間斷函數 的英文怎麼說

中文拼音 [jiānduànhánshǔ]
間斷函數 英文
discontinuous function
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 斷 : Ⅰ動詞1 （分成段） break; snap 2 （斷絕;隔斷） break off; cut off; stop 3 （戒除） give up; abstai...
  • 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
  • 間斷 : be disconnected; be interrupted; interval; leapfrogging; disjunction; break hiatus; hiatus; inter...
  • 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. For a class of quadratic finite element diseretization systems of an elliptic boundary problem with jump coefficients under the unstructured quadrilateral grids, we are concerned with two kinds of quadratic lagrangian finite element equations, by analyzing the relationship between the linear finite element and quadratic finite element basis functions, a hew amg method is designed

    摘要針對一類帶間斷系數的橢圓邊值問題，在非結構四邊形剖分下，討論了兩種二次拉格朗日有限元方程的代數多重網格法，通過利用雙線性元和二次元基函數之間的表示關系，給出了一種新的網格粗化演算法和構造提升運算元的代數途徑。
  2. And finally, with hllc and lax - friedrichs type approximate riemann solver for discretising conservative equations and a nonconservative equation, a simple accurate and fully eulerian numerical method is presented. compared with the numerical results of hll scheme, the hllc scheme has a high resolution for shock waves and avoiding the nonphysical oscillation of the hll scheme

    最後用lax ? friedrichs格式及hllc格式作為通量函數對守恆一維euler型方程組進行了離散，並將數值模擬結果和saurel的hll格式模擬結果進行了比較，發現：在兩相流數值模擬過程中，相對來說hllc格式對激波的解析度最高，結果最穩定，避免了hll格式在間斷處的非物理性數值振蕩。
  3. The unknown displacement field is approximated by discontinuous, piecewisely differentiable functions

    用間斷分片可微的函數來近似未知位移場。
  4. The source time function directivity is in accordance with the p waveform directivity, clearly showing that the nodal plane of strike 199 is the fault plane and that the earthquake ruptured unilaterally from the northeast to the southwest

    震源時間函數的這種方向性效應與p波的方向性效應相一致，清楚地表明：走向為199的節面為斷層面，地震是從東北向西南方向單側破裂的。
  5. In the chapter 4, it primarily stats large numbers of original data and obtains the probability distributing functions of each assessment factor by means of pearson x2 goodness of fit test. and then it establishes the distributing sections of the error of each assessment factor. meanwhile it expatiates the criteria of simulator coach ' s subjective judgments

    第四章主要對大量的原始數據進行統計分析，採用peanonx 『擬合檢驗方法，獲得了各評估要素的概率分佈函數，繼而分別確定了各評估要素的誤差分佈區間，同時也對教練員的主觀判斷標準進行了闡述。
  6. ( 1 ) the posterior distribution of the coefficient matrix, the precision matrix and covariance matrix, and their bayesian estimation under the matrix normal - wishart conjugate prior distribution. ( 2 ) the deduction of the predictive distribution, proved to be matrix t distribution. ( 3 ) the designs of bayesian multivariate mean value control charts in terms of the relationship between the multivariate wishart distribution and x2 distribution, the bayesian process capability index and its confidence lower limi

    通過多方程模型系統的統計結構，證明了矩陣正態? wishart先驗分佈是模型參數（ ， ）的共軛先驗分佈，研究了該先驗分佈下模型系數矩陣、精度陣和協方差陣的后驗分佈及其貝葉斯估計，對模型預報密度函數進行了嚴格的數學推導，並將其應用於多元質量控制領域，構造了貝葉斯均值向量聯合控制圖；結合wishart分佈與x ~ 2分佈之間的關系，設計與推斷了貝葉斯多指標過程能力指數及其貝葉斯置信下限。
  7. Discontinuous parameter function ' s identification problem is defined as given a series of data, to find a discontinuous function that fits the data weil

    間斷參函數識別問題指的是根據給定的數據識別帶有間斷性的函數。以別這樣的函數有著本質上的困難。
  8. In this thesis, some key issues of the vr technique are systematically investigated. firstly, for the image filters and image interpolation between slices, a integrated interpolation algorithm is presented based on the contour shape and correspondence matching, which keeps the shapes and grays information the objects of interest. secondly, the fidelity of effect of the vr for medical images is studied, and a continuous - gradient - based method for transparent volume rendering is proposed, which vivifies the results of volume rendering

