estimate equation 中文意思是什麼

estimate equation 解釋
估計方程
  • estimate : vt 1 估計,估算;估價;估量。2 評價,評斷。3 〈古語〉尊重。vi 估計,估價。n 1 估計;預測;〈英國〉...
  • equation : n. 1. 平衡,均衡;平均,相等。2. 【數學】方程式,等式。3. 【天文學】(時)差;均分,等分。4. 【化學】反應式。
  1. Residual a posteriori error estimate two - grid methods for the steady navier - stokes equation with stream function form

    方程流函數形式兩重網格演算法的殘量型后驗誤差估計
  2. We must take care to reappraise the historical data we use to estimate the regression equation.

    應用過去的估計回歸公式時,我們必須注意對歷史數據進行重新估價。
  3. Aiming at the nonlinearity of state and measure equation and measurement being only angle information, which results in poor observability and classical estimate methods such as extended kalman filter not converging, the boost phase states and covariance are estimated using unscented kalman filter ( ukf )

    針對狀態方程和觀測方程都是非線性方程,觀測量只有角度信息,造成可觀測性弱、經典的濾波演算法如擴展卡爾曼濾波方法不易收斂的問題,利用unscented卡爾曼濾波ukf演算法對主動段進行狀態和協方差估計。
  4. The azeotropic distillation of the system acetic acid - water - azeotropic agent ( isopropyl acetate and butyl acetate ) is simulated. due to the non - ideal behavior, nrtl - hoc and uniquac - hoc model is used to depict vapor - liquid phase equilibrium behavior of this system. concerning the liquid in the decanter, the stability is checked by tangent plane stability analysis, and the initialization of phase splitting calculation is produced. a good estimate of the phase fration is gotten by successive substitution with newton ' s method, and every component of two phase is gotten by mass equilibrium equation. finally, the solution of this equation is produced with successive substitution calcultion. the naphtali - sandholm method is used to simulation of azeotropic distillation. by virtue of this combined calculation method, the simulation is begun with operational data as basical data. the results of simulation accord with the operating data, which proved that the combined calculation method is credible

    該體系具有高度非理想性,氣液相平衡模型採用nrtl - hoc和uniquac - hoc模型,採用切平面判據法對進入分層器中的液相進行液相穩定性測試,提供液液相分離計算的初值,再結合牛頓拉夫森迭代法運算求得相分割系數,根據物料衡算求出各相組成,循環迭代可求得分層各組分數據,共沸精餾模擬計算採用那夫塔列-山德荷姆全變量迭代演算法。
  5. However, it lacks runoff data in absolutely most areas where culvert and small bridge locate. some traditional design method, such as the methods of statistic zone parameter, modification by catchment area, rainfall - runoff, reasoning formula and empiric equation et al, are used to estimate flood flow through culvert or bridge

    然而,絕大多數中小橋涵所在地卻沒有可利用的徑流資料,通常採用統計分區法,面積改正法、暴雨徑流法、推理公式和經驗公式等傳統設計方法,這些方法一般比較繁瑣、精度較低、設計的流量偏大,導致工程造價偏高而浪費資金。
  6. In this part, the first work is pretreatment of a numerical model, including creating calculating grids automatically, improvement of the linear boundary technique and so on. the second work is to estimate the siltation of a basin or channel by liu ' s equation. the third work is to build an edbms ( engineering data base management system ) for the result of mathematical model

    其中主要的工作是:其中主要的工作一是數學模型的前處理,計算網格自動生成,線邊界法的優化;二是應用劉家駒公式在長江口深水航道治理工程地理信息系統的支持下實現港池、航槽開挖的實時回淤估算;三是將計算成果形成gis管理和支持下的工程數據庫系統( engineeringdatabasemanagementsystem ) ,同時嘗試解決時間序列數據如地形沖淤變化,潮位、流速過程的分析、查詢和顯示問題,並實現實時、互動的動態演示及三維可視化。
  7. A new economic evaluation method of oil - gas exploration and development is established in the article. the hard core of the article is that : discussing the applying theory of the oil - gas exploration and development economic evaluation based on the real options, analyzing and confirming the binomial model of the abandon option in the exploring phase and the partial differential equation of the shut - down option in the developing phase fitting for most oil - gas projects, ascertaining correlative factors based on real projects and the methods how to estimate parameters

    本文要構建一種基於實物期權法的油氣勘探開發類項目的經濟評價方法,探討基於實物期權法的油氣勘探開發經濟評價方法的應用原理,提出適合大多油氣勘探開發項目的勘探階段放棄期權二叉樹模型和開發階段停啟期權偏微分方程,確定基於該類項目實際的相關參數,並提供解決參數估計的方法。
  8. Chapter 6, consider a coupled generalized kdv - burgers equation. in section 6. 2, we study the initial - boundary value problem in the semi - unbounded domain, the existence of global solutions and global attractors is proved by means of a uniform priori estimate for time. in section 6. 3, the cauchy problem by using the weighted space, the existence of the global attractors for a coupled generalized kdv - burgers in an semi - unbounded domain is proved

