方向圖函數 的英文怎麼說
中文拼音 [fāngxiàngtúhánshǔ]
方向圖函數
英文
pattern function- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 圖 : Ⅰ名詞1 (繪畫表現出的形象; 圖畫) picture; chart; drawing; map 2 (計劃) plan; scheme; attempt 3...
- 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
- 方向 : direction; orientation
- 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
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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特徵在平面上變化的參數,包括儲層厚度分佈、孔隙度以及滲透率,並且成圖;利用變差函數法,通過球狀函數模擬,確定儲層優勢滲透率方向:根據流動單元法,以儲能系數、容積系數以及凈毛厚度比三個參數為依據,通過聚類分析方法進行流動單元劃分,並且按照參數特徵將其分為五類,統計各砂層有利流動單元區塊。The agent of kdc according to the picture and individual character information which users input, the base key of producing automatically, make the conversation every side produce the self - same main key, has solved the problem of key distribute ingeniously. and it utilize irreversible hash function produce session key realize one - time key. the thesis has also analysed the application of different situations that the agent of kdc among the conversation modes in many ways
本文提出的個性化kdc代理根據用戶輸入的圖片和個性信息,自動產生基密鑰,分別運用公開密鑰系統進行交換,使通話各方各自產生完全相同的主密鑰,巧妙地解決了密鑰分配和加密解密同步的問題,並利用單向散列函數的性質,基於相同的演算法產生用於加密解密的一次一密會話密鑰。( 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。It has been deduced that the search direction remains the same but that the step length decreases in optimizing the improved cost function with the conjugate gradient algorithm from the gradient of the cost function that the fir filter apporaches the contrary point spread function ( psf ) more, and that the estimated image is closer to the original one
從代價函數的梯度入手推導出共軛梯度演算法,其搜索方向保持不變而搜索步長變小,使濾波系數更加退近於點擴展函數逆運算元,從而使估計圖像與原始圖像更加接近。A rectangular diagram of a logic function of variables drawn with overlapping sub - rectangles such that each intersection of overlapping rectangles represents a unique combination of the logic variables and such that an intersection is shown for all combinations
一種多變量邏輯函數(求值用)的方格圖,橫行表示一組變量(與取值) ,縱向表示另一組變量(與取值) ,重迭(相交)的方格表示若干邏輯變量的一種唯一的組合(與取值) ,而且表示了所有可能的邏輯變量的組合(與取值) 。Proposed an improved algorithm for traditional radial basis functions used in image morphing technology. based on polynomial, the new basis function is continuous at subsections junctions, and introduced the direction - correlating control function. this algorithm keeps the boundaries of local morphed image subtle, and gets rid of some unreasonable warping resulted from isotropy with traditional radial basis functions. experimental results show that good local morphing results can be achieved
針對傳統的圖像變形技術中所採用的徑向基函數,應用在局部變形中的不足提出了一種改進方法:構造了基於多項式的分段連續基函數,並在此基礎上引入了與方向相關的控制參數.該方法在圖像局部變形的邊界處具有光滑的過渡,同時克服了傳統徑向基函數的各項同性所導致的不合理變形現象.實驗表明,該方法具有良好的局部變形效果Better segmentation effect can be attained by coding gray levels of pixels as eigenvector, taking advantage of histogram entropy principles function as fitness function, adopting ranking selection operation, making use of arithmetic crossover and mutation at a certain probability, combining with clustering analysis to initialize clustering center of the population to segment cells image with genetic algorithm
以像素的灰度值為特徵向量進行編碼,利用直方圖熵法準則函數作為適應度函數,採用基於排名的選擇操作,以一定的概率進行算術交叉和變異,並結合聚類分析設定種群的聚類中心對細胞圖像進行遺傳聚類分割。This system has the friendly windows for dialogue between person and machine, can draw and label the plan of each roll groove with the way of parameterization drawing, under the condition that giving the size of the rough blank the specifications of the finished product and the technical parameters of the roll, selecting the minimum consumption as the target function, adopting the optimization, adopting the boundary condition of the grip the strength of roll and the check of the power - generating. moreover, the plan can be outputted in the software of autocad
本系統具有友好的人機對話界面,可以在給定坯料尺寸、成品尺寸和軋機技術參數的條件下,以能耗最小為目標函數,採用最優化方法,在滿足咬入條件、軋機強度校核、電機校核等邊界條件下優化設計出最優的孔型系統,採用參數化繪圖方法將優化設計結果繪製成孔型圖並進行標注,最終可以向autocad繪圖軟體輸出。Secondllv in the 1 d random traffic flow model. the relation function between the correlation and the creation. disappearance. brake probabilities of the vehicles is presented. according to the statistical mechanical approach to the spatial correlation functions. the theoretical results agree with that of the computer simulation. thirdh. based on the bml model. a main - road traffic flow model with two speeds on two dimensions is designed. this model simulate the traffic situation of one main road and several branches in the cit traffic lights placed on the crossing. vehicles breaking ~ vhile running and turning to other direction while jamming. we investigate the ~ ' e1ocitv and flo ~ ~ of the model when the initial densitvthe brake and turning probabilities. the green to signal rati3. thc number of the branches and the period of the signal are changed. then the reasons causing all the kinds of phenomena are analvzed. finallv. we simulate the bml model using the method of lattice boltzmann which ~ vas brought out by liu mu - renand obtain the velocity - density graph similar to the previous result. the upper critical densiw above which there are oniv jamming configurations. and the lo ~ ver critical density below which there are only moving configurations are the same as before. the boltzmann function which is on the lattices shows the moving and jaxmning transition obviouslv. thus it proves the possibilit of this method on the traffic research