    首先，研究了醫學斷層圖像數據的濾波及層間插值技術，提出了一種基於輪廓形變和對應點匹配相結合的混合插值演算法，在實現圖像層間插值的同時保持了目標的輪廓形狀與灰度信息；其次，對醫學影像容積重建效果的逼真度進行了研究，提出了一種基於連續梯度轉換函數的互動式透明體繪制方法，使重建效果更加生動、真實。
  9. In connection with the difference and distribution characteristic of the samples in sample space rs based on dga, a new self - adapted weight fuzzy omean clustering model of fault diagnosis of the power transformer based on the potential function is proposed. meanwhile, from the aspect of geometry characteristic of fc - divided in s dimension sample space, a method is proposed for the purpose of getting an effective adjacent radius, adaptive cluster number c and original cluster center of x sample set. for the diagnosis sample x, the property measure and diagnosis rule are proposed, which under the condition of potential density function that determine c number of optimal fuzzy cluster p1

    根據以變壓器dga數據為特徵量的樣本空間各樣本差異特性以及樣本在空間r ~ s的分佈特性，首次提出了基於勢函數自適應加權的變壓器絕緣故障診斷的模糊c -均值聚類模型；同時，從s維樣本空間的f ~ c -劃分幾何特性出發，提出了一種求取樣本集的類勢有效鄰域半徑和自適應求取聚類數和聚類中心初值的方法；對一個待診斷樣本，設計了基於類勢密度函數意義下的屬性測度和診斷準則。
  10. I. a mtil ( iaxial elastic - plastic hardening - sofling constitutive model of concrete is proposed iii order to offer a nonlinear material model of concrete for space restoring force analysis of reinforced concrete members taking into account the softening behavior of concrete. the concrete material model is incorporated the elastic - plastic hardening fracturing constitutive model of concrete with the plastic - fracturing theory of concrete, modified without defining two loading functiomis, and based on five parameter power function failure criterion proposed by guo zheng - hai etc from tsingliua ( jniversity, or three parameter unified strength theory proposed by yu mao - hong from x ian iiaotong university

    1 、將砼彈塑性硬化斷裂本構模型與塑性斷裂理論結合起來，並加以改進，但無需定義兩個加載面，以清華大學過鎮海建議的五參數冪函數或以西安交通大學俞茂宏建議的，參數統一強度理論作為砼的強度破壞準則，建立了砼多軸彈塑性硬化松馳本構模型，能為鋼筋砼構件空間恢復力分析提供砼非線性材料模型，並能反映砼材料的軟化段。
  11. Based on the fundamental solution of two perfectly bonded elastic halfspaces, and using the boundary integral equation method and the finite - part integral concepts, the problem is reduced to a hypersingular integral equation in which the unknown function is the crack opening displacement discontinuity

    首先根據雙材料空間的彈性力學基本解，使用邊界積分方程方法，在有限部積分的意義下導出了以裂紋面位移間斷為未知函數的超奇異積分方程。
  12. This thesis chooses b spline wavelet that adapts to the analysis of power system signal, and uses the wavelet transformer to analyze the magnetizing inrush current and inner fault current. a transformer microcomputer protection was designed in this thesis, and in the base of intermission angle principle, a new criterion was established, which pierces through the traditional method with accurate measurement of intermission angle, but analyses the wave by wavelet transform. this criterion is lower in hardware, so it will be realized in the existing hardware

    本文選擇適合電力系統信號分析的b樣條函數作為母小波，對勵磁涌流和內部故障電流進行小波分析，並設計微機型變壓器保護基本配置，在以往間斷角原理鑒別勵磁涌流的基礎上，突破傳統精確測量勵磁涌流間斷角的方法，直接對信號小波變換后的波形進行分析，建立一個新的鑒別勵磁涌流判據，該判據對硬體要求不高，可以在現有一般硬體平臺上實現；並編寫以b樣條函數為母小波的小波變換判據演算法程序。
  13. The present dissertation discusses two issues in the laser plasma interaction. in the first part, we introduce the basic concepts about laser plasma interaction and simulation, and give the simulation results concerning the influence on the propagation of the laser pulse in plasma, exerted by the spatial modulation on the surface of the preformed plasma

