點陣函數 的英文怎麼說

中文拼音 [diǎnzhènhánshǔ]
點陣函數 英文
lattice function
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  • 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...
  • 函 : 名詞1. [書面語] （匣; 封套） case; envelope 2. （信件） letter 3. （姓氏） a surname
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
  1. Finite point matrix method based on cosine spline

    基於餘弦樣條函數的有限點陣法
  2. Abstract : the effect of correction of self - consistent potential on electronic structure in simple cubic nanocrystal particles is calculated by means of the green ' s function method in the tight - binding approximation, taking only the nearest neighbor matrix elements into account. the numerical results show that the electronic energy spectrum is shifted, the chemical potential is not equal to the atomic energy level, the electronic density at each lattice point is changed, and the variation of electronic density at surface lattice point is the largest

    文摘:在緊束縛近似下，只計及最近鄰的矩陣元，採用格林函數計算了自洽勢修正對簡立方納米晶體顆粒的電子結構的影響，發現電子能譜發生了移動，化學勢不等於格點原子能級，各格點的電子密度也發生了變化，其中以表面格點的電子密度變化最大。
  3. For the given sample points, and matrix formed by covariance function with sample points as parameters, when the number of sample points approaches infinite, it is proven that this matrix spectrum will approach the spectral approach theorem for positive - definite kernel of integral equation

    對給定的樣本點，由樣本點為變量的協方差函數構成的矩陣，當樣本點個數趨于無窮大時，證明此矩陣譜逼近於積分方程正定核的譜逼近定理。
  4. It exploits the structured of the hessian matrix of the objective function sufficiently. an attractive property of the structured bfgs method is its local superlinear / quadratic convergence property for the nonzero / zero residual problems. the local convergence of the structured bfgs method has been well established

    它們充分利用了目標函數的hesse矩陣的結構以提高演算法的效率，該演算法的顯著優點是對于零殘量問題具有二階收斂性而對于非零殘量問題具有超線性收斂性。
  5. 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 （
  6. Based on the output - voltage error function, a novel time discrete modulation technique is proposed for matrix converters ( mcs ) and time - discrete difference equations of a mc circuit are derived

    摘要針對矩陣變換器調制方式的特點，提出了基於輸出電壓誤差函數分析的矩陣變換器離散調制技術，推導了基於時間離散和差分原理的電路方程。
  7. Point to above problems, under the financial support of the national natural science foundation ( exploration of high tech and new concept and new conceive ), the excellent young teachers program of ministry of education and national excellent doctoral dissertation special foundation, the static and dynamic real - time computation of elasticity - plastic mechanics, solving method of fuzzy finite element and other problems were studied in this paper. and some achievement was gained as following : ( 1 ) based on the positive definiteness of system stiffness matrix of finite element that was modified and the form of potential energy function of elastic body, the linear system of saturation mode ( lssm ) was introduced into the neural computation of finite element, by which the no - error solving of finite element neural net computation was realized in theory

    針對上述問題，在國家自然科學基金（高技術新概念新構思探索） 、教育部優秀青年教師資助計劃、高等學校全國100篇優秀博士學位論文作者專項基金等的資助下，本文對彈塑性力學問題的動靜態的實時計算、模糊有限元的求解方法等問題進行了系統和深入的研究，取得了以下成果： （ 1 ）根據有限元總剛矩陣經修正後具有正定性的特點以及彈性體勢能函數的具體形式，將飽和模式的線性系統（簡稱為lssm系統）引入到有限元的神經網路計算中，在理論上實現了有限元神經網路計算的無誤差求解。
  8. The numerical example shows that if we use the correct guess integral, this method will give right answer. it has good performance for both p - version and hybrid stress fem. last, a hybrid stress finite element with second stress completion is presented, which keeps the virtue of normal hybrid finite element, especially good for incompressble material, because it can avoid the self lock of displacement and instability of stress results

    第一部分還首次提出了一個滿足二次應力完備的雜交應力單元，它的應力滿足二次應力完備，而且通過巧妙的應力插值函數，避免了一般雜交應力元的矩陣求逆過程，而通常這個求逆過程都是很耗時的，這個二次應力完備雜交元保持了一般雜交元的優點，對于不可壓縮問題具有較好的性能。
  9. The closed - loop transfer function matrix of such a system must be singular and an input controls two outputs in the system, so the closed - loop transfer function should be assumed a singular matrix whose elements are the fist - order inertia components, then the controller is designed. the control algorithm of closed - loop gain shaping is applied to the rudder roll damping system ( rrd )

