點對稱圖 的英文怎麼說
中文拼音 [diǎnduìchèntú]
點對稱圖
英文
point symmetric graph-
Then the structure unit of hexangular lattice is found according to the principle of invariable symmetry. renormalization transformation is processed when we regard the structure unit and the growth model as graphs before and after transformation respectively. after choosing the 11 thermodynamic function fugacity as parameter, we can write out the partition functions before and after transformation and the formula of renormalization transformation
然後根據對稱性不變的原則，從整體晶格中選取結構單元，把結構單元和生長模型分別作為重整化變換前、后的圖形來進行重整化變換，選取熱力學函數易逸度為參量，寫出了重整化變換前後的配分函數和重整化變換關系式，求出了這一變換的不動點。Consisting of the protracting graph of hydrogen - like atom ' s angle distributing, computer simulation of the symmetry of molecular orbital and chemical reaction mechanism, showing the molecular point group and symmetry element, computer simulation of molecular vibration, bravias ' s crystal lattice and their transforming, extracting of plane periodic lattice, extracting of solid periodic lattice, close packing of isometrical pellet and the structure of simple mental substance, close packing of unequal pellet and crystal structure of representative ionic crystal, computer simulation of phase analysis by x - ray diffraction
內容包括類氫原子角度分布圖的繪制，分子軌道對稱性和反應機理的微機模擬，分子點群和對稱元素顯示，分子振動運動的微機模擬，布拉維晶格和晶格轉化，平面點陣抽取，立體點陣抽取，等徑網球的密堆積和金屬單質結構，不等徑圓球密堆積和典型離子晶體結構， x射線多晶衍射的微機模擬十個子模塊。In may, 90 kinds 180 trees of roses compete for beauty in the gardens designed by josiah condor, combined with the french symmetrical garden with geometrical topiary designs and the stereoscopic italian terrace garden with stone parapets, steps and flower bowls. the combination of western house and roses in the lights create a picturesque view to please our eyes
在5月份， 90種180株的薔薇花競相開放，由康德設計的左右對稱的幾何學圖案修剪的法國整形式庭園及石欄桿和石段、水盤等，立體的義大利露壇式庭園的技法重疊在一起的西洋館和被燈飾裝點的薔薇，呈現出一幅美妙絕倫的圖畫。In this thesis, our work is focused on analyzing the effects of mutual coupling between elements of the thin dipole antenna array. the effects of mutual coupling on the antennas pattern synthesis and the amplitude - phase consistency of the input impedance of the uniformly - space liner array are presented. a new method that used the mutual coupling to synthesize the pattern is been given
本文就是以此為出發點，將半波長細線對稱振子線天線陣作為研究對象，以分析天線陣列的互耦影響為核心，討論互耦對幾種方向圖綜合技術的影響，並從兩種不同的角度提出了對陣元互耦的校正方法。The research important point of this thesis as follows : the first is to generalize the importance of administrative communication and its current insufficient performance, the trend of administrative communication and information distortion caused by e - government. speak up from the certain meaning, the administration activity is a continuous communicative process. only passed the communication, then can the administration activity go on wheel, then can the administration target attain. but information distortion of the administrative communication has constituted huger threat than before to our nation, society, organization. the second, investigating several typical information distortion phenomena in the course of administrative communication, which includes information distortion caused by media coverage, information distortion brought about by intrinsic
本文堅持以辯證唯物主義和歷史唯物主義為指導，採用比較研究、制度研究、邏輯分析等，對行政溝通發展趨勢及信息失真的危害性進行了分析，透視溝通失真的現象來剖析其原因，提出降低行政溝通信息失真的思路，並試圖探索構建適合行政溝通發展趨勢的電子政務溝通模式，構建過程中以行政溝通理論和信息不對稱理論為支撐，結合行政溝通自身的特點和我國行政實際，對防止行政溝通信息失真現象的出現進行的探索性思考，並提出了具有建設性的措施。But due to the difficulties of the theoretical calculation and the limitation of the technique of image display, only some two - dimensional graphs of electromagnetic field of a planar set of point charges or symmetrically and uniformly charged bodies, which ignores the boundary effect, are introduced in the present electromagnetics teaching materials, which brings much incovenience for the acquaintance of the electrostatic field