    第一部分簡單介紹了激光等離子體相互作用物理與模擬的一些基本情況和基本概念，並模擬研究了靶表面等離子體的空間調制對激光傳播的影響，分析了等離子體溫度診斷問題及激光等離子體相互作用過程中粒子分佈函數的特徵。
  14. The kinematic performance of the macpherson suspension on a real vehicle is studied, and the changes of the front wheel alignment and the motion of the front wheel in the longitudinal and the transversal directions are figured. based on the requirements of general layout, a constrained optimization design model is set up with the steering cross rod ball joint position as the optimization variables ( design parameters ), and the sum of steering cross rod length interference while the left front wheel turning and bouncing as the objective function. and the optimization results are worked out by programming on computer

    針對一種實際車型上的麥弗遜式懸架，計算分析了轉向輪跳動時前輪定位角和車輪橫向、縱向滑移量的變化情況，並根據實際車型上麥弗遜式懸架的空間布置要求，建立了以轉向橫拉桿斷開點空間位置坐標為優化變量，轉向橫拉桿斷開點空間布置坐標可變化范圍為約束條件，車輪轉向和跳動時轉向橫拉桿長度干涉量為目標函數的約束優化設計模型。
  15. In the numerical calculation, the unknown function is approximated by the product of basic density function and polynomials

    根據裂紋面上位移函數的分佈特性，通過將位移間斷函數表示為特徵函數和一組多項式乘積的形式，為其建立了數值方法。
  16. Abstract : the relation between material strength, toughmess and other physical parameters was inferred by means of dislocation theory and statistical theory on fracture, and a comparison was made between the inferred calculation result and theexperiment value

    文摘:利用位錯理論和斷裂統計理論推導出強度和韌性與其它物理量之間的函數關系，並將推導的計算結果與實驗值進行了比較。
  17. According to the relationship between material fatigue performance curve and concerned parameters in fracture mechanics, the relationship between fatigue life and crack half length is obtained, that is equivalent crack length of fatigue life. the function relationships between these two aspects are constructed. the experiment data show that this method can express the same character of fatigue life of all kinds of materials and experiment data acquired from different materials can be used each other

    通過材料力學疲勞性能曲線和斷裂力學之間有關參量間的演變關系，得到了疲勞壽命與裂紋半長的關系，即疲勞壽命的折算裂紋長度，建立了兩者之間的函數關系並利用這個函數關系說明了疲勞壽命的切線模量因子法，能反映各種材料疲勞壽命的共同變化規律，試驗數據可在不同材料之間互相參考使用，具有重大意義。
  18. The first, the achievement of dirichlet series in the right half - plane and in the complex plane for a few years are related. on the base of this, when the general exponential condition holds, and under the condition of lim = 1, i study infinite order dirichlet series in the right half - plane and in the complex plane, and obtain the relations between the order of growth of dirichlet series and conffieients. the second, we study the factorization of entire function in the condition of composition of functions, and obtain the necessary conditions of some pseudo - prime or e - pseudo - prime functions

    本文分兩部分，第一部分就右半平面上的dirichlet級數和全平面上的dirichlet級數這兩方面對近年來的研究成果作了簡單的敘述，在此基礎上，作者在一般的指數條件與（ ? ）情形下，對右半平面上和全平面上的無限級dirichlet級數作了系統研究，獲得dirichlet級數的系數與增長性之間關系的一些新結論。第二部分研究整函數的因子分解，得到判斷函數為擬素的或e ?擬素的一些必要條件。
  19. By using the inner boundary conditions, a kind of boundary value problem of three dimensional partial differential equations with discontinuous coefficients is transformed into a variational and functional one so that a difficult problem is simplified

    摘要通過使用內邊界條件，使一類具有間斷系數的三維偏微分方程的邊值問題的解法能夠轉化為變分與泛函極值問題的解法，使復雜方程問題簡單化。
  20. We call this method point - tree structure genetic programming algorithm ( ptgp ). this algorithm has been applied into symbolic regression and parameter identification. the results show that ptgp is a good method

    我們將這種演算法應用到間斷函數回歸問題（符號回歸問題）和間斷參函數識別問題（偏微分方程反問題）中，測試結果表明，點樹遺傳程序設計演算法能夠有效的識別間斷函數。
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