擬特徵函數 的英文怎麼說

中文拼音 [zhǐhánshǔ]
擬特徵函數 英文
quasi-characteristic function
  • : 動詞1. (設計; 起草) draw up; draft 2. (打算; 想要) intend; plan 3. (模仿) imitate
  • : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
  • : 名詞[音樂] (古代五音之一 相當于簡譜的「5」) a note of the ancient chinese five tone scale corre...
  • : 名詞1. [書面語] (匣; 封套) case; envelope 2. (信件) letter 3. (姓氏) a surname
  • : 數副詞(屢次) frequently; repeatedly
  • 特徵 : characteristic; feature; properties; aspect; trait
  • 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. The studies of plane heterogeneity are as follows : the text counts the parameters of the sandlayers " geometric shape of different sedimentous microfacies ; speculates the conditions of lateral communication by sandstone density according to the method brought forward by j. r. l. allen ; gets a group of parameters including the reservoir thickness, porosity and coefficient of permeability by using kriging method according to the data of logging results ; makes certain the direction of coefficient of permeability with variation function by modeling globosity function ; divides the sandlayers into five types by using the method of flowing cell based on three parameters, that is x h, kxh and h / h, and accounts the favorable region. on the base of above - mentioned studies, the text evaluates the heterogeneity of sandlayers and gives the resolutions to these problems to serve the development of the field

    Allen )等人提出的統計方法,用垂向上砂體密度的界限來推測砂體側向連通情況;根據每口井的測井解釋資料,利用克里金插值法對外間進行插值,得到了一組反映儲層在平面上變化的參,包括儲層厚度分佈、孔隙度以及滲透率,並且成圖;利用變差法,通過球狀,確定儲層優勢滲透率方向:根據流動單元法,以儲能系、容積系以及凈毛厚度比三個參為依據,通過聚類分析方法進行流動單元劃分,並且按照參將其分為五類,統計各砂層有利流動單元區塊。
  2. 1 farin g. curves and surfaces for cagd - a pratical guide. 5th edition, morgan kaufmann publishers, 2002

    我們綜合利用廣義向量合和距離,給出一種動態隱式曲線曲面重構的初值指定方法。
  3. It also roundly researched the solution of the helmholtz equation in the circumrotating ellipsoidal coordinates, and discussed how to calculate the solution of the electro - magnetic field in the circumrotating ellipsoidal coordinates using special functions, and researched circumrotating ellipsoidal cavity ’ s latent value and quality parameter using arithmetic simulation, finally we compared the ellipsoidal cavity with the spheriform cavity. the main content of this thesis are as following : 1. calculated the distribution of the electro - magnetic field inside the ellipsoidal cavity based on maxwell equations and boundary conditions, and confirmed the syntonic mode inside the ellipsoidal cavity using arithmetic methods

    本文從maxwell方程及其邊界條件求解出橢球腔內的電磁場分佈,較為全面的研究了旋轉橢球坐標系下赫姆霍茲方程的解的問題,討論了用來求解旋轉橢球坐標系下電磁場的解,並通過值模研究了旋轉橢球諧振腔的本值和品質因,並和球形諧振腔做了比較,主要內容為: 1 .用maxwell方程及其邊界條件求解出橢球腔內的電磁場分佈,並且分析了橢球腔內的諧振模式。
  4. In the design of corpus, we carefully analyze the syllable distribution of corpus th - coss, then classify the prosodic characters of this corpus and present out the distribution of every prosodic character. based on prosodic character vector, we construct an error function which is used to select original corpus for simulation system, and show the distribution of prosodic characters for the original corpus. greedy algorithm and corpus self - adaptive process are expatiated to set theoretical foundation for text material search

    在語料庫分析與設計方面,首先統計th - coss語料庫中音節分佈情況,給出th - coss語料庫韻律分類,並對每一種韻律進行統計,然後構造了一個基於韻律向量的誤差,並採用該誤差提取語料組成模系統的初始語料庫,分析該庫的韻律分佈,最後闡述了greedy演算法與語料自適應過程,為文本語料的搜索打下理論基礎。
  5. As the cam profile with constant - velocity - constant - acceleration ramp feature and with continuous higher derivative lift feature is widely adopted in the advanced high - speed internal combustion engines, the cam ramp profile is fitted with a reasonable function and the cam - lift profile is fitted with a polynomial function

    考慮到高速內燃機的凸輪大多採用具有等加速-等速的緩沖段和高階導連續的工作段型式,用等加速-等速合緩沖段實測升程據,用整體式高次多項式合工作段實測升程據。
  6. This project intends to construct a parameterized function banks about the internal properties of wavelets aimed at a extensive kind of multi - wavelets and some categories of relatively specific non - separable wavelets with significant practical background, and disclose the essential characters of non - separable wavelets. through optimizing the bases of wavelets, it will build a problems oriented system of self - adaptive wavelets neural network and apply it to the relative problems of signal processing