    第六章,考慮了一類廣義耦合的kdv - burgers方程,在第二節中討論了半無界區域上的初邊值問題,證明了整體光滑解和整體吸引子的存在性;在第三節中討論了cauchy問題,利用加權函數和加權空間上的插值8不等式,證明了半無界區域上整體吸引子的存在性。
  9. After all have done we could get the equation of indicating pointer and long length graduation. and then calculate the distance between the two lines to estimate whether the two lines are superposition under a given threshold. if not superposition the computer will drive the standard power station to a suitable value and estimate again until being superposition

    根據擬合出的指針直線方程和長刻線直線方程計算出兩者之間的距離,並根據預先設定的閾值,判斷兩者是否重合,如未重合,則驅動標準源,根據判斷更改指針位置,並再次判斷,直到重合。
  10. The non - linear partial differential ( integral ) equation often needs to be solved in the computational hydraulics, however, the mathematical theory of its numerical method has yet not been sufficient at present, for example, the development of some theories such as the strict stability analysis, error estimate and convergence proof has been unable to keep pace with the development of the numerical simulation method

    計算水力學中所求解的是非線性偏微分(積分)方程組,其數值方法的現有數學理論尚不夠充分,嚴格的穩定性分析、誤差估計和收斂性證明等理論工作的發展還跟不上數值模擬方法的進展。
  11. Compared and contrasted the two methods, we find that beer is more realistic than feer in that it conquers the default of “ idealization ” in feer by using reduced - form equation to estimate the equilibrium exchange rate. consequently, this dissertation chooses to use beer in building the econometric model of equilibrium exchange rate of rmb

    本文的邏輯構架是:西方經典匯率決定理論在中國的適應性有限現代均衡匯率決定理論模型的引入運用現代均衡匯率決定理論建立人民幣均衡匯率模型人民幣長期均衡匯率估計人民幣均衡匯率長期失調的測算和原因分析。
  12. Gradient estimate of a class of elliptic equation in nondivergence structure

    一類非散度型橢圓方程解的梯度估計
  13. By using the nonlinear estimate in chapter 4 together with the strichartz estimates of linear wave equation, we prove the global well - posedness of the self - similar solution of the wave equation with general nonlinear term

    > s 。時,分別稱h 『 , hs ) p , h 『為對應於三類方程的次臨界空間,反之則為超臨界空間.取自相似解初始條件的一個特例tl 。
  14. First in section 1 we obtain the estimate of holder norm in time direction about the system of elliptic equation and elliptic equations by difference method and the result will be used in chapter 2

    首先,在第一節中我們對橢圓型方程問題和橢圓型方程組問題運用差分方法得到時間方向上的h ( ? ) lder模估計,其結果將用在第二章。
  15. The long - time decay behavior of solutions of one dimensional 4th - order degenerate parabolic equation is studied by using the entropy function and energy estimate method

    摘要利用熵函數並結合能量估計,研究了一維四階退化拋物方程解隨時間衰減的行為。
  16. The regression equation to estimate the cloud shortwave radiative forcing was established, the result can be used to estimate the cloud shortwave radiation forcing, thus remedying the shortage of radiation data. the surface global radiative flux which occurs for clear skies was computed by using modtran3 model and sounding data and that which actually occurs with cloudiness was from the routine data

    利用中解析度輻射計算模式modtran3和站點的探空資料以及地面資料,計算出無雲情況下的地面總輻射,再與實際情況下的實測地面總輻射結合得出雲對太陽輻射的強迫,分析了短波雲輻射強迫和實測地面凈輻射的關系。
  17. In the study of the lagrange stability of impact motion, we give some conditions of the bouncing solution of the asymptotically linear equation which is bounded or unbounded. outside of a large disc, using the symplectic transformation of the hamilton system to estimate the iteration of the successor map. applying the moser ' s small twist theorem, we get the invariant curves and then give the proof of the bouncing solutions which is bounded

    在碰撞運動的lagrange穩定性的討論中,給出了漸近線性方程碰撞解有界或無界的條件,在充分大的圓盤外,通過hamilton系統的辛坐標變換的角度平均來估計后繼映射的迭代,應用moser小扭轉定理得到不變曲線從而給出在一定條件下碰撞解有界的證明,碰撞解無界性的證明將採用直接估計后繼映射的方法給出。
  18. 2. with the method of multiple point regression, a general formula was established to estimate the annual precipitation at different elevation. rr = 1056. 9 + luhzr in the equation : r x is the increasing rate of annual precipitation, and unit is mm / m

    根據多點回歸建立起估算區境任一海拔高度年降水量的通式: rz = 1056 . 9 + r hz r式中: r為需要計算點年降水量的垂直遞增率,單位為mm / m 。
  19. Because the dependent variable in the models is the share of consumption of food, and the models are equation of demand system, therefore, zellner s seemingly unrelated regression method is applied to estimate the models

    因為在模型中作為因變量的是食物的消費份額,同時模型是需求系統方程,因而,採用近乎非相關的系統迭代回歸法進行模型估計。
  20. Based on unified strength theory, the boundary line equation of surrounding rock mass plastic zone under non - uniform stress field was deduced, and it can be used to pre - estimate the dimensions and shapes of underground tunnel ' s plastic zone with different coefficients of horizontal pressure

    摘要基於統一強度理論,推導出非均勻應力場的巷道圍巖塑性區邊界線方程式,可用於預測不同側壓系數時地下深埋隧洞的塑性區大小及形狀。
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