預解矩陣 的英文怎麼說
中文拼音 [yùjiějǔzhèn]
預解矩陣
英文
resolvent matrix-
In order to improve the efficiency of the mesh generation, we employ the transfinite interpolation method. in low speed flow ( m < 0. 05 ), the low mach will aggravate the difference between eigenvalues of the system and make the convergence sharply difficult. as for this, we use the preconditioning method to remove it
另外,我們求解的是極低馬赫數下的流場( m 0 . 05 ) ,極低的馬赫數會導致可壓流動方程十分僵硬而難以收斂,對此,我們對n - s方程進行了矩陣預處理。With this understanding, the advancing analysis method of the steady - state voltage stability integrated the continuation power flow analysis, the system jacobi matrix eigenvalue structure analysis and the correlative sensitivity analysis, provided the comprehensive and veracious informations about the steady - state voltage stability of power system under the future operating state, these informations - included the margin of stability, the weak buses, the crucial branch and the crucial generator
提出了將連續潮流演算法與系統jacobi矩陣特徵結構分解法以及相關的靈敏度方法相結合的靜態電壓穩定預測分析方法,這種方法可以提供關于系統在未來運行狀態下的靜態穩定性信息:系統穩定裕度、系統中的薄弱區域、關鍵支路與關鍵發電機。In the case of the main - lobe interference, we construct the preprocessing matrix, which cancels the main - lobe interference before adaptive beam forming. so the main - lobe aberrance is taken off. the dissertation focuses on the dbf of conformal array
特別針對主瓣內干擾情況下的寬帶自適應波束形成,通過構造圓陣預處理矩陣,消除主瓣內干擾后再作自適應波束形成,解決了主瓣畸變的問題。The cable - strut tensile structures are the self - stress equilibrium systems composed by tensional cables and struts. in this paper, the basic concept of the structures was described. the analysis methods of the structural characteristics ( statically and kinematically determinate or indeterminate ) and the geometrical stability were presented. it is indicated that the cable - strut tensile structures are in stable equilibrium with first - order infinitesimal mechanisms. the ranks of equilibrium matrix were calculated by employing the singular value decomposition, and the independent modes of inextensional mechanisms and the states of self - stress were also obtained in the same way. this paper contains some typical examples which illustrate all of the main points of the work
索桿張力結構是指由張力索和壓桿組成的、具有預應力自平衡的新穎結構體系.本文詳細闡述這種結構的基本概念和結構特徵,討論結構靜動定體系特性和幾何穩定性判定分析方法,指出索桿張力結構應具有一階無窮小機構的幾何穩定體系.文中採用奇異值分解方法計算結構平衡矩陣的秩,並計算獨立機構位移模態和自應力模態.最後,對幾種典型的索桿張力結構進行了算例分析Standard face images are formed through the above - mentioned processing. during the feature extraction, for those standard face images, regarding the between - class scatter matrix as generating matrix, we extract the algebraic features of face images through k - l transform and singular value decomposition
在人臉特徵提取過程中,對經過預處理的標準人臉圖像,以類間散布矩陣為產生矩陣,通過k - l變換降維並結合奇異值分解來提取人臉代數特徵。The kanerva ' s sparse distributed memory ( sdm ) tackles the problem of training large data patterns and extendes the storage mode of existing computer. but it ' s address array produced randomly ca n ' t reveal the distribution of patterns and it has ' t the ability of function approximation for its learning rule
Kanerva的稀疏分佈存儲( sdm )模型解決了大維數樣本的訓練問題,推廣了現有計算機的存儲方式。但其地址矩陣的隨機預置方式不能反映樣本的分佈,並且sdm的學習方式使之不能用於函數逼近及時間序列預測問題。Firstly the principles of predictive control are introduced. later, multi - variable dynamic matrix control algorithm is put in practice on the decoupling control of extruder barrel
