coefficient adj. 共同作用的。 n. 1.共同作用;协同因素。 2.【数,物】系数,率;程度。 coefficient of absorption 吸收率[系数]。 coefficient of expansion 膨胀系数。 coefficient of displacement 排水量[系数]。
Chapter 2 is devoted to compare wavelet analysis and fourier analysis . the features of each element in wavelet family will be studied, and the criteria in choosing the wavelet function for different purposes will be outlined . an example is given to show how to use the relationship between the wavelet coefficient modules and the broken signal to achieve fault diagnosis 第二章简要介绍了小波分析和傅里叶分析的差异,并分析了matlab所提供的小波函数的特点,探讨了小波基选择的标准,最后用实例说明了利用小波变换后的系数模值和信号突变的关系来诊断故障。
The paper introduces the ideas, structure of the software, and introduces the human-computer interface module, graphic unit module, the setting calculation module, the offset coefficient module, database module and so on, and function division of every module . this paper gives a brief description of the characters and benefits of the software 本文介绍了软件的设计思想、整体结构并介绍了软件的人机界面模块、图元模块、整定计算模块、分支系数计算模块、故障计算模块,数据库模块六大部分及其功能,详细阐述了其特点和优点。
Following the research route of mend with study and development with creation, give the definition of risk and the methods of risk identifying, divide the risk attitude into risk loving, risk neutralism and risk avoiding, point out the importance of enhancing the risk consciousness for lightning hazard, and summarize the mechanisms of lightning hazard the theories and methods of risk assessment for lightning hazard . provide a set of risk assessment parameters for lightning hazard, which includes lightning times n, hazard probability p, hazard loss d, hazard risk r and protection efficiency e, and give the definition, decisive factor, value method and value scope of each parameter . establish a risk assessment model for lightning hazard which includes lightning hazard base module, lightning hazard probability module, lightning hazard loss module, lightning hazard accepted risk module, lightning protection cost module, correcting coefficient module, lightning hazard risk module, and lightning protection class and efficiency module 遵循借鉴改造和发展创新的研究思路,给出了风险的定义和风险识别的方法,将风险态度分为风险喜好型、风险中庸型和风险逃避型,指出了提高雷电灾害风险意识的重要性,总结了雷电灾害的作用机制和雷电灾害风险评估的理论与方法;提供了包括雷击次数n、雷灾概率p、雷灾损失d、雷灾风险r和雷电防护级别与防护效率e等5类基本参数的雷电灾害风险评估参数体系,并给出了各个参数的定义、参数的决定因素和取值方法以及取值范围;设计了包括雷电灾害基础模块、雷电灾害概率评估模块、雷电灾害损失评估模块、雷电灾害允许风险评估模块、雷电防护成本评估模块、校正系数模块、雷电灾害风险评估模块、雷电防护级别与效率分析模块等8个模块的雷电灾害风险评估模型,评估模型以iec61662的评估模型为基本参考,以雷灾损失d为中心,把雷灾风险划分为经济雷灾风险r_e和人身雷灾风险r_l,并对r_e和r_l分开单独处理。