離散表示法 的英文怎麼說
中文拼音 [lísǎnbiǎoshìfǎ]
離散表示法
英文
discrete representation- 離 : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
- 散 : 散動詞1. (由聚集而分離) break up; disperse 2. (散布) distribute; disseminate; give out 3. (排除) dispel; let out
- 表 : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
- 示 : Ⅰ動詞(擺出或指出使人知道; 表明) show; indicate; signify; instruct; notify Ⅱ名詞1 [書面語] (給...
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 離散 : dispersed; scattered about; separated from one another; spread; debunching; straggling; fringing;...
- 表示 : show; express; mean; indicate; expression; presentation; signifying; remark; representation
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Fast algorithms of both discrete and orthonormal wavelet and wavelet packet coefficient are diagrammatized to be introduced. daubechies wavelet is applied to help to discuss the application and test on signal filtering and noise reduction with the principle and threshold implementation ; the basic principle to pickup the fault characteristics is introduced mainly about the relations between the maximum module and signal saltation point and how to characterize the saltation point with lipschitz exponent
展示了離散正交小波變換的mallat快速演算法和小波包系數分解的快速演算法;重點應用daubeches小波探討了小波變換在信號濾波去噪中的應用和實驗,闡述了其基本原理和通過閾值化處理實現濾波的具體方法;探討了用小波變換進行故障特徵提取的原理,說明了小波變換模極大值和信號突變點之間的關系以及怎樣用李氏指數來表徵突變點的性質。Moreover, the block time - recursive 2 - d rdgt algorithms and their unified parallel lattice structure implementation are extended from 1 - d rdgt case. three applications of the rdgts are investigated : gabor representation for transient signals via the rdgts, mnr fid signal enhancement via the oversampled gabor transforms, representation and approximation of time - varying systems via the rdgts. the experimental results show the efficiency and advantages of the rdgts in applications
研究了基於實值離散gabor變換的瞬變信號表示演算法、基於過抽樣實值離散gabor變換的核磁共振fid信號增強演算法以及基於實值離散gabor變換的線性時變系統表示與逼近方法,實驗結果驗證了實值離散gabor變換在應用方面的優越性和有效性。As an example, the implementation of the laplace equation with the gridless method has been presented at first and the resulting large scale matrix equations are solved by gmres algorithm. the numerical simulations of the flows over a cylinder are tested successfully with clouds of different scales, which shows the " cloud " effects on the computational accuracy
本文先以代表定常不可壓位勢繞流的laplace方程為例,研究了laplace方程的無網格離散形式,並運用gmres高效演算法對其快速求解,數值模擬了典型的圓柱繞流;並通過不同點雲尺度的數值模擬,顯示出點雲尺度對計算精度的影響。The relation of absorption of nano - metal sols and the addition of dispersants, as well as the rule of absorption of nano - metal sol added by dispersants concomitant to placing time were systematically investigated by means of uv - vis. the results show that, the suitable dispersant to nano - iron / ethanol sol is 0. 035 % polyoxyethylene ( 10 ) lauryl ether ( op - 10 ), but in the case of nano - tungsten / ethanol sol, 0. 13 % neotelex maybe is of more benefit to its disperse stability. the observation of tem shows the best evidences
Uv - vis法理論分析結果表明,對于納米鐵溶膠,添加0 . 035的非離子型表面活性劑十二烷醇聚氧乙烯醚可以達到良好的分散穩定性;而對于納米鎢溶膠,最理想的分散劑則是0 . 13的陰離子表面活性劑十二烷基苯磺酸鈉,電鏡觀察結果完全證實了該推論,顯示5天後的納米金屬溶膠仍然保持良好的分散狀況。An accelerated direct rendering algorith of isosurface for 3d data sets is presented. the problem for calculating the intersections of the ray and the bounding cells pierced by the isosurface can be viewed as the problem of sampling alonga 3d discreteray. it is shown that the algorithm is better on memory requirement and speed than traditional algorithm through its realization on pc
