constrained condition 中文意思是什麼

constrained condition 解釋
約束條件
  • constrained : adj. 被強迫的;受壓制的;不自然的,勉強的。 a constrained manner 不自然的[局促的]樣子。 a constrained smile (勉強做作的)苦笑。adv. -ly
  • condition : n 1 狀態,狀況,情形;品質。2 〈pl 〉外界狀況,周圍情形。3 地位,身分。4 條件;【語法】條件子句。...
  1. Astronomic navigation is the earliest one people used, which has the default of low precision and constrained by natural condition, weather and time

    其中天文導航是最早被人們利用的一種導航方法,但這種方法存在受自然條件、天氣、時間制約、精度低等缺點。
  2. Research on multi - photo collinear condition constrained least squares matching and its application of traffic

    附有約束條件的最小二乘影像匹配及其在交通事故中的應用
  3. It is proven that these modified dual algorithms still have the same convergence results as those of the conceptional dual algorithms in chapter 2 and chapter 3. secondly, a dual algorithm is constructed for general constrained nonlinear programming problems and the local convergence theorem is established accordingly. the condition number of modified lagrange function ' s hessian is estimated, which also depends on the penalty parameter

    證明這些修正的對偶演算法仍具有同前兩章的概念性對偶演算法相同的收斂性結果,我們還進一步構造了一般約束非線性規劃問題的對偶演算法,建立了相應的局部收斂理論,最後估計了修正lagrange函數的hesse陣的條件數,它同樣依賴于罰參數。
  4. Section 3 and section 4 are the main parts of the paper. by employing the directional derivative and generalized gradient in the broad sense, as defined in this paper, the first order necessary condition and the first order sufficient condition of the single - objective non - smooth programming where the objective function is d - regular weak lipschitz function and constrained functions are regular weak lipschitz functions

    第三節和第四節是本文的主要章節,以本文定義的廣義方向導數和廣義梯度為分析工具,對目標函數為d正則弱l函數,約束函數為正則弱l函數的單目標非光滑規劃分別給出了一階必要條件和一階充分條件。
  5. However, the condition action queries are further constrained by the specified database user

    不過,條件操作查詢被指定的數據庫用戶進一步約束。
  6. Based on the field investigation of relationship between peasant family economy and flood disaster in dongting lake area, hunan province and the socioeconomic statistics from administrative departments and insurance companies, an analysis of family and land economy behavior shows that the fight of family against the flood is mainly constrained by its economic ability. on the one hand, land sustains the pressure from increasing family income, and on the other hand, it sustains the pressure from providing water with some space. therefore, under the condition of providing water with space to full, increasing the economic output rate of per capita land, then increasing the family economic income is of significance to solving the problem of peasant family economy and flood disaster

    通過對湖南省洞庭湖區家戶經濟與洪澇災害關系展開的野外調查,和從行政門部與保險公司獲得的有關社會經濟統計資料.案例資料,進行了農戶經濟行為與土地經濟行為的分析.結果表明.家戶對洪澇災害的抵禦能力主要受其經濟能力的制約,土地一方面受到來自增加家戶收入的壓力,另一方面受到來自必須給水以一定空間的壓力,所以在盡量滿足給水以一定空間的基礎上,努力提高單位土地的產出率,從而提高家戶的經濟收入,對這一湖區的農民家庭經濟與洪澇災害問題的解決具有重要意義
  7. Relative key concept and technique of this method was described in detail in this paper, such as the decomposition of balance matrix, the modes of self - stress, the modes of inextensional mechanisms, the analysis model of optimization under linear constrained condition, the integration of constrained matrix

    文中對桁架理論的奇異值分解法、自應力模態、機構位移模態、有約束線性優化數學模型、約束矩陣集成等關鍵概念和技術進行了詳細的推導說明。
  8. The comparison study of the three belts indicates although they are distinct from each other all the three belts show many common features in the aspect of the metallogeny of large - rich vein uranium deposits, i. e : the important metallogenic areas are located above the old crystalline basement ; the paleo - rifting ( taphrogeny ) controls the development of the volcanic belt and at the same time it is favourable metallogenic tectonic environment ; the occurrence of uranium deposit does not depend on the lithology of volcanic rocks ; uranium metallogeny is obviously constrained by deep geologic processes and the connected fault - structural net is the necessary condition for the formation of large - rich uranium deposits

    對比研究表明,雖然它們各具特色,就脈型富大鈾礦床成礦作用而言,它們又具有較多的共性:重要成礦區的火山噴發皆奠基在古老的結晶基底上;古裂谷(或裂陷)既控制了火山巖帶的發育,又是有利的成礦構造背景;鈾礦賦存對火山巖的巖性沒有明顯的選擇性;鈾成礦的深部控製作用明顯;聯通的構造網路系統是形成富大鈾礦的必要條件。
  9. The heuristic analysis, some concepts and theorems of constrained optimization are employed, e. g., linear feasible direction ( lfd ), and then the proof is first provided for the uniqueness, i. e., maximum nongaussianity is the sufficient and necessary condition to independent source recovery. moreover, based on the conclusion of the uniqueness of maximum nongaussianity, the paper also proposes an alternative but straightforward approach to the proof for the well known “ one - bit - matching ” conjecture presented in multi - unit approaches

