鄰域 的英文怎麼說

中文拼音 [līn]
鄰域 英文
[數學] neighbourhood鄰域半徑 radius of neighbourhood; 鄰域模型 neighbourhood model; 鄰域中心 centre of neighbourhood
  • : 名詞(在一定疆界內的地方; 疆域) land within certain boundaries; territory; region
  1. 7 ) the result of spatial autocorrelation study showed : most alleles wer

    其空間鄰域的大小約為30m 。
  2. As it can be expressed easily by argument equations, we use the conicoid as the criteria of points " classification. based on the point ' s normal and the adjacent field, corresponding to the conicoid equation such as plane, ball and cylinder, we search the points that fit the equation along the adjacent field. using this method, we realized the automatic classification of unorganized points

    本文採用了可以比較方便地用參數方程表示的二次曲面作為數據點的分類標準,根據點的法向量以及其鄰域結點的各種屬性,對應于平面、球面、柱面等二次曲面,依據曲面方程的特點,從起始點開始沿鄰域深度優先遞歸尋找符合方程的數據點,實現了散亂數據點的自動分類。
  3. In this paper we improved the traditional sa algorithm, and the heuristic algorithm is applied to the search and move schedule. the neighborhood is changed from the fixable to the alterable, the operation of moving and rotating is alternate, and the precision of the solution is then guaranteed as well as its convergence speed

    本文對傳統的sa演算法進行了改進,在演算法的搜索策略和變動策略中應用了啟發式方法,由定鄰域搜索變為變鄰域搜索,平移和旋轉變動交替進行,既保證了解的精度又提高了其收斂速度,取得了良好的布局效果。
  4. Then, the associated search optimal algorithm based on virtual avl tree is promoted to rapidly reconstruct the half - edge topological structure. 3. to rebuild the tooth surface from the littery measure data, the membrane deformation algorithm based on loop subdivision is given to fit density triangle meshes to subdivision surface

    前者巧妙、高效地完成了去除冗餘點的工作,將stl數據的存儲尺寸壓縮為原來的18 % 25 % ;後者完成了數據的半邊拓撲重建,使得后續對于邊界邊搜索、 1環鄰域搜索顯示出較好的優勢,實現了三角網格模型的快速拓撲重建。
  5. In the process of processing image, image ' s vision effect is improved by some image enhance technique such as neighboring region average and pixel expanding. in accord with the feathers of the soil microphotograph, a three - level segmentation scheme is used to segment the soil microphotograph

    在圖像處理過程中,對圖像進行了增強處理改善圖像視覺效果,採用了諸如灰度變換、改進的鄰域平均法和像素點擴張法改善圖像對比度以及消除圖像中的噪聲。
  6. A real rough set space and the concepts of real lower and upper approximation corresponding to real - valued attributes is studied. a rhombus neighborhood for som is proposed, and the combination of som and rough sets theory is explored in the dissertation. according to the distance between the weight of winner node and the input vector in the real rough sets space, some new weights learning rules are defined

    本文提出採用菱形鄰域代替一般的方形鄰域,可以減少待修正權重的數目;並利用實數粗糙空間的下、上近似集的精確概念劃分自組織映射的輸出結果,使得改進后的映射結果中各類樣本點之間有明顯的間隔,易於進行分類識別。
  7. George boole was an english mathematician who helped establish the field of mathematics called symbolic logic

    喬治布爾是一名曾幫助建立數學鄰域中邏輯符號的英國數學家。
  8. We use a size changeable adjacent field to describe the topological structure of 3d unorganized points in our algorithm. it can offer essential dynamic information for tessellation and points " normal

    演算法採用可以控制大小的鄰域作為空間散亂數據點的拓撲關系的幾何描述,為網格劃分和點的法向量的幾何描述提供了必要的動態幾何信息。
  9. 3, on the base of the traditional spatial filtering, the author present, a new despeckle algorithm, that make use of iterated processing and correlated neighbourhood model, iterated filtering method of the sar image combining the correlated neighbourhood model with maximum a posteriori filter. first, a series of templates refecting direction information are established and every template is present for a kind of neighbour structure. then on the basis of sar images statistical property, the maximum a posteriori estimate of the real intensity under observation image values is got by bayes formulatio - n

    3 、針對傳統空間濾波器的不足,引入迭代處理和相關鄰域模型的概念,提出了基於相關鄰域模型的最大后驗迭代濾波。該演算法引用一系列反映局部邊界特徵的鄰域模型,以描述圖像的細節。引入強度的先驗概率分佈模型,利用bayes方法,對各個結構進行實際強度的最大后驗估計。
  10. As an important component of the above researches, this paper covers following aspects : ? firstly, product design theories are summarized, status and development trend of machinery product design are analyzed, and application of knowledge based design method in machinery product design is put forward. ? kbe ( knowledge based engineering ) theories such as knowledge acquisition, representation and storage are discussed, kbe concept is integrated with ug secondary development technology, and design knowledge is induced and stored to establish the design knowledge base. ? product case representation is researched, a hierarchical tree type product case library for complex products is established, retrieve strategy for cases of the nearest filed is put forward and corresponding algorithm is given