    考慮到此系統的閉環傳遞函數陣一定是奇異的，以及具有一個輸入控制兩個輸出的特點，在保證其中一個輸出盡量小而另一個輸出跟蹤輸入的前提下，將閉環傳遞函數陣即補靈敏度函數設為具有一階慣性的奇異陣，設計出控制器。
  10. Abstract : in this paper, the characteristics of production system have been analyzed and the production economic functions have been set up in mine. the matrix of two - dimension alternately action is analyzed for mining process and factor in open - pit mine. it is made algorithm for matrix of two - dimension alternately action. under the conditions of binding, mine system is optimum running by optimal program, optimal coordination and optimal control

    文摘:分析了礦山生產系統的特點，建立了礦山生產經濟函數，對露天礦生產工藝、生產因素進行了二元交互作用矩陣分析，提出了求解二元交互作用矩陣的演算法，通過最優計劃、最優協調、最優控制使礦山生產系統在一定約束條件下最佳運轉。
  11. Spline curves defined in the space constructed by polynomial and hyperbolic functions are studied in this paper. the main research contents and achievements are as follow : firstly, we generate the cardinal extended complete chebychevian ( ect ) - systems on the space constructed by polynomial and hyperbolic functions, then introduce the algebraic - hyperbolic b - spline space and identify the dimension law and zero properties. the existence of a basis of splines with minimal compact supports is demonstrated, and functions named non - uniform algebraic - hyperbolic b - splines are obtained by solving certain linear equations with a block matrix

    本文主要研究定義在多項式和雙曲函數構成的空間上的樣條曲線，其內容和完成結果如下:一、生成由多項式和雙曲函數構成的空間上的一組典範式ect （ extendedcompletechebychevian ）組及其對偶， ，證明非均勻代數雙曲b樣條空間的維數定理和零點定理，直接通過解塊矩陣線性方程組得到具有最小緊支撐的非均勻代數雙曲b樣條函數，進而構造非均勻代數雙曲b樣條曲線，還具體給出低階的表示
  12. In the use of the recurrence definition and the matrix presentation of nurbs curve, the algorithm of curve is outlined from the correspondent algorithm of b - spline, concerning on the evaluating, derivative, integral, knots inserting and degree elevating

    利用nurbs曲線基函數的定義和nurbs曲線的矩陣表示，從b樣條的相關演算法出發，可解決nurbs曲線的求值、求導、求積演算法和nurbs曲線的節點、升階演算法等問題。
  13. The experimental system extract the low - level features of images such as hsv histogram, the texture got from coexistence matrix, color correlogram, and according to the characteristic of our image database, design the evaluation function such as the average rank ratio to evaluate and compare the performance of different integration of different features including semantic, and validate the active effect of feedback using experiment results

    該原型系統提取了hsv直方圖、共生矩陣紋理、顏色相關圖等底層特徵，同時根據圖像數據庫的特點，設計了平均位置比值等評價函數對語義特徵與底層特徵的各種結合的檢索性能進行了比較分析，並對反饋效果進行了實驗驗證。
  14. An appropriate cost function is constructed which avoids the use of the logarithm likelihood function that is lack of robust to the noise correlation, moreover, our method have many advantages such as, low complexity, suitable for coherence signals, etc

    構造適當的代價函數，避免了對數似然函數的使用，該方法對色噪聲協方差矩陣特徵值分散具有穩健性，同時具有較低的計算復雜度和適用於相關甚至相干源等優點。
  15. The electrical field integral equation ( efie ) and the rwg basis function are used. the impedance matrix is decomposed by the row, stored in distributed memory of the nodes. besides, the processors exchange messages through the mpi communication library

    採用的是電場積分方程（ efie ） ，用rwg基函數離散目標，阻抗矩陣數據按行分解，分佈存儲于各個計算節點中，通信通過mpi通信庫實現，數值結果表明了該并行程序的高效性和正確性。
  16. In succession, the theory of chirped - pulse amplifier system is given in detail, firstly, studying from designing experimental light road and optical components to theoretical analysis, we par ' tly finished the system by ourselves. about ultr a - shoft pulse with a pulse - width of 9. 8f s and output power of 650mw and band - width of about l 20nm is output from oscillator source, secondiy, the stretching capacity of single grating four - pass stretcher is measured using abcd matrix combining collins function, and the effect of relativ e parameters to the streching ratio is also simulated. thirdly, a new type of disjunctional frequency moduiating function is provided according to the gain - narrowing and gain - saturation which are appeared in the co urse of amplification, under modulating the two effects are both controlled on some e xtent, fourthiy, the effect of ase that is often ignored by people is analyzed and the resolving methods are also given