然而，由於受理論計算和圖象顯示技術等因素的限制，目前的電磁學教材中，通常只能給出平面分佈的點電荷系或具有較強對稱性、忽略邊界效應的帶電體的電力線和等勢線的二維平面圖，這給靜電場分佈的感性認識帶來了一定不便。The details of the construction and characteristics of the new finite - difference scheme are presented in this thesis, by using both the integration theorem and the taylor expansion theory. it is proved that the new approach has the second - order accuracy on the grids with axis - symmetric voronoi cells and at least has the first - order accuracy in general. according to this character of the scheme and the computational requirements of the finite - difference approach, a striping procedure is involved to decompose the velocity model into variable spatial size grids with a nearly constant tune step preserved
本文從積分定理和taylor展開兩個角度，詳細分析了基於voronoicell的非規則網格有限差分演算法的構造過程及性質，並且在理論上證明了本文的差分方法的精度與網格形狀的關系：當voronoicell為關于節點的軸對稱圖形時，本文差分方法具有二階精度；在一般的網格上，則至少具有一階精度。In the first chapter, the background and some basic results are introduced. in the second chapter, we study higher order edge connectivity, and obtained ( a ) except for three graphs, all infinite circulants with finite jump sequence are super - ; ( b ) except for three classes of graphs, all edge transitive graphs are optimally - ( 3 ) ; ( c ) the optimally - ( 3 ) property is characterized for vertex transitive graphs, in particular, necessary and sufficient conditions are give for cayley graphs to be optimally - ( 3 ) ( d ) a sufficient condition for a graph to be optimally - ( 3 ) is given
第二章中，我們研究高階邊連通度，得到了如下結果： （ a ）除了三個特殊圖外，所有具有有限躍階的無限循環圖都是超邊連通的； （ b ）除了三種特殊圖類外，所有邊傳遞圖都是最優- ~ （ 3 ）圖； （ c ）刻劃了點傳遞圖的最優- ~ （ 3 ）性，特別是給出了cayley圖和極小cayley圖為最優- ~ （ 3 ）圖的充分必要條件； （ d ）給出了一個圖（不一定是對稱圖）是最優- ~ （ 3 ）圖的一種充分條件。It with and tian white jade engrave there aren t carving but not becoming, model, twining the ring of a lotus to intersperse outside, the vision is symmetrical
它用和闐白玉鏤雕而成造型為雙鳳立於蓮花之上，外有纏枝蓮環點綴，圖象對稱。Expanding picture region two times, this algorithm is not merely stood for the symmetrical intensity of the selected area on the edge, and the impact on symmetrical intensity of edge expanded only stays on the picture expanding, thus can measure some eyes lying in the edge, and the result is accurate
通過兩次圖像擴張，該演算法不僅獲得候選人臉圖像邊緣區域的對稱強度，而且擴張邊緣對對稱強度的影響僅停留在擴張圖像上，從而能夠檢測位於邊緣的眼睛點，結果精確。? we justify the applicability of antisymmetry biorthonormal wavelets ( asbw ) to image coding by a number of experiments, and found that the performance of some selected asbws is at least the same as the famous 9 _ 7 wavelet, which is a symmetry biorthonormal wavelet. however asbw has a potential advantage, namely extracting image edges from the coefficients decomposed by asbw, it may give a way to feature extraction from image compression data domain without completely image reconstruction
它的性能和目前在壓縮編碼中常用的9 - 7對稱雙正交小波可以比擬，但是由於反對稱雙正交小波還有如下潛在優點，即從壓縮數據域中不經重構圖像即可提取圖像邊緣，故應對反對稱雙正交小波在圖像編碼中的地位予以充分重視。Counted threads embroidery is also called seeking out thread embroidery, its making feature is that during the processing the pattern is obtained according to the counted longitude and latitude thread number of the embroidering cloth to operation, the structure is tidy, symmetric, and its pattern has rhythm and geometric lasting appeal
數紗繡：又稱挑紗繡，製作特點是運針時按照繡布的經緯數紗運針來獲得造型，結構工整，對稱，圖案富於節奏感及幾何化的韻味。A calculation method and calculation results that show that a new kind of shaped paraboloid antennas can produce a ringy radiation pattern is presented