接著,建立了和研究了二維二速的主幹道模型,該模型模擬了城市交通中一條主幹道,多條支道的交通情況,在幹道與支道的交叉路口設置紅綠燈,車輛在運行中可以有對突發事件發生反應的剎車,在發生堵塞時,路口的車輛可考慮通過轉向來緩解交通等各種實際情況的發生,給出了車輛演化的演化方程,並通過計算機模擬,研究模型在改變車輛的初始密度、剎車概率、轉向概率、支道數、紅綠燈信號的綠信比、紅綠燈信號周期等各種情況下支、主幹道車輛的速度、流量的變化,並分析在各種情況下交通狀況的成因,提出改善交通的有效措施。最後,在劉慕仁提出的用格子boltzmann方法研究一維決定論交通流的思路下,將此法推廣到對二維bml模型的模擬上,得到了與用以往方法的研究結果相類似的速度-密度圖線,且車輛從運動相到堵塞相轉變的上下臨界密度是一致的,同時分別給出車輛在處于暢通相和堵塞相時, boltzmann函數在格子上的分佈情況,進一步驗證了此法的可行性。This thesis analyzes circle array ’ s performance and employs different arithmetic accordingly ; transforms circle arrays to line arrays by mode transform ; analyzes the space geometry antenna ’ s pattern function
本文分析了圓形陣列的性能,在此基礎上應用了不同的演算法;利用模式轉換將圓形陣列轉化成為虛擬的線陣,並且分析了共形天線的方向圖函數。We first propose an improved local edge detector to detect road elements from sar images. by introducing prior information of road network, we can organize the local line fragment into useful line structure with directional potential function
首先利用一種改進的sar圖像局部線特徵檢測運算元獲得公路段基元,然後引入關于公路特徵的先驗知識,利用方向勢能函數將局部線特徵組織成較大線性結構。3. the coder class is defined introducing the object oriented programming, the important member function is realized such as the beginning and end of coding, the getting of image type, the conversion of image type etc. according to the bandwidth of different users, the bitrate is adjusted and the algorithm is simulatively realized
採用面向對象的程序設計思想和方法,定義了編碼器類,給出了重要成員函數如編碼開始、編碼結束、獲取圖像類型、圖像類型轉換的程序實現;根據用戶帶寬的不同,調整編碼時用到的位率並且進行了程序的模擬實現。With the development of the electrical power enterprise and computer technology, it is important to design a highly efficient , better maintainable and graphic interface based software package for power system analysis and computing in the paper , the author put forward a kind of new sensitivity analytical method which take into account load characteristic to fix on the weak bus, and with example to prove the exactness of the algorithm ; developed the visual electrical power system analysis and computing and graphic sporting system, the software package was developed by using the idea of object oriented programming , the method of class ' s inheritance , polymorphism and virtual function, and set up equipment - chart element - the interreaction between class this make it easy to expand, maintain and replant
隨著電力事業和計算機技術的發展,研製高效率、可維護性強、具有良好用戶界面的圖形化計算分析軟體成為電力系統分析計算研究的重要任務之一。本文提出了一種計及負荷特性的靈敏度分析方法來對薄弱母線進行確定,並用算例驗證了演算法的正確性;開發了圖形化的電力系統分析計算軟體和圖形支持系統,該軟體完全採用面向對象的設計方法,充分利用了類的繼承、多態性質和虛函數的方法,建立起設備圖元類之間的相互關系,使軟體具有高度的開放性、可維護性、可移植性。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特徵,利用圖像的梯度信息和雙曲正切函數的性質,提出了一種較好地擬合任意方向、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。For elastic reigistration of non - rig id body, after the thin - plate splines for image registration is analysed, the local elastic registration is presented, which usilizes a positive definite function with compact support as the radial basis function of interpolation
對于非剛性物體圖像的彈性配準,本文先分析了基於薄板樣條彈性配準方法,總結了其不足之處,通過採用一種緊支正定函數作為插值方法中的徑向基函數,實現了圖像的局部彈性配準。Mss consists of mathematics & applied mathematics dept., information & computing science dept., probability & statistics dept. and college mathematics dept. with ten subject orientations : algebra, function theory, computing science, numerical solution of differential equation, functional differential equation and its application, applied probability and statistics, mathematics mechanization, cad, coding security and financial mathematics
有代數、函數論、計算數學、微分方程數值解法、泛函微分方程及應用、應用概率統計、數學機械化、計算機圖形處理、密碼安全、金融數學十個學科方向。In this paper, we first established the image metadata used in our system which based on the famous dublin core, then we analyzed the abstraction and description visual features of image such as color texture and shape. next, we discussed the problem of similarity measure of visual feature, imported fuzzy logic into the distance feature and pointed out the disadvantages of geometry space based methods. for multi - dimension vector ' s high dimension nature, it ' s hard to index with traditional methods, we discussed how to lower the dimension using clustering and klt transformation
本文首先在dublincore的基礎上制定了適合我們要求的圖像元數據集;詳細分析了顏色、紋理、形狀等視覺特徵的提取和表示方法;探討了圖像視覺特徵相似度量的問題,將模糊技術引入直方圖的距離度量,分析了幾何空間距離度量函數的不足之處,提出了系統中採用的距離函數;針對圖像視覺特徵向量的多維特性,分析了現有的各種降維技術和多維索引技術。分享友人