提出等值面直接顯示演算法,充分利用數據空間的相關性,把體素分為邊界體素和內部體素,並採用體數據邊界表示法,降低了內存.繪制等值面時,將視線與邊界體素的求交運算轉化為對離散視線上點的掃描,避開對整個體數據空間的遍歷,從而減少了計算量。The numerical solutions show the integer - coded ga is effective. when number of the discrete value between representation for binary coding and in discrete list ca n ' t be corresponded by one - to - one, integer coding is predominant, and better solutions are achieved under the same parameters. in chapter 5, ga is applied to configuration optimization of truss with mixed variables and topology optimization of truss with singularity
通過算例表明,整數編碼的遺傳演算法是有效的,而且在二進制編碼所能表示的離散值個數與變量的可選離散值數目不能一一對應大連理工大學博士學位論文一時,整數編碼顯示了它的優勢,在相同的控制參數下,能夠得到比二進制編碼更優的結果。A set of unambiguous rules specifying the manner in which data may be represented in a discrete form
用以規定數據用離散形式表示時的表示方法的一套明確的規則。The soft tissues are discreted to a mass - spring - damper system, and the topologies of the system are described using adjacent tables, the dynamical equations can be constructed based on the data stored in the adjacent tables. the 4th order runge - kutta method is used to integrate the equations of deformation. using computer graphical techniques to display the visual feedback of the deformation
將連續的軟組織離散為由彈簧-阻尼器及與其連接的質點構成的離散系統,用鄰接矩陣表示離散系統的拓撲結構,即質點-彈簧間的鄰接關系,依據該信息,可自動計算與每個質點連接的彈簧、阻尼器對接點的粘彈性力的貢獻,然後採用4階runge - kutta方法對得到的微分方程組進行數值積分,用opengl技術對得到的模擬結果進行圖形繪制。Incremental length diffraction coefficients ( ildc ) is adopted to calculate the contribution of edge diffraction. in order to improve the accuracy of calculation, multi - scattering is discussed, based on the two former contributions and ray - tracing method. geometrical optics ( go ) and physical optics ( po ) are used to calculate the multi - reflection between facets and facets
對于鏡面反射採用物理光學法計算其散射貢獻,結合基於面元的目標模型的表示,採用離散的積分形式,將面電流積分化簡為線積分,簡化計算復雜度;對于邊緣繞射,運用增量長度繞射系數理論計算目標邊緣繞射場;在多次反射中,則以光線跟蹤方法為基礎,採用幾何光學、物理光學相結合的方法分析考慮多次散射場。Most of these standards are based on the method of inter - frame motion compensation and two - dimensional discrete cosine transform ( 2d - dct ) and encode and describe the color video in ycbcr 4 : 2 : 0 format, which want to take advantage of human visual system ( hvs ) to save bit expense by decreasing the resolution of two color difference components
當前國際上的壓縮標準普遍採用幀間運動補償加幀內二維離散餘弦變換的編碼方法,並且將彩色視頻序列表示為ycbcr格式,試圖利用人眼的視覺特性降低對色差信號的解析度來節省比特開銷。The first generation spatial analysis database system, sadbs, uses " realms " as expression base of spatial data. it adopts discrete integer coordinate system to solve topological error in spatial database. it also uses multi - index data organization and plane - sweep algorithm, which improve the performance of spatial analysis operations
第一代空間分析數據庫系統sadbs使用realms作為空間數據的表示基礎,它利用離散化的整數坐標系統,解決了空間數據庫的拓撲誤差問題;使用多索引的數據組織方法,引入平面掃描演算法,提高了空間分析操作的性能。Dual grid is another spatial expression approach based on discrete geometry
