经济计量学中的变量变换 transformation of variables in econometrics
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例句与用法
Symbol , word , size , site , color of measured variables 测量变量的符号、文字、大小、位置、颜色。
Variable range shall be within the pricision recognized by system 测量变量的变化值应在系统可识别的精度范围内。
In essence , an operational definition of a variable describes how or by what means we are going to measure the variable 本质上,变量的操作性定义是如何或用什么办法测量变量的描述。
By using temporal redundancy , upper and lower bounds of process measurements are added in the modified sicc method to avoid the misidentification of gross errors 改进后的算法利用时间冗余性,加入对过程测量变量的上下限约束,避免了显著误差的误判。
To explore how and how much of influence adversity has on psychological or physical health by mood and coping styles by correlation analysis and structural model method 在对各变量进行相关分析的基础上,建立了结构方程模型,进一步揭示了各测量变量间的内在关系。
A learning algorithm of compressed candidates based on bayesia belief network is developed to solve slow running problem of traditional bayesian belief network constructing algorithm 摘要针对传统算法分类速度较慢的不足,改进传统算法中候选变量的搜索方式,提出用依赖度量函数测量变量之间的依赖程度,得出压缩候选的贝叶斯信念网络构造算法。
To solve the problems caused by the varieties of the missile dynamics with the difference of flight height , velocity and attitude angle in modeling the missile , in this thesis , the theory of variable structure model reference adaptive control is used to design a pitch channel autopilot based on a longitudinal missile model , the status equation using the measurable parameters of load and angular rate is established , and the methodology to choosing the reference model is discussed also , and the performance of the controller is analyzed by means of simulation 为了解决拦截弹气动参数随飞行高度、速度、姿态的不同,变化范围大,控制系统难以准确建模的困难,基于纵向平面拦截弹模型,采用模型参考变结构控制理论设计了俯仰通道姿控复合控制系统,以可测量变量过载和角速度作为状态量建立了系统的状态方程,讨论了参考模型的选择方法,并对系统的性能作了仿真分析。