criterion variable 中文意思是什麼

criterion variable 解釋
標準變量
  • criterion : n. (pl. -ria) (評判等的)標準,準則。
  • variable : adj 1 易變的,變化無常的,無定的 (opp constant steady)。2 可變的,能變的;變換的。3 【數學】變...
  1. Then, we define an input variable selection criterion to select and sequent candidate variables

    定義了一種用於實現模糊模型的變量選擇和排序的變量選擇標準函數。
  2. The variance with the criterion variable of these six factors is 56. 931 % and inner identical coefficient a ) is 0. 742, which proves that the questionnaire, in certain degree, can measure the graduates " ocse

    六因素的方差累計貢獻率為56 . 931 ,問卷的內部一致性系數為0 . 724 ,說明該問卷能夠在一定程度上測量大學生的擇業效能感。
  3. Using the complex potential method in the plane theory of elasticity of an anisotropic body, the series solution of finite anisotropic thin plate containing an elliptical inclusion is proposed with the help of faber series. a hybrid element with an elliptical inclusion for anisotropic materials is obtained by using the hybrid variable principle, and the element efficiency is verified by numerical examples. the state of the damage is modeled by an elliptical soft inclusion, and using the point stress criterion based on characteristic curve and yamada - sun etc. criteria, the prediction of the strength of a composite laminate with damage is set up

    首先基於經典層板理論,將復合材料層板的彈性問題化歸為均勻各向異性板來求解;採用各向異性體平面彈性理論中的復勢方法,以faber級數為工具,給出了有限大含橢圓核各向異性板彈性問題的級數解形式;利用雜交變分原理,成功導出含橢圓核各向異性板雜交應力有限元,並用算例驗證了該單元的可行性和有效性;採用含剛度折減橢圓形彈性核的沖擊損傷模型,引入基於特徵曲線和yamada - sun破壞準則的點應力判據,建立了含損傷復合材料層板剩餘強度的分析方法;通過數值計算詳細討論了各種幾何參數對損傷層板應力分佈、剩餘強度的影響,得到了一系列對工程應用具有實用價值的結論。
  4. There are five parts are as follows : in part one, the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration, then the low frequency oscillation of the system is simulated according to the model. next, from the view point of energy conversion of the inverter - induction system, a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not

    首先引入開關函數概念,建立了正弦脈寬調制( spwm )逆變器供電異步電動機,考慮主磁路飽和時的變頻調速系統整體數學模型,模擬系統的低頻振蕩;其次從逆變器-異步電動機系統能量轉換角度出發,提出通過檢測逆變器輸入電流中負電流的間隔時間是否大於1 / f _ c ( f _ c為逆變器載波頻率)來判定系統是否出現低頻振蕩;最後的實驗結果驗證了系統低頻振蕩建模和判據的實用性和正確性。
  5. In this paper, fuzzy pid controller based on t - s model has been studied. due to lacks of criterion of optimization and excessive tuning parameters, the adaptive genetic algorithm with variable cross and mutation probability is used to optimize the parameters and the performance of control systems is improved. firstly, based on modified pid - flc with four fuzzy rules, scaling factor and the fuzzy consequent parameters are optimized by aga with multiple performance indexes respectively

    本文主要研究基於t - s模糊模型構成推理形式的模糊pid控制器,針對以往的模糊pid控制沒有統一的參數整定的準則及大量的待整定參數,本文採用具有動態交叉、變異概率的自適應遺傳演算法( aga )優化控制器的待定參數,改善了系統的控制性能。
  6. Through the excel program, and combining the inside and outside environment of the excavation and stress field and displace field, the data of stress and displacement of points are analyzed in variable depth and load grade and terminal state. the spss software has been applied to the statistics of geometry parameter of failure surface, and the failure surface criterion is created by the linearity regression from d ( the longest horizontal distance between the failure surface and the side face of the slope ), ho ( the depth

    此外,應用spss軟體對試驗破壞滑弧的幾何參數進行統計分析,並對滑弧的最大水平深入距離d及d處至坑底的高度h _ 0結合各水理指標進行多元線性回歸,建立滑面的判據,並對此判據進行修正,且用實際工程對其進行評價,通過反算已知滑面的c 、值,表明邊界條件對破壞形式有極大的干擾作用,所直接看到的破壞類型土體不是發生整體滑移破壞,而是剝落式的潰屈破壞。
  7. Based on the formal measurement table applying the 2 ( superscript nd ) pre - test on 351 students and conducting the examination of the credibility and validity to construct the credibility and validity of the measurement table, the coefficient of inner consistency of individual element in this table was. 673 ~. 892, and the coefficient of re - test after the interval of two weeks was. 697 ~. 930, with the performance of physical education learning to prove the discriminate validity and criterion - related validity, and with the element analysis to examine the construction validity, the sum of variable amount which could be interpreted was 59. 06 %, the outcome showed this table was having good credibility and validity that could provide physical education teachers to realize the learning strategies of university students

    以正式量表對351位學生進行第二次預試,再進行信度與效度的考驗,以建構量表的信效度,本量表各因素的內部一致性系數為. 673 ~ . 892與隔二周的重測信度為. 697 . 930 ,以體育學習表現來驗證辨別效度及效標關聯效度,以因素分析考驗建構效度,所能解釋總變異量為59 . 06 % ,結果顯示本量表具有良好的信效度,確實可以提供國內體育教師了解大學生的體育學習策略。
  8. Recently, it is due to the limitation of design on variable air volume air conditioner, the absence of effective vibration isolation system on the fixing of vantilation equipment and the maladjustment of air volume in the air channel, that the noise and vibration is in excess of the criterion, and much more economice dissension is solicited

    摘要近年來,由於變風量空調器設計缺陷,安裝時沒有採用有效的減振措施引起機殼振動或管道風量調節不當,導致噪聲超標,引發了許多經濟糾紛。
  9. In order to simplify the calculated procedure, the error coefficient ( r1 ) has been introduced to paper. and so, the criterion formula ( 2. 1 ), which calculates strain and stress in concrete, can be replaced by one - variable formula ( 2. 17 )

    為簡化計算類設計破壞形態時粘貼加固構件的抗彎承載力,本文引入誤差調整系數_ 1 ,將規范混凝土應力?應變公式( 2 . 1 )簡化成一階線性公式( 2 . 17 )並代入計算。
  10. Although the criterion of telecom management network ( tmn ) is invariable, the realization of nms is variable. the various nmss take much maintemance questions to network managers, which is the contrary to operational simpleness that operators ask

    各類通訊產品的各自不同網管系統,給網路管理者帶來很大的維護問題,與電信運營商日益要求的維護方便,操作統一相去甚遠。
  11. Are the criterion measures of the dependent variable appropriate, valid, and reliable

    關于研究指標的分類是否合理?是否有效?是否可靠?
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