時域矩陣 的英文怎麼說

中文拼音 [shízhèn]
時域矩陣 英文
time domain matrix method
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : 名詞(在一定疆界內的地方; 疆域) land within certain boundaries; territory; region
  • : 名詞1. (畫直角或正方形、矩形用的曲尺) carpenter's square; square2. (法度; 規則) rules; regulations 3. [物理學] moment
  • : Ⅰ名詞1 (作戰隊伍的行列或組合方式) battle array [formation]: 布陣 deploy the troops in battle fo...
  • 矩陣 : [數學] matrix; array
  1. Modern control theory has arisen with the advent of high - speed digital computers and characterized by the state variable concept with emphasis on matrix algebra and with analysis and design principally in the time domain

    現代控制理論是隨著高速數字計算機的出現而產生的,主要特點是使用狀態變量的概念並強調代數和主要在進行分析和設計。
  2. Due to the importance of the accuracy of the time - domain impedance matrix elements, the techniques by which treating of the singular integrals and near singular integrals arose from the tdie - mom solving process are analyzed in detail, and these techniques are utilized to solve the tdie. in the end, using triangle patches discretizing arbitrarily 3 - d dielectric objects and metal - nonmetal composite objects surface and utilizing spatial rwg and temporal triangular bases, the tdie are solved by mot algorithm

    最後,分別對三維介質目標、金屬非金屬組合目標散射體表面用三角貼片離散,並在空間上採用rwg基函數,在間上採用三角型間基函數、利用阻抗元素的精確演算法計算出阻抗,再運用mot法分別求解了介質體目標,金屬非金屬組合目標的積分方程,並分析了金屬非金屬組合目標分界面上的等效電流與等效磁流的特性。
  3. It introduces the architecture of the switch, hol, delay control, vlan and spanning - tree algorithm, and crossbar backplane and store - and - forward technology

    介紹了線頭阻塞、延控制、虛擬局網和生成樹演算法等概念以及交換機的交換和共享存儲器等關鍵技術。
  4. Based on the propagation law of the cross - spectral density function in the space - frequency domain, the properties of polychromatic vector gsm beams through a paraxial optical abcd system are studied. the analytical propagation expressions for the cross - spectral density matrix of vector gsm beams passing through a paraxial optical abcd system are derived, which permits us to study the propagation properties of vector gsm beams, including the propagation - induced polarization changes, effect of the spectrum bandwidth and irradiance distributions in a unique way. there are some applications of the theoretical results

    基於空間一頻率中交叉譜密度函數的傳輸理論,研究了多色矢量gsm光束通過abcd光學系統傳輸偏振特性的變化規律,首次推出了矢量高斯一謝爾模刑fgsm )光束通過近軸abcd光學系統交叉譜密度的傳輸公式,並對矢量gsm光束傳輸中偏振的變化、譜寬的影響和強度的分佈等進行了統一研究。
  5. Based on the above theory and methods, the main works of this thesis are lasted as follows : starting from the propagation law of partial coherent light and beam coherence - polarization ( bcp ) matrix approach, the properties of pgsm beams through both an axis - symmetric paraxial optical abcd system and an axis - unsymmetric one are studied. the analytical propagation equations of pgsm beams are derived, which enable us to study the propagation - induced polarization changes and irradiance distributions of pgsm beams through an axis - symmetric paraxial optical abcd system and an axis - unsymmetric one

    在此基礎上,本文進行的主要工作有:基於空間-中互強度的傳輸理論和bcp處理方法,首次研究了pgsm光束通過對稱和非對稱abcd光學系統和光闌的傳輸變換特性,推導出了pgsm光束傳輸表達式,可以對pgsm光束偏振和光強的傳輸變化進行分析。
  6. Hi the aspect of symmetry analyzing to the hopfield model neural network with hebbian learning, we study on the dynamical behavior of the state space under the action of isometric transformation group g = z2 ? n, and prove the invariant property of the energy orientation ? / / " ) of the state space under the action of g. we find that the symmetry relationship of the network is sx - sw = sh when the active function of the neuron is odd, where sx is the symmetry of the patterns set x under hebbian learning rule, sh is the symmetry of the network and sw is the symmetry of the weight matrix w of the network