    本文的主要研究內容及成果如下: ?對產品設計理論和方法進行了總結和概括,分析了機械產品設計的現狀和發展趨勢,將基於知識的設計方法應用到機械產品的設計中; ?研究了知識獲取、表達、存儲等kbe理論,並將kbe思想應用到ug二次開發中,將設計知識歸納存儲,建立了設計知識庫; ?研究了產品實例表示,建立了復雜產品層次樹狀產品實例庫,介紹了最近鄰域實例檢索策略並給出相應的演算法; ?研究了基於知識重用的三維產品建模技術,研究了在設計過程中的設計資源的重用,計算過程的重用,計算數據的重用,推理過程的重用等等;介紹了基於設計重用的凸輪三維模型的實現方法。
  11. Seafloor sediment classification using a neighborhood gray level co - occurrence matrix

    基於鄰域灰階共生矩陣的海底沉積物分類
  12. University of north carolina, 1992. 17 bard j b l. a model for generating aspects of zebra and other mammalian coat patterns

    鄰域映射后,細胞間的距離就可以用它們在二維空間中的距離來度量。
  13. In this paper, we first reconstruct a second order polynomial surface to approximate the original point model in the local area of each point, which is then restricted within a so - called - confidence region, producing a - surfel

    摘要在每個點附近重建一個二次多項式函數曲面逼近原點模型,並根據逼近誤差將每個重建曲面限制在稱為置信鄰域的范圍內,從而形成一個面元。
  14. Some inaccurated definitions and properties in text [ 1, 2 ] are introduced and reformed. the definition of infinite space, cover frechet ( v ) spaces, net cover spaces and their property are discussed

    摘要指出了文獻[ 1 , 2 ]對鄰域空間等的定義存在的問題並進行了修正,給出了無限空間、蓋空間、網蓋空間的定義,並且討論了它們的一些性質。
  15. A normal transform is introduced, and there are enough much grids in the region between the critical layer and the wall, where the variation of the disturbance is the quickest. the finite - difference of governing equations with fourth - order accuracy in the normal direction is utilized in full regions including points close the wall, and is very important for accurately discreting equations. the combination of global and local methods is implemented, and a new iterative formula is derived

    對于曲線坐標系下的拋物化穩定性方程,文中發展了求解的高效數值方法:引進法向變換,使得在臨界層與壁面之間的擾動量變化最快的區有更多的法向網格點;導出包含邊界鄰域在內的完全四階精度的法向有限差分格式,這對方程精確離散至關重要;採用全局法和局部法相結合的方法及其新的迭代公式,大大加速收斂並得到更精確的特徵值。
  16. It is based on mpf, which treats inequality constraints with a modified penalty term. the mpf method alternatively minimizes the mpf and updates the lagrange multipliers. the mpf method avoids the in - differentiability of the max { x, 0 }

    修改的罰函數法所用的罰函數消除了經典罰函數的主要缺點,修改的罰函數存在解,且在解的鄰域內保持目標函數和約束函數的光滑性。
  17. At last, we correct several mistakes in a paper written by pinar dundar. in chapter 3, the concept of vertex - neighbor - scattering number of graphs is introduced, and the values of vertex - neighbor - scattering number of some simple graphs are given

    第三章引入圖的鄰域離散數概念,給出幾類基本圖的鄰域離散數值,並就樹的鄰域離散數進行較為深入的研究。
  18. Based on the classification of images, this paper gives out four digital image steganography techniques which have good conceal effect, including low - three - bits hiding strategy, odd - even of hypo - low bit hiding strategy, deviation of adjacent - field hiding strategy and self - adaptive deviation of adjacent - field hiding strategy. on digital watermarking aspect, this paper gives two blind watermarking strategies which have good conceal effect and high robustness, they are single - watermarking strategy based on minimal - value exchanging and multi - watermarking strategy which hides the same watermark copy on the different parts of an image

    在對圖像進行了分類的基礎上,本文給出了四個具有較好掩密效果的數字圖像隱寫策略,包括低三位隱藏策略、次低位奇偶策略、鄰域方差策略和自適應鄰域方差策略;在數字水印方面,提出兩個掩密效果好且魯棒性較高的數字圖像盲水印策略,分別為基於最小值交換法的單一水印策略和嵌入同一水印多個副本的多水印策略。
  19. The first part comprises industrial pta oxidation process modeling, residual fluid catalytic cracking process modeling, complex distillation modeling and analysis, the application of pta oxidation process soft - sensor technology. in the second one, the infeasibility degree based genetic algorithm is proposed to handle constrained optimization problem in engineering cases and the neighborhood and archive based genetic algorithm and its variant are proposed to treat the multi - objective optimization problem. with that, the pta oxidation process is regarded as a benchmark for the application of the proposed multi - objective optimization genetic algorithm

    論文內容分為兩部分,第一部分對包括三個典型的工業過程, pta氧化反應器、渣油催化裂化反應系統和復合式精餾塔進行分析、建模以及pta氧化過程的軟測量工程實施;第二部分分別提出了基於進化演算法解決工業過程中普遍存在的約束優化問題和多目標優化問題的過程優化演算法? ?基於不可行度選擇遺傳演算法和基於鄰域和存檔操作遺傳演算法,並利用該演算法對工業pta氧化過程操作進行多目標優化研究。
  20. The integrability conditions and coefficient conditions for the appearance of 5 and 6 limit cycles from the neighborhood of the equator are obtained. an example of cubic system with 6 limit cycles bifurcating from the equator is given for the first time

    同時計算出系統的前6個赤道環量,得到了系統在赤道鄰域的可積性條件及在赤道附近分支出5個和6個極限環的系數條件,從而首次給出了一個平面三次系統在赤道附近分支出6個極限環的計算實例
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