首先介紹了預測控制的發展及現狀,接著討論了動態矩陣控制的原理,最後應用多變量動態矩陣控制策略實現了對料筒溫度的解耦控制。Specifically, according to the w - w five parameters failure theory, the fracture criterion of crack is established, and the state of crack ( open or close ) is judged by the values of the crack strain. combining the two points, the predict - model about the failure of concrete material is established. this predict - model can predict 16 failure forms, and basing the different failure form predicted after crack, the stress - strain relationship matrix of concrete material is adjusted
具體來講,根據w - w的五參數混凝土破壞理論,建立混凝土的開裂準則,根據開裂應變值來判斷裂縫是張開還是閉合,從而在兩者基礎上建立了裂縫的開裂預測模式,總共有16種開裂模式;裂后根據具體的開裂模式及殘余抗剪能力來調整混凝土的本構關系矩陣,即用等效剛度代替原有剛度,考慮到垂直於裂縫方向的剛度為零,這樣會使裂后的總剛出現病態,為此文中通過引用鬆弛系數來對出現裂縫的單元進行預處理,一方面可解決因過大的舍入誤差導致計算結果的不可信問題,另一方面就是可加速收斂。Using this method, the global stiffness matrix is established, decomposed and applied only once so as to greatly reduce the calculating work
這種簡捷計演算法在分析各種預應力工況時,只要一次性建立、分解和應用網架的總剛度矩陣,使計算工作量大為簡化。In the first part, we study three kinds of pre - conditioners - - block - triangular preconditioner, constraint preconditioner and block - diagonal preconditioner respective1y and fast iterative so1vers for indefinite 2 by 2 b1ock linear systems with zero ( 2, 2 ) block. the spectrum and form of eigenvalues of each preconditioned nlatrix are presented. all of the three kinds of preconditioned linear systems are so1ved by gmres ( 20 ) and theii efficiencies are cornpared
在第一部分中,我們研究了三種不同的預條件矩陣一塊三角預條件矩陣、約束預條件矩陣和塊對角預條件矩陣作用到2 2塊線性系統(其中右下角塊為零)以後的快速迭代解法,給出了預條件作用后系統的特徵值的譜和形式,比較了三種不同預條件作用后採用cmres ( 20 )方法求解的有效性。An on - line minimum - variance estimator was developed for thrust acceleration applied to orbit transfer using discrete - time radar measurements. the mass - flow - rate of propellant was selected as a state variant, which was estimated by employing an integral state model and ekf filter. the variation equations for measurement vector to mass - flow - rate have been established to linearize the discrete - time measurement equations. the algorithm has applied successfully to maneuver process in commanding satellite into geo - stationary orbit. the results show that the algorithm developed here can monitor and determine whether engine works well or failure precisely and quickly during orbit transfer process
飛行器軌道機動過程中,為跟蹤、定位機動目標和干預機動控制過程,需要統計處理離散的雷達觀測量實時估計推進發動機的推力,進而確定飛行器的瞬時軌道參數.本文所述演算法是該工程問題的探討和解決方案.文章建立了軌道機動過程中連續變質量運動模型和離散雷達量測模型,推進發動機的質量秒耗量作為表徵推力加速度的一個近似常量,應用擴展卡爾曼濾波對離散的雷達測量數據進行順序統計處理給出秒耗量的最小方差估計;文章詳細地推導了線性化量測模型的變分方程和觀測矩陣;模擬結果表明該演算法能快速、準確地估計推進發動機的質量秒耗量和向機動目標施加的實際推力This paper bring out design method of inverse eigenvalue problem, which adapts to general structures with linear parameters, namely coefficients of all or partial elastic component and inertial component are treated as design parameters, for given some order natural frequency and corresponding vibrating mode, all of useable designing parameters will be got through solving a linear system of equations, thereby stiffness matrix and mass matrix of actual structure are constructed. this paper also discusses existence condition and unique of results
提出了適用於具有線性參數的一般結構的逆特徵值問題的設計方法,即以系統的全部或部分的彈性元件與慣性元件的系數為設計參數,對于預先給定的若干階固有頻率及相應振型,通過求解一線性方程組即可確定全部實際可行的設計變量,從而構造出實際結構的剛度矩陣和質量矩陣,並論證了解的存在性與唯一性。On the basis of the sensitivity analysis and its related theories, the sensitivity matrix analysis approach is presented to achieve a good predictability and controllability of solutions. this approach has been demonstrated to be distinct for predicting solutions of equations in simulation experiments