摘要通過數值計算發現：將拋物線繞通過焦點的非拋物線對稱軸旋轉而形成的賦形拋物面天線可產生環狀的方向圖主瓣（此主瓣指的是主瓣最大值處） 。Firstly, the basic character of the remote filed eddy current is simulated and analyzed in case of two - dimension axial symmetry which approves the existence of remote filed eddy current phenomenon ; the full circumferential defect model is investigated to approve the feasibility of using the rfec techniques to detect the position and depth of defect ; the pit corrosion 、 circumferential and axial crack models are simulated, and the defect character based on voltage plane polar plot and the changes of phase and amplitude are analyzed to supply the standard for defect reconfiguration
首先，在二維軸對稱情況下模擬與分析了遠場渦流的基本特性，證實了遠場渦流現象的存在;對全周向缺陷的遠場渦流檢測進行了詳細研究，證實了遠場渦流檢測缺陷位置和深度的可行性;對點狀腐蝕、軸向與周向裂紋三種非軸對稱缺陷進行三維有限元模擬，利用相位差和幅值變化曲線與電壓平面極坐標圖對缺陷特徵進行分析，為缺陷形狀重構提供了依據。It firstly utilizes the characteristic of layout geometric information to partition the global network into some sub networks. after these sub networks are compressed by cholesky factorization, the sub networks edge nodes are combined with other nodes. calculating the final linear equations group, the algorithm can be very effective
演算法首先利用版圖幾何特徵，按最小割原理將電源地網劃分成子網，利用對稱正定矩陣cholesky分解壓縮子網內點；將子網等效成與網路其它部分連接的結點集的等效網路，最後通過計算壓縮后的網路，獲得線性方程組求解答案。A simple undirected graph is said to be semisymmetric if it is regular and edge - transitive but not vertex - transitive. this thesis consists of two parts
如果一個簡單的無向圖是正則的，邊傳遞但不是點傳遞的，那麼稱它是半對稱的。An image corresponding method based on feature is put forward in the second chapter, because of using edge feature of image, the corresponding speed is improved. edge feature extraction is an important problem in the image correponding. traditional extraction method can not meet the requirement of image corresponding, a template based area weight marking edge detection method ( tbawsedm ) is put forward, on the basis of it, a fast point correspondence strategy is investigated. image corresponding is limited to edge scope, it can make the image correponding fast and improve the veracity
圖像拼接的主要問題是確定相鄰圖像間的對應點，即圖像匹配，我們在第二章中提出了一種基於特徵的圖像對應方法，由於充分利用了圖像的邊緣特徵，大大提高了圖像的對應的速度;圖像對應中的邊緣特徵的提取是一個重要的問題，傳統的邊緣提取方法不能滿足圖像對應的需要，我們提出了一種基於模板的區域權值標記邊緣檢測方法（ templatebasedareaweightsigningedgedetectionmethod簡稱tbawsedm ） ，在此基礎之上研究了一種基於特徵的快速點對應策略，將對應點的確定范圍限定在邊緣的范圍內進行，加快了圖像對應的速度，提高了圖像點對應的準確性。A regular and edge - transitive graph which is not vertex - transitive is said to be semisymmetric
半對稱圖是指正則，邊傳遞，但點不傳遞的圖。First, the reflectance at symmetric points on face surface are estimated by symmetry of human face using two face images under known illumination. then face images in different illumination are generated by the reflectance. illumination normalization is implemented using homomorphic filtering and amendment based on symmetry for both testing and synthesized images
基於人臉的對稱特性，用兩幅已知光照條件的人臉圖像估計圖像每點的反射特性，繼而合成不同光照條件下的人臉圖像;設計了同態濾波與對稱關系修正相結合的光照校正演算法，對人臉圖像進行光照校正，以改善光照變化對圖像的影響;基於校正後的人臉圖像完成人臉識別。And the researches of the article have been done as follows : firstly, about the adjustment of rotation, a method, based on susan corner detection algorithm, is presented in the thesis. and the rotated image is rectified exactly by the symmetry of the portrait image and the invariant to rotation of shoulder corner. then the detail of images is preserved by the approximately geometrical processing based on the bicubic interpolation algorithm
具體工作如下:第一，在旋轉調整方面，本文採用了一種基於susan角點檢測的演算法，利用了人像所具有的對稱性以及肩部拐點旋轉不變特性比較準確的實現旋轉校正;並採用了雙三次插值方法對圖像作幾何近似處理，很好的保持原圖像的細節。分享友人