    本課題對比較廣泛的一類多小波及相對殊但具有十分強烈應用背景的幾類非分離小波建立關于小波各種內在性質的參庫,並試圖揭示非分離小波的本質;通過最優化小波元和小波基,建立面向問題的自適應小波神經網路系統,並應用於相關的信號處理問題。
  7. The coating processes and quality checking methods for low temperature coefficient coated high - energy nitroamine propellant have been studied based on the experiment data treatment and comparison of ltsc propellant combustion properties in closed vessel with that in gun, we found that there are some combustion functions in closed vess el are similar to that in gun

    通過對低溫感硝胺火藥在密閉爆發器和火炮膛內實驗據的處理與比較,找出了其在爆發器和火炮膛內燃燒相似的一些關系式,為利用密閉爆發器試驗模火炮彈道性能提供了基礎。
  8. 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的一些基本情況和基本概念,並模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
  9. Using the theories of probability, algebra and number theory comprehensively, we investigate a class of boolean functions with three - valued walsh spectrum in the first part of this dissertation : the properties of the extended semi - bent functions, which are constructed from any two bent functions, are studied, followed by the structure characteristics of the boolean functions satisfying propagation criterion with respect to all but two vectors ; the definition and cryptographic properties of k - order quasi - bent functions are proposed whose walsh spectrum takes on only three values. some sufficient and necessary conditions are offered to decide whether a boolean function is a k - order quasi - bent function ; a special method is presented to construct the k - order quasi - bent functions, whose cryptographic properties are explored by the matrix method, which is different from the method of walsh spectrum and that of autocorrelation of boolean functions ; the application of this kind of boolean functions in the fields of stream cipher, communications and block ciphers is discussed, which shows the great importance of the fc - order quasi - bent functions ; some methodology are proposed to construct the k - order quasi - bent functions, including the complete construction by using the characteristic matrices of boolean functions, and the recursive method by two known k - order quasi - bent functions we further extend our investigation to the ring zp, where p is a prime, and the similar results are presented as far as the p - valued quasi - generalized - bent functions are considered

    本文首先綜合運用概率論、代學、論等基礎學科的理論知識,並以頻譜理論作為主要研究工具,對一類譜值分佈相對均勻的? ?廣半bent、 k階bent和p值k階廣義bent進行了系統、深入的研究,給出了廣半bent定義,並探討了廣半bent的密碼學性質;給出了k階bent和p值k階廣義bent的定義及等價判別條件;討論了k階bent和p值k階廣義bent與部分bent和p值廣義部分bent的關系,探討了它們的密碼學性質;給出了k階bent和p值k階廣義bent的典型構造方法,並將對k階bent的密碼性質的研究轉化到對一類殊的矩陣的研究上;利用布爾矩陣原則上給出了k階bent的一種完全構造方法,還給出了從已有的p值k階廣義bent出發,遞歸構造變元個更多的p值k階廣義bent的方法;初步探討了k階bent在序列密碼、分組密碼以及通信中的應用;給出了一類布爾walsh譜的分解式,並利用這類布爾的walsh譜分解式給出了一類近似穩定的布爾的構造,殊情形下為k階bent;利用代論的知識考察了p值k階廣義bent的譜,並給出了k階廣義bent與所有仿射的符合率等等。
  10. The tdp system is based on the objectarx technique, autocad database and the vc + + development language. the characteristics of the configuration class is described based on the object - oriented technology and series of modules and algorithm of detecting interference are designed. in the end, the packing result without constraints of the arbitrary geometry component is realized

    本文基於objectarx技術,以autocad據庫為操作背景,用vc + +作為開發語言,根據模退火法構建了多目標,通過面向對象技術對布局類進行了描述,設計了一系列的操作模塊和干涉檢驗的演算法,完成了對無約束的任意形狀三維實體的布局。
  11. The paper is concerned with the eigen functions of optical fields in dielectrics, the theories of optical waveguide eigen mode, the characteristics of optical waveguides diffracted field, the theories of mode coupling in optical waveguides and the spectral response theories and simulating method for arrayed waveguide grating. in this paper, a set of beam propagation theory based on eigen modes analysis is set up which afforded theoretical basis for designing and analyzing awg devices. experiment of fabricating sio _ ( 2 ) layer by using porus silicon is also carried out in this paper, which is a new method for fabricating waveguide cladding layer

    本文以設計陣列波導光柵器件為目標,對介質波導光場的本,光波導本模理論,光波導衍射場性,光波導模式耦合理論和awg器件的光譜響應性及模方法進行了深入研究,建立了一套基於本模式場分析的光波導光束傳輸理論,為波導器件的設計提供正確的理論基礎,並嘗試了利用多孔硅生長厚的二氧化硅,用於製作波導包層材料。
  12. At the same time, according to the excellent capability of ip curves, we study fitting and description of objects, determination of invariants of objects, symmetry detection and recognition of objects based on ip curves. in all, the main contributions in the dissertation are as follows : ( 1 ) a method of determining automatically the scale of the multiscale edge detection is proposed based on the variant distance of the variogram function, and a method of segmenting texture images is also presented. the variograin values are taken as stochastic and structural properties of texture images and variant distance is taken as the size of image window

