虛變量 的英文怎麼說

中文拼音 [xūbiànliáng]
虛變量 英文
dummy variables
  • 虛 : Ⅰ名詞1 （空虛） void; emptiness 2 （政治思想等方面的道理） guiding principles; theory 3 （二十八...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  1. Effects of categorical variables on fale recognition

    范疇變量對虛假記憶的影響
  2. Congestion dummy variable

    擁擠虛擬變量
  3. Finally, interactive time dummy variables are incorporated into the model to highlight the significant relational dynamics in our sample

    最後，通過設置時間虛擬變量來考察各年度的各影響因素對資本結構的影響程度。
  4. And also expounding that the first - fight - time can give explanation to the advanced techniques, the estimating ranges of first - fight - time in alcc estimating are expanded. the type - changed index and type - difference are selected as dummy variables. it has discussed mearsursion of type - changed index, and three criterions and three methods to set models including the dummy variable are got

    說明性變量選取：說明性變量的選取基於費用因子分析，特別討論了首飛時間對費用預測的影響，論述了首飛時間能對技術先進性作出說明，拓寬其在費用預測中的作用，選取改型指數虛設變量，研究了改型的量化方法，提出了判別準則和實現方法。
  5. Based on funds holding stocks sample and whole stocks sample, it uses cck adjusted model to test the existence of herd behavior of funds and that of the whole stock market. then, it inserts dummy variable dt in cck adjusted model to testify whether herd behavior of funds and that of the whole stock market are the same in scale to prove whether herd behavior of funds makes stock prices fluctuate in the whole stock market

    本文主要採用實證研究的方法，首先運用cck校正模型，按基金持股樣本和股市整體樣本，分別檢驗基金羊群行為及股市整體羊群行為是否存在；其次，在cck校正模型的基礎上引入虛擬變量d _ t ，建立虛擬變量模型，以檢驗基金與股市整體羊群行為的顯著程度是否相同，從而證明基金羊群行為能否引起股市整體價格的波動。
  6. Furthermore, the dissertation deals with institutions as dummy variables and establishes a measure model to go on the research, making a conclusion that the institutions is not only an important factor in urbanization, but also the one, which has the biggest flexibility in the system innovation of urbanization. in the eighth and ninth chapters, factors hampering the regime innovation in urbanization are discussed. then the direction and principles of the system innovation of urbanization are approached

    在以上分析的基礎上，論文把城鎮化中的制度因素作為虛擬變量，華中農業大學博士學位論文:我國城鎮化中的制度變遷研究來進行計量模型的建立和檢驗，最後得出結論:制度因素不僅是影響城鎮化進程的重要作用因素，而且在城鎮化進程中制度創新的彈性是最大的。
  7. By setting up dummy variable regression equation, the effect of non - economy factors is analyzed quantitatively. 3. using artificial neural network to map the relationship between the household appliance percentage and average residential electricity demand, this paper presents an artificial intelligent method to forecast residential electricity demand

    建立帶有虛擬變量的多元回歸方程，同時考慮了影響居民電力需求的經濟因素和非經濟因素，定量描述了非經濟因素（例如氣候、生活習慣、消費習慣）對居民用電的影響。
  8. Therefore, the paper expanded eles, namely, turned the above assumption into the following : all the consumers in the same income level have the identical marginal budget share or the identical marginal propensity to consume when consuming certain goods, but consumers in different income level have not and the paper, by defining and introducing the nominal variable of income level - a variable of the marginal propensity to consume only resulting from the change of consumers " ( rural residents ) income level, with which the standard income level was compared, adopted to expand again the extended eles model, exploited the surveying household data in 2001 by liaoning statistics bureau, caculated ( 1 ) the marginal propensity to consume, real expenditure structure, real propensity to consume and marginal budget share of main consumer goods of rural residents in different income levels ; ( 2 ) the proportion of the basic demand quantity, the basic demand structure, the basic demand of main consumer goods in real expenditure of livelihood consumption ; ( 3 ) the income elasticity of demand, the expenditure elasticity of consumption, the price elasticity of demand and the cross price elasticity of demand of main consumer goods ; finally, came the following conclusions : 1

    故本論文採用對擴展的線性支出系統進行再擴展，即將上述假定改為： 「對某類消費品的邊際預算份額或邊際消費傾向，對于同一收入等級的所有消費者均相同，但對于不同收入等級的消費者則有可能不同。 」並通過定義和在模型中引入收入等級虛變量，藉以代表與基準的收入等級相比，消費者（農民）僅僅由於其所處的收入等級變化所導致的邊際消費傾向的變化量。本論文採用對擴展的eles模型的再擴展，利用遼寧省統計局農調總隊的2001年農村住戶調查分戶資料（共1890戶） ，計算了（ 1 ）不同收入等級農民對各主要類型消費品的邊際消費傾向、實際支出結構、實際消費傾向、邊際預算份額； （ 2 ）不同收入等級農民對各主要類型消費品的基本需求量、基本需求結構、基本需求占實際生活消費支出比重； （ 3 ）不同收入等級農民對各主要類摘要型消費品的需求收入彈性、消費支出彈性、需求自價格彈性、需求的交叉價格彈性。
  9. This article is divided into four parts : part one emphasizes the common theory that corporate governance structure figures out the agent problems caused by the separation of ownership and control power, and sets forth correlative research done by domestic and foreign scholars from the relationship between centralization degree of ownership and performance, the relationship between incentive of senior managers and performance, and the relationship between board and performance. and puts forward some deficiencies in domestic research, for example, the select of performance is bald ; most research methods are cross section analysis, there is little research basing on both time serial and cross section datum ; and there is little research have the inside and outside corporate governance factors in the selection of corporate governance structure indexes

