constant-effect model 中文意思是什麼

constant-effect model 解釋
定常效應模型
  • constant : adj 1 恆定不變的，固定的，穩定的，恆久的；繼續不斷的。2 不屈不撓的，堅韌的。3 忠實的，有節操的。n...
  • effect : n 1 結果。2 效能，效果，效力，效應，作用，功效；影響。3 感觸，印象；外觀，現象。4 旨趣，意義。5 ...
  • model : n 1 模型，雛型；原型；設計圖；模範；（畫家、雕刻家的）模特兒；樣板。2 典型，模範。3 （女服裝店僱...
  1. Part two introduces the theory of panel data. the basic form of panel data is : yi t = it + xi t it + uit, i = 1, 2, …, n ; t = 1, 2, …, t panel data is used for describing the instance of swatch in a collectivity in some time, and observing every unit in swatch multi - scale. basing on the different hypothesis of ui, panel data has fixed effect model and random effect model, if ui is a unit constant ( corresponding to the dummy variable of

    基於分析結果，本文給出了改革我國公司治理結構的若干建議: （ 1 ）股權性質方面，培育有效的國家股持股主體; （ 2 ）股權結構方面，逐漸調整股權結構，減少第一大股東持股比例，增加除第一大股東以外的大股東的股權集中度; （ 3 ）董事會方面，採取奇數型董事會規模，並完善獨立董事的生成機制; （ 4 ）激勵制度方面，應加大董事及總經理的持股比例。
  2. In this model, we discuss the effect of tax policy on economic growth on the condition of market competitive equilibrium. two chief conclusions are drawn : firstly, when the government has carried out steady tax policies, for consumers there exists unique optimal capital stock path along which economy can grow sostenuto and steadily ; when the tax path given by the government converge to some constant tax rate, there still exists one capital stock path which can make the whole economy grow gradually and converge evenly to the optimal state. secondly, the optimal tax path has turnpike property

    在該模型中，我們討論了在市場均衡條件下，稅收政策對經濟增長的影響，得到兩個主要結論：一、當政府實行穩定的稅收政策時，消費者存在著唯一的最優資本存量路徑，沿著此路徑經濟能夠持續平穩並且最優地增長；當政府給定的稅收路徑不穩定但能收斂到某個常值稅收率時，此時也存在一條資本存量路徑，它能使整個經濟漸近平穩地增長，並且最終收斂到最優狀態。
  3. This thesis has studied the dynamic features of a class of the discrete - time neural network model of two neurons, such as the convergence and periodicity and etc. the function of the neuron signal transmission in this model, which belongs to three piecewise constant argument, indicates the following charactersif the signal of one neuron on the network is active between a and b, it will produce invariable encouragement effect on another neuron ; if the signal of one neuron is lower than a, it will produce invariable restrain effect on another one, if the signal of one neuron is higher than b, it will produce no effect on another one

    本文研究了一類二元離散人工神經網路模型的解的收斂性及周期解的存在性等動力學特徵。該模型的神經元信號傳遞函數是三段常數不連續函數。這種信號傳遞函數表明如果某神經元的信號在a與b之間活躍，則它對另一個神經元產生恆定的激勵效果，如果某神經元的信號低於a ，則它對另一個神經元產生恆定的抑制效果，如果某神經元的信號高於b ，則它對另一個神經元不產生作用。
  4. We present a charge - transport model of the photorefractive effect with two deep traps ( two deep - trap model ) based on one deep - trap model and shallow - deep - trap model. we also found dark decay behaviors which accord with the two deep - trap model in the two - beam interference experiments. the fast decay - time constant of the space - charge field is obtained as 714s

    此外，在ce ： batio _ 3雙光束干涉光折變光柵的暗衰減實驗中，也觀察到了符合雙deep模型的衰減現象，得到光折變空間電場快衰減時間常數714s ，約12分鐘。
  5. According to theoretical model given by a. yariv, the partial revealing effect of subsequent recording light on fixed holograms has been described, and accordingly inter - batch optical erasure time constant, f, is proposed to evaluate the optical erasure to electronic gratings compensated by ions. the special experiment for measuring the parameter f is designed and performed

    依據yariv的理論分析方法，理論描述了記錄光對已定影的全息圖的部分顯影作用，據此首次提出用於量度離子補償后的電子光柵光擦除效應的批間光擦除時間常數f ，並設計實驗測得了批間光擦除時間常數f 。
  6. Secondly, the human body is simulated by a model with inhomogeneous dielectric constant and conductivity hi the fdtd program to calculate the effect of stable plane wave to the human body, hi the same time the mode can be used hi ( fd ) 2td programmed to calculate the effect of electromagnetic pulse to the human body by using debye parameter

    主要包括以下幾部分內容：首先，編制fdtd （時域有限差分法）和（ fd ） ~ 2td （色散時域有限差分法）程序，並驗證了這兩個軟體的有效性。其次，建立了解析度分別為4 . 25mm和1 . 31cm的實際人體電磁參數模型和色散電磁模型，建模過程中採用了圖象處理技術。
  7. And the effect of the work order of the two propellant units to the performance of the trajectory and the matching conditions to obtain the theoretical optimum trajectory is discussed too. according to the ballistic speciality of a hybrid base - bleed - rocket extended - range projectile during base - bleed and rocket work, its physical parameter is non - constant, such as its mass position of mass centre polar and equatorial moment of inertia. after a mulriple ballistic model of constant physical parameter is established, a mulriple ballistic model of continuous and non - continuous physical parameter is educed and the program is compiled, the theoretical tool is constructed to study othe other pivotal technology of a hybrid base - bleed - rocket extended - range projectile

    本文根據底排?火箭復合增程彈其底排燃減阻和火箭助推階段的質量、質心位置、轉動慣量等結構特徵參量變化的彈道特徵，在建立底排?火箭復合增程彈結構特徵參量為不變常量的多元彈道計算模型基礎上，導出了結構特徵參量為連續變化量和非連續變化量的底排?火箭復合增程彈多元彈道計算模型，編制了相應的計算機數值分析程序，構建了研究底排?火箭復合增程彈其它關鍵技術的理論工具。
  8. The moving loads and reaction caused by rail are discrete by stepwise constant functions in time domain. the calculation of load effects is simply, but the calculation of the effect of react force is complicated. the calculation of the vibration caused by react force is discussed in detail, and compared with continuous model

    在時間域內，將移動荷載和其引起的軌道的響應利用階躍函數進行離散化，簡化了荷載作用的計算，但是由於反力的計算十分復雜，所以本文對由反力引起的振動的計算進行了詳細的分析，並與連續性模型進行了對比。
  9. The article aimed at the uncertainty in actual industrial control, combined robust control with adaptive control, proposed an improved robust gmc based on invariable constant linear model and applied it in the actual paper industry, with matlab simu - lation, obtained a better effect, has certain actual application value

    文章針對實際工業控制中的不確定性，將魯棒控制與自適應控制相結合，提出一種改進的基於定常線性模型的魯棒gmc控制，並將它應用到實際造紙工業中，經matlab模擬模擬，取得了較好的效果，具有一定的實際應用價值。
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