instrumental variables 中文意思是什麼
instrumental variables
解釋
工具變量- instrumental : adj 1 儀器的，器械的，器具的 〈cf vocal〉。2 樂器（上）的，為樂器譜曲的，用樂器演奏的。3 作為手段...
- variables : 變量
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Topics include statistical inference, regression, generalized least squares, instrumental variables, simultaneous equations models, and the evaluation of government policies and programs
主題包含了統計的推論、回歸、一般化最小平方、工具變數、聯立方程模式、以及政府政策與計劃的評估。 -
Specially for the particularity of the path - length control system in the laser gyros consist of total reflecting prisms and the necessity of identifying the parameters in the system, the mathematical model of the temperature control system in the trp laser gyros is presented, and three new identifying algorithms are deduced in theory based on the method of the least squares : algorithm of immediately identifying, algorithm of instrumental variables and recursion algorithm
摘要針對全反射棱鏡式激光陀螺腔長控制系統的特殊性及其模型參數辨識的必要性，給出trp激光陀螺溫度控制系統的數學模型，並基於最小二乘法從理論上分析推導出3種新型參數辨識法：直接辨識演算法、輔助變量法和遞推演算法。 -
Based on two significant social - psychological variables : study attitude and study motivation, this research presented the main motivation of studying english is " functional role ", and the instrumental motivation of domestic english learners is stronger than the integrative ones
這項研究側重於兩大最重要的社會心理變量：學習態度和學習動機，表明了學生學習英語的主要動機來源於「功能角色」 ，國內英語學習者的工具型動機明顯強于綜合型動機。
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