    和基於啟發性分析等傳統方法和結論比較,文中引入了線性化可行方向( linearfeasibledirection , lfd )等約束優化概念和理論,首次給出了基於峭度的最大非高斯估計的唯一性證明,指出最大非高斯估計是獨立源提取的充分和必要條件。
  10. 3 a novel recursive least - square ( rls ) blind space - time receiver algorithm based on the constrained condition, which can completely avoid the matrix inversion introduced into by constraints ( comparing with the normal rls ), is proposed for multi - path slow fading cdma channels. the computational complexity of this method is not only lower than that of the normal rls, but also lower than that of both lms and ls blind space - time receiver methods that are realized based on the rosen ' s gradient projection. and the speed of convergence of the presented rls blind space - time receiver algorithm is better than that of both lms and ls blind space - time receiver methods

    3 、針對多徑慢衰落通道下ds - cdma盲空時接收機中線性約束二次規劃問題提出一種新的遞歸最小二乘演算法,該演算法完全避免因約束而引進的矩陣求逆運算(相對于常規的遞歸最小二乘演算法) ,不但運算量比常規的要低,而且比基於rosen梯度投影實現的最小均方( lms )與最小二乘盲空時接收機演算法還低,且收斂速度比基於rosen梯度投影實現的最小均方( lms )與最小二乘盲空時多用戶檢測都好,將提出的新的遞歸最小二乘演算法與提出的數據選擇方案結合起來可以進一步降低其運算量,具有很大的實用價值,最後通過模擬實驗進一步分析了其性能。
  11. This paper effectively deals with water inflow for excavated and cast - in - place pile under water with the constrained condition and strata of large water content during the course of forming hole and casting pile by using triple tubes directional jet as waterproof curtain, to decrease the compression for river channel, and ensure safety and quality in the phase of construction

    摘要針對水中施工挖孔樁,條件受到限制、地層中含水量較大,為盡可能避免造成對河道的佔用與影響,採用三重管定噴技術做止水帷幕,有效地解決了成孔成樁過程中涌水等問題,保證了工程施工的安全與質量。
  12. 4. choosing the reasonable deflection curve function. according to the energy method and the constrained condition of column end of the steel arch gate, the article presents a practical calculating formula for the stability of the main frame structure of the steel arch gate

    選擇合理的撓曲線函數(試解函數) ,根據能量法及弧門柱端約束條件,提出弧形鋼閘門主框架(平面鋼框架)穩定性計算的實用解析計算公式,並根據影響弧門主框架穩定性的因素對該公式進行修正。
  13. Our method is based on non - linear convolution model and uses artificial nervous net algorithm and simulated annealing algorithm, introducing the acoustic impedance as condition of constrained solution to avoid the hypothesis of wavelet or reflection coefficient in common seismic inversion, and adopting the control of fine seismic interpretation model in extrapolation

    反演方法以非線性褶積模型為基礎,引入井旁聲阻抗作為解的適定性的約束條件,避開一般地震反演對地震子波及反射系數的假設。反演外推採用精細地震解釋模型控制。演算法上,引用人工神經網路和模擬退火演算法。
  14. Hence, a robust and efficient constraint solving system that supports under - / over - constrained condition is crucial to the network - centric cad system

    因此高效、魯棒和支持欠約束的約束求解系統對于基於網路的cad系統就至關重要。
  15. Comprehensive well and geological constrained seismic inversion - comprehensive constrained inversion ( cci ), is based on nonlinear inversion techniques. it makes full use of detailed vertical resolution of well data and horizontal dense sampling of seismic data. according to geological theory, it inverts lithological profile in multi - wells and complex geological condition. at present, there are no perfect mathematical methods to solve nonlinear equations

    地震資料與測井資料的綜合約束反演是在非線性反演的基礎上,充分利用測井資料詳細的垂直分辨能力和地震資料地面上采樣點密集均勻分佈的特點,把這兩種資料結合起來,取長補短,以地質理論為依據,針對多井及構造復雜的地質條件,反演出井以外的巖性剖面。
  16. At the same time, constrained by geologic condition and engineering practice, many pipelines have been buried in soft soil

    同時,受地理條件和工程實際的限制,許多管道都敷設在軟土地基中。
  17. Motivated by the above results, the third part of this paper considers the equivalence problems that every stationary point or kuhn - tucker point is an efficient solution. we define i - quasi - invex vector function., i - strictly quasi - invex vector function and kt - i - strictly quasi invex vector function, and derive the above equivalent condition for unconstrained or constrained multiobjective programming

    於是,在本文的第三部分,我們定義了類不變擬凸、類嚴格不變擬凸、 kt -類嚴格不變擬凸的向量值函數,並且在無約束或約束多目標規劃中,獲得了每個駐點(或k - t點)是有效解的等價條件。
  18. A new method was given out in this paper, which is based on the singular value decomposition of the balance matrix of truss, followed by the method of optimization under linear constrained condition. an analysis program for this method was developed. the rightness o f t his method w as proven by the analysis and verify of engineering example

    本文從桁架理論的奇異值分解出發,結合有約束線性優化方法,提出了解決這一問題的另一途徑,編制了相應的分析程序,經過算例分析與驗證,證明了該方法的正確性。
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