雙網格也是一種基於離散幾何的空間對象表示方法。In basic action layer ' s designing, it uses a fuzzy - pid control algorithm that brings the system with a good dynamic and static performance. in the whole decision - making process, the protean situation on the competition ground is expressed by an artificial intelligence method for describing the state space that is constituted by selecting a small number of discrete representative states. desired actions are set for every robot based on the tasks of the system and the strategy
其中在進行基本動作層的設計時,採用了模糊控制與pid控制相結合的智能控制演算法,使系統具有良好的動、靜態品質;而在進行整體決策時,採用了人工智慧的狀態空間表示方法,在比賽場上瞬息萬變的態勢中選擇少量的具有代表性的離散狀態來構成狀態空間,再根據系統需要完成的任務,為機器人確定有限的動作集合,並通過決策推理,給每個機器人選擇合適的動作,從而決策得出機器人的左右輪轉速值,實現對系統的實時控制。This method connects the discrete points processed in the level set method to form a smooth curve, thus transforms the discrete problem to continuous one. constraint entry is added to the curve according to the actual demand, and satisfactory result is obtained in experiments. the results show that the algorithm is effective in the actual applications
基於鏈碼的水平集方法把原先水平集方法中處理的離散點,利用鏈碼易於表示曲線的特點,連接成一條光滑的曲線,這樣就把離散問題轉化為連續問題,利用曲線的連續性和光滑性,根據實際問題的需要,對曲線加入外部約束項控制,在實驗中獲得了滿意的結果,在實際應用中達到了預期的效果。In this paper, the artificial neural networks are considered as a structure set of the neurons. based on this point of view, we make a comprehensive and deep researching on the hopfield model neural network of associative memory with hebbian learning in three aspects, i. e., analyzing, describing and computing of the symmetry of the system, thus discovering the storing mechanism of the hebbian learning rule. which give a deeper understanding to the associative memory mechanism of artificial neural network
本文將人工神經網路視為神經元的結構集,並從這個基本觀點出發,從三個方面,即對稱性的分析、表示以及計算,對hebb型的離散hopfield模型神經網路進行全面的、深入的研究,揭示了hebb法則這種特殊的存儲規則的機理,並以此來達到加深對整個網路的聯想記憶機理認識的目的。The knowledge bases system in this expert system is self - contained system, which not only can store the accurate numerical knowledge and the fuzzy language expression knowledge accurately and conveniently, but also fuzzy continuous knowledge and dispersed knowledge effectively. it solved the problem of the store of subjection function and domain in the database, not concerning the type of the database
這種表示方法具有完備性,根據它建立的知識庫不但能準確、方便的存儲精確的數值型知識和模糊語言表示的知識,而且能有效的表示、存儲模糊的連續型知識和離散型知識,既解決了隸屬函數和論域在數據庫中存儲的問題又不依賴于具體的數據庫系統。In this paper, we use the symmetric interpolating scaling function as the basis for the resolution space. the specialty of wavelet interpolation galerkin method ( wigm ) is : the wavelet coefficients are the values of function at the equinoxes because of the character of interpolation of the basis function
小波插值galerkin法(簡稱wigm )的特點在於:基函數的插值特性,使得用尺度函數線性表示被求函數時,其中的小波系數即為函數在二分點上的離散值。On the ground of multiresolution analysis, wavelet galerkin method uses wavelet scaling function as the basis for the resolution space, with whose linear combination any function in this space can be expressed. then the partial differential equations ( for short pdes ) can be dispersed to a linear system through galerkin
小波galerkin法是根據多分辨分析,利用小波尺度函數構造解空間的基來線性表示該空間中的任意函數,然後通過galerkin形式的變分把偏微分方程(簡稱pdes )離散成一個線性系統。Representing and characterizing the separation of disperse materials ; application to analytical separation processes
彌散材料分離的表示法與特徵.分析分離法的應用Representing and characterizing the separation of disperse materials ; selection and determination of parameters for industrial separation processes
分散物質分離的表示法與特徵說明.工業分離方法參數的分享友人