It offers some determinate method of the attenuation factor.

通过大量现场测试、数据处理与分析,重新确定了衰减因子的取值,建立了由地面覆盖物所引起的交通噪声附加衰减量与水平距离之间更为合理的关系式,最后,对回归方程的精度进行了检验。

In this paper a measurement method for attenuation factors of the vibration of the thin-shell structures is proposed,in which the acoustic measurement in the sound field near the structure is applied instead of the vibration measurement on the radiating surface.

提出用脉冲激发力代替平稳激发力 ,借助近代信息处理技术 ,分离出各种模式的阻尼振动 ,可测定各个模式的简正振动频率及相应的振动衰减因子 。

Basec on simulating human brain to be remember by the part and that associating the whole characteristic as the foundation,and by inducting the associative memory attenuation factor,the neutral network structure and the learn arithmetic were developed apply in the system of fault diagnose in time.

以模拟人脑由部分记忆而联想整体的特点为基础,通过引入联想记忆衰减因子,改进了神经网络结构和学习算法,以应用于系统的故障及时诊断。

Attenuatorloop structure was calculated using DNASIS software.

目的　研究启动子和衰减子突变与大肠埃希菌高产AmpC酶的关系。

Research on a piecewise mathematical model with decay factorfor battery

一个带衰减因子的电池分段数学模型研究

To study the significant effect of keywords in information filtering and classification in scientific journals,In this paper,we empirically investigated statistical characteristics of keywords in a top-acade-mic journal,namely Proceedings of National Academy of Science of the United States of America(PNAS),including the frequency distribution,the temporal scaling behavior,and the decay factor.

为了研究论文关键词在期刊系统中的过滤和分类作用,本文运用语义动力学的分析方法,对美国国家科学院院刊近16年的关键词进行了实证统计分析,包括关键词的词频分布、关键词演化标度行为,以及关键词的衰减因子变化。

This paper discusses a simple VaR method for linear instrument in which the volatility of return is computed by the Exponentially Weighted Moving Average(EWMA) method,and the optimal decay factoris determined by the Root Mean Squared Error(RMES) criterion.

其中,用指数加权移动平均方法(EWMA)来计算收益率的波动,用最小RMSE标准来确定最优衰减因子。