    從光路、光學元件的自行設計到理論分析計算，初步建立了一臺實驗系統；採用abcd矩陣法結合collins公式計算了四通式單光柵展寬器的展寬量，並模擬了相關參數對展寬比的影響，對實驗具有指導意義；評價了再生放大器和多通放大器的優缺點，對放大過程中通常忽略的放大自發輻射現象（ ase ）進行了分析，並提出了相應的解決方法；針對放大過程中出現的增益窄化和增益飽和現象，對輸入種子脈沖提出了一種新的分段頻率調制函數，實現了對增益窄化效應和增益飽和效應的共同抑制；提出了系統的材料（包括放大介質和光路中的普通介質）正是融合高階色散的來源。
  17. Then the solving procedures of these bies by the rwg functions based moment method are elaborated, and the method of modeling complex objects built of arbitrary line, surface and volume structures is developed. in order to solve realize antenna and circuit problems, methods of adding excitations and concentrated loadings with moment method are deceloped, and matrix pencil ( mp ) method is used to deembeded the s prameters of antennas and circuits from the computed current distribution. some numerical results of practical complex antenna and scattering problems are presented to illustrate the veracity and effectiveness of the method

    在第一部分中，首先從電磁場的基本理論出發，基於等效原理和邊界條件以統一的方法建立了用於分析金屬、介質及金屬與介質混合結構的邊界積分方程，並歸納和比較了各類積分的適用范圍和優缺點;在此基礎上，給出了使用基於rwg函數的矩量法求解各種邊界積分方程的一般過程;研究了具有任意線、面、體組成的復雜結構的電磁建模方法，並給出了各種多面連接情況下基函數和未知量的選取方法;研究了使用矩量法分析電路、天線問題時集總元件和激勵源的處理方法，並基於矩陣束方法（ matrixpencilmethod ）提取了電路和天線問題的s參數;最後通過分析一些工程中的復雜金屬天線問題和具有「金屬與介質混合結構」的散射和天線問題驗證了方法的準確性和高效性。
  18. 2. according to distribution characteristic of recipes, a recipe fuzzy cluster algorithm based on kernel - function was presented. firstly one recipe kernel - function was defined to represent recipe class, through minimizing all the distance of recipe samples to recipe class kernel, recipe samples were classed. the class number was gave out and each recipe was gave membership degrees belong to each classes

    2 、根據配方的模式分佈特點，提出了一種基於類核函數的配方模糊聚類演算法，定義一個配方類核函數來代表配方類，通過最小化所有配方樣本到配方類核距離加權和來對配方進行聚類，得到聚類數目及模糊隸屬度矩陣。
  19. The cross - correlation curves method as a traditional method is to find out the distance with the biggest snr to be the radius. the author tried a new coherence function method combined with the cross - correlation curves traditional method to confirm that the radius of the seismic array are 380m and 1500 - 1750m respectively

    作者對比了各測點對之間的噪聲和信號的相干函數並找出了信噪比最大的距離值，結合傳統的相關值曲線理論得出了蘭州臺陣內外圓的半徑分別為380m和1500 - 1750m 。
  20. Then we brought out algorithm to construct ergodic matrix according to the recursion formula ( i ) and expatiate characteristic theorems about “ ergodic matrix ” by the numbers, the difficult problem and one - way ( trapdoor ) function based on the ergodic matrix over finite field. then we put forward the concept of strong matrix based on ergodic matrix according to a problem and the algorithm of finding and constructing the strong matrix of ergodic matrix. as one - way function played an important role in cryptography, we gave a new plan to realize application pattern in cryptology

    基於單向函數在密碼學中的重要性，本文構造了基於遍歷矩陣的單向函數b = q _ 1 ~ aaq _ 2 ~ b ，並在此基礎上實現了包括密鑰管理協議、認證協議和智力撲克協議在內的五種典型的安全協議，同時就演算法的特點和攻擊特性進行了分析。
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