized by forecasting time series of key characteristic parameters of ventilator that include vibration intensity.
采用小波网络方法,通过对矿井通风机关键特征参数振动烈度的时间序列预测,实现了其特征参数的故障预报。
Based on these measurements,a conclusion was drawn that small stiffness of the foundation was important reason of vibration intensity that was over criterion.
针对某柴油机刚性安装在试验台上时振动烈度偏大的情况,测量了该机器及安装基础的振动速度信号,并在停机状态下测试了安装基础的速度导纳。
In the running course of large rotany sets,the vibration intensity of sets usually behaves asnonstationary time series with tendency characteristics.
在大型旋转机组运行过程中,机组振动烈度值常常表现为具有趋向性的非平稳时间序列;为对大型机组发展状态进行趋势预测,建立了灰色预测模型。
Based on theoretic analysis,the arithmetic of vibration severity using DFT is investigated,and precautions in actual application are given in combination with practical experience.
在理论分析的基础上,研究了利用DFT在频域计算振动烈度的方法,并结合实践经验,给出了实际应用中的注意事项。
After the measurement of vibration severity and vibration level difference of some kind of gearbox, the measuring results are presented in detail.
对某型齿轮箱振动烈度和振级落差进行了测试,详细分析了测试结果,对该齿轮箱的减振效果进行了评估,结果表明该齿轮箱的减振措施达到了预期的效果。
Impacts of seismic intensity on CFRD dynamic response;
地震烈度对面板坝地震反应的影响
Rapid reporting of peak strong motion and seismic intensity;
地震动强度与地震烈度速报研究
Study of seismic intensity attenuation law in vicinity of Chongqing;
重庆及邻近地区地震烈度衰减关系分析与确定
Based on the peak acceleration distribution related with probability of earthquake intensity, the formula of the structure seismic reliability in the earthquake zone is proposed, and a discrete method is obtained.
通过对混凝土多孔砖砌体房屋结构的抗震可靠性研究,提出了基于概率地震烈度所对应的地面运动加速度峰值分布的可靠度计算公式和采用将各烈度地震对应的峰值加速度概率进行离散化处理的方法,基于作者早期的混凝土多孔砖墙片试验的结果推导出该结构水平最大位移和累积能量耗损的双参数破坏准则,分析了混凝土多孔砖砌体房屋结构在不同地震设防区的抗震安全性能及其影响因素。
Next, the seismic: reliability of the ship-lifter tower structure under different earthquake intensity was calculated, and some questions concerning the suitabilit.
在此基础上,对在不同地震烈度下大型升船机建筑结构的抗震可靠度及界限值的随机性对结构抗震可靠度的影响等问题进行了分析,探讨了基于Poisson过程假定和基于Markov过程假定的可靠度在不同地震烈度下的适用性、以及确定性界限和随机性界限对可靠度结果的影响等问题,得到了一些有应用价值的结果。
Occurrence Probability Model of Earthquake Intensity Based on the Poisson Distribution;
基于泊松分布的地震烈度发生概率模型
Furthermore, according to the relationship between earthquake magnitude and intensity.
考虑不同区域地震记录具有时间长度不等的特点,对"震中分布分震级网格点密集值"算法进行改进,结合GIS的空间分析方法将地震目录中的点数据空间化为能反映地震发生频率的栅格数据;依据地震震级和烈度的关系以及地震烈度在空间上的椭圆衰减模型,选择逼近和近似的计算手段,并结合空间插值方法得到中国地震烈度分布的栅格图。
the intensity distribution and disaster features for Shidian M5.
综合震区 10 2个居民点的震害调查资料 ,描述 2 0 0 1年 4月 10日、 12日施甸 5 2级和 5 9级地震烈度分布和各烈度区的震害特征 ,统计分析了震害指数与地震烈度的关系 ,讨论了震害与场地条件的关
Evaluation of vibration severity for marine engine-room auxiliaries
GB/T16301-1996船舶机舱辅机振动烈度评价
Requirements for instruments for measuring vibration severity
GB/T13824-1992对振动烈度测量仪的要求
Vibration Severity Monitoring and Evaluation for Armored Vehicle Transmission
装甲车辆传动装置振动烈度监测与评估
Measurement method of vibration for marine engine room auxiliaries
GB/T11706-1989船舶机舱辅机振动烈度测量方法
Mechanical vibration of large rotating machines with speed range from 10 to 200 r/s-Measurement and evaluation of vibration severity in situ
GB/T11347-1989大型旋转机械振动烈度现场测量与评定
Mechanical vibration of machines and equipments in diesel locomotive Evaluation of vibration severity in site
GB/T5913-1986柴油机车车内设备机械振动烈度评定方法
Evaluation of mechanical vibration severity of machines and equipments in electric locomotives
GB/T7183-1987铁道干线电力机车车内设备机械振动烈度评定方法
A Scheme of Shaking Table Test and Shock Absorption Measure Study in Tunnel of Highway in Seismic Region with Strong Motion
高烈度地震区公路隧道振动台模型试验方案设计及减震方法研究
Design Test Scheme of Large-Scale Shaking Table Model for Tunnel Outlet of Highway Tunnel in Seismic Region with Strong Motion
高烈度地震区公路隧道洞口段大型振动台模型试验方案设计
A quake or series of vibrations on the moon similar to an earthquake but usually of very low magnitude.
月震发生于月球上的类似于地震的震动或一系列的振动，剧烈程度通常不高
Wave upon wave, antlers vibrating, tails ablaze.
波浪滚滚，鹿角振动，尾巴上燃着烈火。
Avoid exposing the balance to extreme vibrations during weighing
在测量时避免出现剧烈振动现象
vibration exposure limits
振动耐受限度 振动耐受限度
When he saw that the shaker was vibrating violently, he asked us:“what would happen to the shaker? Would it break down?"
当他看见振动筛在剧烈振动时,他问我们:这台40振动筛会出毛病吗?它会坏吗?
longitudinal length extension vibration mode
纵向长度伸缩振动模式
rocking-contact speed regulator
振动接触式速度调节器
variable-length reed vibrometer
可变长度簧片式振动计
high temperature oscillating crucible viscometer
高温振动坩埚式粘度计
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