    ) s _ n為手段,研究了網路狀態空間在群g作用下各點的運動情況,證明了群g作用下的不變性。證明了當神經元的激活函數f為奇函數, hebb法則下存儲樣本集x的對稱性s _ x 、網路對稱性s _ h以及連接對稱性s _ w三者之間滿足s _ x = s _ w = s _ h的關系;同,我們還證明了:網路穩定態集vf同一s _ h軌道中的兩個穩定態的動力學行為(能量和吸引大小)相同;兩個等距網路h和h 1 = g ? h , ( ? ) g (
  7. To solve the problem, a kind of multi - ontology analysis framework consisted of orthogonal matrix made up of multi - dimensional ontology model and temporal model is re - searched ; and then multi - dimension knowledge warehouse based on xml topic maps is constructed, which is developed to implement the accurate and efficient storing and retrieving for knowledge of semantic level

    針對這個問題,研究了通過多維本體模型和模型的正交構建的多本體分析框架,並以此為基礎,構建了基於xml主題地圖技術的多維知識倉庫,實現了高效準確的語義級知識的存儲和檢索。
  8. Analyze the linear dipole array with uniform element spacing using the method of moments ( mom ), derive the analytical expression for the recovered signal with the direct data domain method, demonstrate the effect of the mutual coupling on the performance of the antenna array by examples, the degradation of the system caused by the mutual coupling is simulated and analyzed in two different electromagnetic environments such as the weak and strong interference

    量法計算了幾個信號同照射對稱子均勻直線的電流分佈,用直接數據演算法推導了此接收列的恢復期望信號的表達式,舉例說明了互耦對列天線性能的影響,數值模擬了在弱干擾和強干擾下,互耦造成系統性能下降的情況並分析了原因。
  9. The difference between these two algorithms is that the former uses sub - domain as the basic unit of task to be allocated and the latter uses the node - super - row as the basic unit of task. ( 6 ) the original problem is transformed into transformed domain by using laplace transform method. by the parallelization of the bem in the transformed domain, the parallelization of the elasto - dynamic be analysis is implemented by introducing the time related fimdamental solution, the time dependency is released from the formation of time - domain be equations

    ( 6 )通過拉氏積分變換法將彈性動力問題轉換至變換,通過變換上邊界元的分佈并行處理實現了彈性動力邊界元分析的并行化;引入與間有關的基本解,解除了邊界元系統方程組形成階段的間順序依賴性,通過向量運算的分佈并行處理實現方程組間步進求解方法的并行化,這種方法是一種部分間并行演算法。
  10. Some stiffness matrices of special elements such as rubber bearings and components with field are derived from primary - secondary and inverse transform in structural matrix analysis. then, seismic response analytical models and non - isolated continuous rigid frame bridges are set up, while considering the interaction of soil - pile - structure and traveling wave effect simultaneously. finally, the seismic time history response of the two models is calculated by means of the finite element method, and the results show that the isolated bridge posses powerful earthquake resistance

    首先論述了公路大跨徑橋梁的地震反應分析方法,其中包括樁-土-結構相互作用、行波效應等因素對結構物的影響;其次,利用結構分析中的主從變換和逆步變換,推演了幾個特殊單元的剛度,包括橡膠隔震層單元和帶剛構件單元;最後,考慮樁-土-結構相互作用和行波效應的結合,分別建立隔震與非隔震連續剛構橋地震反應分析模型,通過有限元法對兩種結構進行程分析,結果表明:隔震層上部結構的地震加速度反應、位移反應均明顯減小,這說明隔震的連續剛構橋具有很好的抗震能力。
  11. This paper suggests that the integral of the state equation is evaluated directly through the exponential matrix based on the pim, thus several series solutions are obtained. utilizing the symmetry of matrices and the idea of substructure, the computational precision and efficiency of the pim are improved

    本文深入研究精細積分及動力方程演算法,基於指數計算、 pade逼近理論,在上對非線性動力狀態方程直接積分求解,構建若干系統響應求解格式,並分析了演算法精度、效率;通過變換,利用對稱性、子結構等方法改進精細積分計算效率。
  12. Under the condition that the lower - layer elements and their dominating upper - layer elements are considered as the condition attributes and the decision attributes separately, the following problems are studied : refining of assessment index system, acquirement of index weight and the constructing of judgment matrix based on the reduction and the attribute importance theory in rough sets, which achieve the sufficiency use of field knowledge for analytical hierarchy process and decision support of the hierarchy problems for rough sets

