時域矩陣法 的英文怎麼說
中文拼音 [shíyùjǔzhènfǎ]
時域矩陣法
英文
time domain matrix method- 時 : 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...
- 域 : 名詞(在一定疆界內的地方; 疆域) land within certain boundaries; territory; region
- 矩 : 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
- 陣 : 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...
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
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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,在時間上採用三角型時間基函數、利用阻抗元素的精確演算法計算出阻抗矩陣,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時域積分方程,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。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、時延控制、虛擬局域網和生成樹演算法等概念以及交換機的交換矩陣和共享存儲器等關鍵技術。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-時間域中互強度的傳輸理論和bcp矩陣處理方法,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。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為奇函數時, hebb法則下存儲樣本集x的對稱性s _ x 、網路對稱性s _ h以及連接矩陣對稱性s _ w三者之間滿足s _ x = s _ w = s _ h的關系;同時,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(能量和吸引域大小)相同;兩個等距網路h和h 1 = g ? h , ( ? ) g (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
用矩量法計算了幾個信號同時照射時對稱陣子均勻直線陣的電流分佈,用直接數據域演算法推導了此接收陣列的恢復期望信號的表達式,舉例說明了互耦對陣列天線性能的影響,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。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域,通過變換域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;引入與時間有關的基本解,解除了時域邊界元系統方程組形成階段的時間順序依賴性,通過矩陣向量運算的分佈并行處理實現方程組時間步進求解方法的并行化,這種方法是一種部分時間并行演算法。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,利用結構矩陣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矩陣,包括橡膠隔震層單元和帶剛域構件單元;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時程分析,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。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,基於指數矩陣計算、 pade逼近理論,在時域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;通過矩陣變換,利用矩陣對稱性、子結構等方法改進精細積分計算效率。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、判斷矩陣的構造等問題,實現了層次分析法時領域知識的利用及粗糙集對層次結構問題的決策支持。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矩陣;然後,計算傳遞矩陣的頻率響應;最後,採用頻域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 -傳遞函數與墻體瞬時傳熱的理論超越s -傳遞函數完全等價。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
在線性時不變的假設下,提出利用頻域傳輸矩陣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域傳輸矩陣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。Analyzed the signal of 3 - d spatio - temporal sampling in spatio - temporal domain and frequency domain, according as the base principle of sampling, adopted more - dots - marked method, gained random spatio - temporal sampling matrix of digital video signal, it proved that arithmetic is accurate and efficiency
在時空域和頻域上分析三維采樣的數字視頻流信號,以采樣矩陣方法為依據,採用多點標定方法,得到任意數字視頻流的時空采樣矩陣。計算機模擬實驗證明了該方法的正確性和可行性。On the other hand, as to the time domain methods, based on lyapunov - krasovskii function method, riccati equation method, linear matrix inequality technique, along with the skills of equality and inequality transformations, the robust stabilization and robust h control problems are studied via state feedback for some kinds of uncertain time - delay systems, and delay - independent as well as delay - dependent results are obtained
時域方法方面基於lyapunov - krasovskii泛函方法、 riccati方程方法、線性矩陣不等式( lmi )技術,以及代數等式、不等式變換技巧等主要處理手段,通過狀態反饋分別研究了不確定時滯系統的魯棒鎮定及魯棒h控制問題,得到了時滯無關和時滯依賴兩種不同結果。Abstract : in this paper ? for real marine underwater noise data by using synchronous acquisition of points ? inputs - output covariance matrix is obtained by filtering ? compensating delay and crosscorrelation. then the contribution of inputs to output in network sense and partial coherence as well as other useful quantities are calculated from the inputs - output covariance matrix
文摘:本文對多點同步測量方法記錄的艦艇噪聲數據,採取在時域上作濾波、時延補償和互相關得到輸入輸出協方差矩陣,然後從輸入輸出協方差矩陣計算在網路意義和偏相干意義下輸入對輸出的貢獻以及其它有用的量。First, every form of tdie is described in detail. the general implementation of time - domain integral equation solver is presented. the details that relate to the method of moments ( mom ) used to solve the tdie are discussed
首先,本文分別詳細推導了研究金屬目標、介質目標與金屬非金屬組合目標散射的時域積分方程的各種形式,對矩量法( mom )求解時域積分方程所涉及的細節進行了分析,並介紹了求解矩陣方程的數值演算法。In spatial domain, according to the characteristics of hvs ( human visual system ), we introduce several approachs based on images " deviation, images " flatness measurement, fuzzy classification, and an approach based on difference matrix as well
在空間域內,利用人的視覺特性,我們提出了基於圖象方差、圖象平坦測度、模糊分類的隱藏演算法,同時提出了基於差值矩陣的信息隱藏。According to the feature of the human vision, we present the hiding methods based on image variance, image flatness measurement and fuzzy classification, respectively. and the techniques based on relationship between pixels, difference matrix and cryptography are also given. two hiding methods, backup hiding and camouflage hiding, are proposed too
在空間域內,利用人的視覺特性,本文提出了基於圖象方差、圖象平坦測度和基於模糊分類的隱藏演算法,同時提出了基於關系、基於差值矩陣和基於密碼演算法的隱藏方法,並提出了備份隱藏和偽裝隱藏兩種隱藏方案。A contrast function has been built using orthogonalization time - delayed correlation matrices in time domain. the separation algorithm has been obtained by minimizing it with the frobenius norm
在時域,運用同時正交化多延時相關矩陣建立對比函數,用frobenius范數最小化對比函數得分離演算法。In this thesis, applications of several new algorithms of fdtd and mom ( method of moment ) in waveguide slot antenna array are studied
本文主要研究了時域有限差分法( fdtd )的幾種新技術以及矩量法在波導縫隙陣中的應用。Time domain matrix method
時域矩陣法分享友人