1) global attenuation law
全局衰减律
1.
For reserving the excellent dynamic characteristic of GSMC(global sliding mode control) with the discrete exponent reaching law,while weakening the chattering of GSMC system,and simplifying the structure and design of discrete global sliding mode control law,the simpler discrete global attenuation law method of discrete GSMC was proposed.
为了保持离散指数趋近律法设计的全局滑模控制系统的良好瞬态特性,削弱全局滑模控制系统的抖振,简化离散全局滑模控制律结构和设计,提出了一种结构更简单的离散全局衰减律。
2) attenuation rule
衰减规律
1.
On the basis of theoretical analysis and on-the-spot investigation,the attenuation rule of oscillation speed in Wushan Copper Mine is obtained upon repeated researches on the collected data,providing useful evidences for the clarification of explosive amount.
通过理论分析和矿山现场测试,对收集大量的测试数据运用最小二乘法回归原理进行分析,得出了武山铜矿中深孔爆破振动速度的衰减规律,为矿山今后确定一次最大一段起爆药量提供了依据和保障,也可为类似地下矿山的设计和施工提供参考。
2.
The ANN for attenuation rule of 3D seismic parameters is studied in the paper.
地震动参数的衰减规律在地震工程中有着重要的地位,随着地震动参数观测记录的积累,追求较为全面准确的衰减规律也是一个重要的基本问题。
3.
In order to establish a low strain method of quantitative analysis of pile defects considering pile-soil interaction,the attenuation rule of velocity wave along pile shaft was studied under different pile-soil interaction damping coefficients.
为了在低应变条件下建立考虑桩土相互作用的基桩缺陷定量分析方法,研究了不同桩土相互作用阻尼系数时速度波沿桩身的衰减规律。
3) attenuation
[英][ə,tenju'eiʃən] [美][ə,tɛnjʊ'eʃən]
衰减规律
1.
Based on the research of hydrogeological condition,the distribution and attenuation of COD of Sanlidian channel in unconfined aquifer are studied by numerical simulation.
在水文地质条件研究的基础上,通过数值模拟对三里店沟水COD在潜水含水层中的分布及衰减规律发现:构成COD的物质在潜水含水层中迁移缓慢,COD衰减梯度较大,为0。
2.
Based on the science of combustion,the explosion dynamics and the applied mathematics,the study of gas explosion spreading and attenuation can be made from the reaction angle between the explosion and the environment.
瓦斯爆炸的传播和衰减规律的研究是基于燃烧学、爆炸力学和应用数学等学科从爆炸所在环境出发的应用研究。
3.
The wave intensity change equations are applied with the purpose of studying the detonation attenuation.
目的在于利用瓦斯爆轰的波强度变化方程研究掘进巷道瓦斯爆轰的衰减规律。
4) attenuation law
衰减规律
1.
Analysis of attenuation law and characteristic parameters in excavation roadway during gas explosion;
掘进巷道瓦斯爆炸衰减规律及特征参数分析
2.
Influential factors analysis of blasting vibration attenuation law;
爆破震动衰减规律的影响因素
3.
Analysis on attenuation law of axial velocity during the initial stage of tunnel fire;
火灾初期隧道轴向风速衰减规律分析
5) attenuation pattern
衰减规律
1.
Based on the observed data of strong motion acceleration in California and other states of USA,the attenuation pattern of peak horizontal and vertical acceleration and square root of short time mean squares is studied by regressive analyzing method.
根据美国加州等地的强震记录,采用回归分析方法研究了加速度记录水平、竖向分量的峰值加速度(PGA)和一定时间窗内加速度均方根(SRSTM S)的衰减规律。
6) attenuation relationship
衰减规律
1.
Through the statistical analysis on the ratio of vertical to horizontal peak accelerations, PGA attenuation relationship and response spectra ratio of these strong ground motion data, we studied the influences of site condition and focal mechanism on vertical ground motion.
将欧洲数百条地震动记录按震级、震中距、场地类别及震源机制等条件分类,通过对地震动记录加速度峰值比、加速度峰值衰减规律及反应谱比等内容的统计分析,研究了震源机制、场地类别等因素对竖向地震动的影响。
2.
Based on 266 strong ground motion records, an attenuation relationship was developed for both absolute and relative input energy spectra.
利用266条强震记录,在研究绝对输入能量谱和相对输入能量谱衰减规律的基础上, 对由衰减关系所确立的两种输入能量谱进行对比分析,讨论了延性系数对这两种输入能量谱 的影响。
3.
We used this attenuation relationship to simulate the PGA of near-fault regions.
本文依据这批数据对汶川大地震强震动特性进行了初步分析,给出了此次地震断层附近地区的PGA衰减规律,并利用此规律模拟断层附近的加速度峰值,绘制了PGA分布图;给出了汶川地震断层附近的加速度反应谱、上盘效应、速度大脉冲效应等地震动特征,这些特征可作为抗震设计规范修订的依据及灾区重建时参考;最后展望了这批强震动加速度记录的应用前景。
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