    摘要將層次分析模型中下層因素與支配它的上層因素分別視為條件屬性和決策屬性,藉助粗糙集的約簡和屬性重要性理論,研究了融合粗糙集的層次分析法的指標體系的完善、指標權重的確定、判斷的構造等問題,實現了層次分析法知識的利用及粗糙集對層次結構問題的決策支持。
  13. L ) the existence of local solutions in the part of the existence of local solutions, we investigate the intial boundary value problems for the more general quasilinear system : we consider the existence of local solutions of the system ( 2 ) when it may be a cross - diffusion system and u g ( g is a open subset of rn ). in order to use the results of h. amann [ 1 ] on local existence for quasilinear systems ( 2 ), we find that the results of h. amann on the corresponding linear system were not proved completely. especially for the case of cross - diffusion systems ( 2 )

    1 )局部解存在性在局部解存在性部分,我們研究的為更一般的擬線性耦合方程組的初邊值問題:我們研究了在u g ( g是使散度型方程組( 2 )中的系數a ( x , u )的特徵值實部大於零的區散度型方程組( 2 )解的局部解存在性。在我們應用h . amann的局部解存在性理論,我們發現h . amann的關于散度型方程組( 2 )局部解存在性理論的證明並不完整。
  14. 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
  15. Firstly, wall ’ s transfer matrix is deduced by laplace transformation based on 3r2c thermal network model. secondly, frequency response of transfer matrix is calculated. thirdly, we make the frequency response of transfer matrix of stimulation model equate the theoretical frequency response of wall transient heat conduction by applying appropriate identification algorithm, from which we can obtain every polynomial ’ s coefficient of model transfer function, then each parameter of resistance and capacitance is calculated by appropriate optimization algorithm

    首先,根據模擬熱流網路模型用拉普拉斯變換推出墻體的傳遞;然後,計算傳遞的頻率響應;最後,採用頻回歸方法求出模型傳遞函數各次項的系數,進而通過一定的優化演算法確定模型的各個熱阻、熱容參數,使通過模型建立的多項式s -傳遞函數與墻體瞬傳熱的理論超越s -傳遞函數完全等價。
  16. The internal environment of the group is evaluated by using internal factor evaluation matrix, it is considered that the group has many advantages such as powerful design ability, abundant land reserves, economics of scale etc. and many disadvantages such as limited capital, lack of professional, infirm cost control ability etc. in the thesis, the orientation of scale, grade and area, target market and target client for real estate business of the group is determined on the basis of internal and external environment analyses. swot analyzing model is constructed and quantitative strategic planning matrix is used to analyze and choose the competition strategy which modern group co. may adopted. finally, the competition strategy combination of taking differential strategy as main strategy and target concentrated strategy as auxiliary strategy is determined for real estate business of the group

    再次,分析了當代集團在房地產領發展具備的基本條件,運用內部要素評價( ife )對當代集團的內部環境進行綜合評價,認為當代集團擁有設計能力強、土地儲備豐富、實現了規模經濟等優勢,同也存在資金實力有限、專業人才不足、成本控制能力不強等劣勢,論文在內外部環境分析的基礎上,對當代集團的房地產業務規模、檔次與區,目標市場及目標客戶群進行了定位分析,構建了當代集團房地產業務的swot分析模型,運用定量規劃評價( qspm )對當代集團房地產競爭戰略進行了選擇分析,確定以差異化戰略為主、重點集中戰略為輔的競爭戰略組合。
  17. The concept of otn node transmission model is introduced. the requirement of otn node transmission model is discussed. this model uses the frequency domain transmission matrix to express the otn node transport characteristics. the simplified model based on wdm and im - dd systems, the relationship between node characteristics and model parameters and measurement of model parameters are also discussed. at last a briefly discussion on how to develop the otn simulation and cad software based on our model is demonstrated

    在線性不變的假設下,提出利用頻傳輸來表示節點傳輸特性的方法給出了oxc和oadm兩類光傳送網節點的統一的表示根據目前通用的波分復用強度調制直接檢波系統的特點對復雜的頻傳輸進行了簡化並對通常所關心的節點主要性能指標與模型參數的關系模型參數的測量和計算模型的設計與計算機模擬輔助設計軟體開發的銜接問題進行了討論。
  18. Time domain matrix method

    時域矩陣
  19. Time domain matrix

    時域矩陣
  20. The integrative chilling damage index successions of 22 representative stations for 44 years were calculated. let those successions consist of a matrix. do eof to the matrix and get two meaningful eigenvector fields, and therefore two main patterns about the spatial distribution of winter chilling damage in guangdong was found : the whole distribution pattern and the south - north distribution pattern

    計算了22個代表站44年的綜合寒害指數序列,構成一個綜合寒害指數序列的,對該進行自然正交分解,獲得了2個有意義的特徵向量場,由此發現廣東冬季寒害的地分佈主要有2種型式:整體分佈型和南北分佈型。
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