在模擬電路靈敏度分析及其相關理論基礎上,本文嘗試採用靈敏度矩陣分析方法來改善一階靈敏度故障診斷方程解的可預測性和可控性。The computer program has following advantage : the solution of main blade is by iterative scheme in time domain, the kutta condition is used by explicit equal pressure condition, the jacobian matrix which can reflect the influence on the difference between the upper and lower surface at trailing edge by dipole is calculated in each iterative procedure, in order to improve the convergence of iteration
本文編制的螺旋槳非定常性能預報程序是針對主葉在時域中迭代求解的, kutta條件採用的是顯式的等壓條件,求解中為了提高迭代的收斂性,在每次迭代中都重新計算反映偶極子強度對尾緣處上下表面壓力差影響的jacobi矩陣。The other are a hybrid preconditioning strategy, in which a simple pivoting preconditioner is used in combination with the standard inverse - midpoint method and a new scheme for selecting the real point in formulating interval newton equation
使用混合預處理和優化實數向量:所謂混合預處理,就是聯合了標準中點逆矩陣預處理和中樞預處理。優化實數向量就是選擇合適的實數向量來縮小線性區間等式的解向量n ( x )所包括的范圍。As for the numericial mthods we present a method using newton iteration and lp ( lift - projection ) iteration to slove inverse real symmetric eigenvalue problems. then wo can choose any starting points, then wo can get good starting value for the purpose of the preconditioning the numerical examples show the method is efficient and available
對于數值演算法,將lp迭代和一般的newton迭代法結合起來求解含參變量的實對稱矩陣特徵值反問題, lp迭代預處理了newton迭代法的初始值,拓寬了newton迭代法初始值的選取范圍,數值例子也說明lp ? newton法具有較高的效率和實用性。Considering the features of fingerprint. i. e. the local orientation, we employ a preprocessing algorithm based on double coordinates, not based on gray level distribution
摘要本文提出了一種基於雙坐標系的指紋預處理方法,通過計算指紋圖的局部方向矩陣而非基於灰度分佈來求解灰度方向。And the procedure of solving initial prestress by equilibrium matrix theory and simplified method are elucidated. the self - stress mode of sunflower - patterned cable dome must be positive, and the mechanisms mode equals to zero. it seems like statically indeterminate structures and is geometrical stable structure
明確了葵花型索穹頂結構形態分析的具體內容;闡述了用平衡矩陣理論和簡化演算法求解索穹頂結構初始預應力的過程,指出葵花型索穹頂結構的自應力模態s 0且機構位移模態m = 0 ,相當于結構力學中的超靜定結構,同時它也是幾何穩定的結構;提出了考慮結構自重時葵花型索穹頂結構初始預應力的求解方法,這種方法求得的初始預應力更加準確。Based on the above - mentioned analysis, we use the theoretical knowledge of project management to elaborate the various possibilities to resolve the problems, and then put forward effective countermeasures, which include analyzing the competition strength of retapase in the biopharmaceutical industry ; evaluating the resources of the fdzj company and its competition strength by using the swot analysis method, collecting the market information by questionnaire survey, interview and document retrieval of domestic and internal literatures. after this, we predict the market requirement and the price of the rctapasc and propose to set up a project management team which can control the r & d, production, sales, finance and affair communicating personnel systematically
本文在深刻剖析上述問題的基礎上,運用項目管理方面的理論知識,充分闡述問題的解決方案,給予了有效的對策。其中包括:項目行業與競爭力分析,運用swot分析法評估公司資源和競爭能力,通過書面調查、訪談及查閱國內外相關文獻等方式收集市場信息,在此基礎上,進行項目的市場需求量預測,價格預測。成立集研發、生產、銷售、財務及公關人才於一身的項目團隊管理項目,並採用強矩陣結構,集合直線制與職能制的優勢,對全體員工實行股份期權激勵,使員工利益與項目形成命運共同體。The thesis demonstrates the cross - cultural conflict of china - foreign joint - venture enterprises in every stage concretely according to time order. it is based on other specialists " research results and author ' s investigation and interview. and it explains author ' s opinion with some case - study of dongfeng peugeot citroen antomobile company 1. t. d primarily
本文按照合資企業從組建到發展壯大的時間順序,結合前人的研究成果和自己的調研采訪,以神龍公司為主要案例,詳細論述了中外合資企業在每個階段面臨的跨文化沖突,探討了相應解決對策,並提出了跨文化沖突預見矩陣與綜合解決方案流程圖。分享友人