    同時,基於隱含多項式曲線良好的物體描述與識別能力,對物體邊界輪廓的合、描述、不變量的提取、識別以及物體對稱性檢測作了系統的研究,主要成果及創新之處有: ( 1 )基於變差的變程,提出了圖像多尺度邊緣檢測中尺度大小的自動確定方法;將變差的變差值作為紋理的統計和結構,依據變程確定窗口大小,給出一種新的紋理圖像的分割方法。
  13. The study on the stability switches of functional differential difference equations is an important research branch of the stability theories, which of both the theory and its applications has broad prospects. the first part of this paper, chapter 2 and 3, deals with the stability switches for two classes of retarded differential difference systems, respectively. by analyzing the characteristic roots of characteristic equations, some algebraic criteria of stability switches are established, which are useful and easy to verify

    穩定性開關是泛微分方程穩定性理論中的一個重要分支,無論是理論本身還是它的應用都有廣泛的前景,本文的第一部分(第2章、第3章)分別討論兩類二階滯后型微分差分系統的穩定性開關,通過分析方程的根,我們給出了存在穩定性開關現象的實用而又易於驗證的代判據,並利用計算機模驗算了一個具體例子。
  14. To deblur edge after image magnifying, an adaptie edge sharpness presering image magnification is put forword, which can fit edges of any direction, gradient and amplitude, utilizing the gradient imgormation of the image and the properties of the hyperbolic tangent function haing reiewing the character of a typical edge

    針對圖像放大后出現邊緣模糊的現象,論文考察了典型邊緣的,利用圖像的梯度信息和雙曲正切的性質,提出了一種較好地合任意方向、陡度和幅度的邊緣,因此能夠保持邊緣銳度的自適應圖像放大演算法。
  15. 3 j uttler b, felis a. least - squares fitting of algebraic spline surfaces. advances in computational mathematics, 2002, 17 : 135 - 152. 4 yang z w, deng j s, chen f l. dynamic implicit curve reconstruction based on approximate geometric distance

    其中廣義向量合模型能較好地反映目標形狀的拓撲結構,距離則近乎完美地刻畫了目標的幾何信息,因此所得初始隱式曲線曲面能很好地適用於動態重構的迭代過程。
  16. Furthermore, in effective frequency - band, the transfer function can not accurately simulate the theoretical transfer function, especially for phase property. it shows that kanamori ' s method is not a good one

    調整后的單邊差分方法在有效的計算頻帶內仍然不能較好的模理論傳遞尤其是相位,這說明kanamori等人的方法並不是一個很好的方法。
  17. With the distributions of bond stress and local slip, all specimens " bond - slip curves were simulated. and the calculating formula of characteristic slip and bond strength was conducted by mathematically disposal and statistically regression of bond - slip curves ; by revising the shape of bond - slip curves through " merge to one ", the model of bond - slip relation was confirmed and then a detailed definition on the model was conducted using position functions

    結合粘結應力和局部滑移的分佈規律,合出了各試件的粘結滑移曲線,然後對曲線進行一定的學處理,經過統計回歸后得到了滑移值和粘結強度的計算公式;對粘結滑移曲線形狀經過「歸一化」的學處理進行修正,確定了基本的粘結滑移的本構關系式,並引入了一個位置對粘結滑移的本構關系進行了更為細致的描述。
  18. The simulation results indicate that the parallel robot control can achieve much better effect than the traditional method by means of fuzzy control only if the abundant control experience and correct inference rules are available. as the simulation result showing, the anfis achieves the same satisfying effect with successful fuzzy control without requiring any control experience. the anfis can adjust the parameters of fuzzy inference system automatically and eliminate the influence of interfere signal on the base of adequate training samples

    在缺乏實驗條件的情況下,通過對不同控制策略的模比較研究,說明了在具備系統的先驗知識和成熟的模糊規則的基礎上,對並聯機器人採取模糊控制能取得比採取傳統控制要好得多的效果,而anfis則能在毫無經驗的情況下,通過自動調整隸屬,自動建立符合系統變量的控制模型和模糊推理規則,並能夠排除噪聲等干擾信號的影響,取得了與依賴專家知識進行控制一樣的效果,這也是模糊神經網路控制的優勢所在。
  19. The main achievements of this work include the some aspects as follows : ( 1 ) based on a simple model with constant number of parameters, which consists of a set of trigonometric series functions, a generalized ionospheric model is constructed whose parameters can be adjusted

    主要包括: ( 1 )將參固定的三角級電離層模型,擴展為更適用於理論研究和實際應用的參可調型廣義形式,實現了根據電離層延遲時空變化,選擇不同的電離層延遲的影響。
  20. In terms of diagnostic analysis chiefly, including of lanczos filter, single value decomposition ( svd ), ceof, composite and correlation analysis etc., and numerical modeling, the temporal and spatial characteristics of the intraseasonal oscillation ( mjo ) of the air - sea system and the causes are investigated in this paper

    本文對海氣系統季內振蕩的時空及其成因作了氣候學研究。主要採用診斷方法( lanczos濾波、奇異值分解、復自然正交分析、合成分析及相關分析等) ,並結合值模
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