    描述性分析介紹了我國上市公司治理結構的現狀;通過公司治理變量的線性組合，採用主元分析法來構造反映公司治理水平的指標z ，並由此z指標回歸經營績效指標得出公司經營績效與公司治理的整體效果有相同方向變化的結論;變量之間的相關關系揭示了這些變量之間關系的合理信息;面板數據結果顯示:第一大股東持股比例、國有控股虛擬變量與經營績效負相關;第二至第十大股東股權集中度、董事會持股比例和總經理持股比例與經營績效正相關。
  10. Thirdly, in the environment of labview, several kinds of vis used for sensor signal test are designed, including wave generation, time domain measurement, filter disposal, frequency analysis, etc. after that, wavelet analysis in the application of one - dimensional signal de - noise is studied, threshold and translation invariance wavelet de - noise are realized, and wavelet de - noise vi for zero drift signal of the fiber optic gyro in fcs is designed using labview

    接著，在labview環境下開發了多種用於傳感器信號測試的虛擬儀器，具有波形發生、時域測量、濾波處理、頻譜分析等多種功能。隨后，研究了小波分析在一維信號消噪中的應用，實現了labview環境下的閾值法和平移不變量法小波消噪，並利用labview設計了飛控系統中光纖陀螺零漂信號的小波消噪儀。
  11. On this basis, adopt the plural linear regression method, regard peasant ' s per capita income as the dependent variable, per capita agricultural land area, unit agricultural land area chemical fertilizer use amount, agriculture total value account for gdp proportion and land degradation the index data ( land degradation fictitious variable, land degradation percentage and land degradation the array variable of the degree ) as the independent variable

    在此基礎上，採用多元線性回歸方法，以農民人均收入為因變量，人均農業用地面積、單位農業用地面積化肥使用量、第一產業總值佔gdp比例和土地退化指標（土地退化與否的虛擬變量、土地退化百分比和土地退化程度的序列變量）為自變量來分析。
  12. For the exact feedback linearization of general nonlinear singular systems, by taking the algebraic variables as virtual inputs, a recursion inverse algorithm is introduced in this paper

    摘要對一般廣義非線性系統的反饋線性化問題，通過將代數變量視為虛擬輸入，給出了構造性遞歸求逆演算法，實現了系統的精確反饋線性化。
  13. In the second part, when a four - dimensional smooth system has two distinct pairs of purely imaginvalues at the equilibrium y = 0, the 5 - order normal form is given

    第二部分，通過復變量替換和比較系數，在平衡點y = 0處，當特徵根為兩對純虛根時，本文給出了一般的四維非線性微分方程的直到五次的規范形具體形式。
  14. In two - view case, a method is presented for calculation 2d projective transformation and construction the virtual elements by combination of spatial points and lines. so more 3d invariants of object ' s spatial structures can be extracted from real elements and virtual eleme nts. ( 3 ) the geometric characteristics of 2d symmetric objects " in perspective images are lucubrated

    （ 2 ）擴展了2d射影變換矩陣的求解方法，將單純利用點集對應的計算模式擴展到利用直線集、點線組合等多種類型來建立兩個射影平面的對應關系；總結了平面上基於點、直線元素可求解的多種3d不變量；提出了雙視圖下由點、直線元素的多種對應關系求解2d射影變換來構造「虛元素」的方法，結合「實元素」和「虛元素」可以提取更多的空間3d不變量。
  15. Then using the method of unit virtual - load, the displacement constraints are transformed into a explicit function to the design variables

    然後利用單位虛載荷法將位移約束轉化為設計變量與約束的顯式關系。
  16. In ship steering controller design, the nonlinear ship model should be written in siso strict feedback form. we start the recursive design with the system first state variable and continue with the second one. by introducing a change of coordinates, we choose lyapunov functions to stabilize the system and obtain the control law

    在船舶航向控制方面，考慮船舶的穩態回轉非線性，應用backstepping方法設計：首先把系統化成單入單出的嚴格反饋控制形式（呈下三角結構） ，假設系統后一個狀態變量是前一個狀態變量的虛擬控制，通過適當的變量代換，在每一步構造李亞普諾夫函數，使前一子系統在虛擬控制下漸近穩定，逐步遞推出控制器控制規律，使整個系統在平衡點滿足一致漸近穩定性。
  17. The stepwise regress technology was applied to analyze the factors after virtualization of status variables

    將狀態變量轉化成虛擬變量后，運用逐步回歸技術進行因素的回歸分析。
  18. In the process of vd i adopt parameter design and variable design to different workpieces to set 3 - demention model

    在虛擬設計中，針對零部件加工工藝和應用的不同特點，分別採用參數化設計和變量化設計對檢測系統零部件進行3d建模。
  19. Experimental research on applying fuzzy logic systems to active vibration control of flexible structures

    機械可靠性設計的虛擬變量演算法
  20. Secondly, it mainly analyses the actuality of china shipping agency longkou and mentions the main problems that the company is faced to inside herself

    最後，文章通過建立帶虛擬變量的回歸模型，對龍口地區的船代市場進行了定量的預測。
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