critical lattice 中文意思是什麼
critical lattice
解釋
臨界格-
Bond percolation on lattice sierpinski carpetand its critical phenomena
格點圖上邊滲流及其臨界現象 -
Two block time - recursive algorithms are developed for the efficient and fast computation of the 1 - d rdgt coefficients and for the fast reconstruction of the original signal from the coefficients in both the critical sampling case and the oversampling case. the two algorithms are implemented respectively by a unified parallel lattice structure. and the computational complexity analysis and comparison show that the proposed algorithms provide a more efficient and faster method for the computation of the discrete gabor transforms
首先論證了一維rdgt系數求解演算法和由變換系數重建原信號演算法，不論是在臨界抽樣條件下還是在過抽樣條件下，都同樣具有塊時間遞歸特性，並提出了相應的塊時間遞歸演算法及其并行格型結構實現方法，計算機模擬驗證了并行格型結構實現的可行性，計算復雜性分析與比較也說明了rdgt塊時間遞歸演算法的并行格型結構在計算時間方面所具有的高速和高效性能。 -
Based on the research to the stability variable cross - section beam, the bending defection differential equation of the variable cross - section beam in critical state of bucking is established. according to the edge condition of the structure, the differential equation is solved and bucking equation of variable cross - section beam is created. we can get the algorithm which can be used to calculate the equivalent inertia moment of the variable cross - section lattice structure when it is regarded as constant cross - section of solid web beam
對變截面格構式構件的穩定性計算進行了初步的研究，通過建立變截面構件臨界狀態下彎曲變形的微分方程，根據變形邊界條件，得到了兩端鉸支的變截面梁失穩特徵方程，提出了幾種特殊形式的變截面格構式構件等效為等截面實腹式構件時等效慣性矩的計算方法。 -
In the third chapter, connected with the cube lattice model, we present the steps of the renormalization group and indicate the corresponding relationship between the fixed points of the renormalization group and the critical points
在第三章中結合立方晶格模型介紹了基於泛函積分的重整化群方法的幾個步驟以及重整化群中的固定點和臨界點的對應關系。 -
The application of finite element method in the stability analysis is studied, by calculate the lattice structure ’ s critical force with finite element method. the initial moment method is improved
用有限單元法對不同腹桿布置形式的構件進行了穩定性計算，對等效慣性矩的計算公式進行了驗證。 -
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。 -
The theoretical calculation and explanation of strain behavior during heteroepitaxy of oxides thin films : when the lattice mismatch is relative small ( for example, batio _ 3 / srtio _ 3 with a lattice mismatch of 2. 18 % ), the growth mode of thin films is layer - by - layer, and the critical thickness and strain relaxation can be calculated or estimated by matthews - blakeslee expressions ; when the lattice mismatch is large ( for example mgo / srtio _ 3 with lattice mismatch of 8 % ), the strain relaxation process can be explained by theory of coherent strained islands
氧化物薄膜異質外延應變行為的理論預測和解釋。對于晶格失配較小的外延體系（如batio3 / srtio _ 3 2 . 18 % ） ，薄膜以層狀方式進行生長，臨界厚度和應變釋放過程可以用經典的matthews - blakeslee公式進行預測;對于晶格失配較大的體系（如mgo / srtio _ 3 8 % ） ，薄膜以島狀方式進行生長，應變釋放過程可以由彈性應變島的理論體系進行解釋。 -
These values are the critical exponents of three - dimension site - lattice. we study the two - dimension triangular - bond lattice percolation with next - nearest - neighbor interactions on the renormalization group approach as well
另外，我們採用位置空間重整化群方法，對二維次近鄰三角格子鍵滲流模型進行了研究。 -
In the second chapter, combined with the two - dimension triangle lattice ising model, we show the procedures of the renormalization group methods and illustrate how to apply these methods to solve critical exponent in detail
在第二章中結合二維三角形晶格伊辛模型詳細地介紹了重整化群方法的步驟以及如何應用重整化群方法來求解臨界指數。 -
Due to the change in lattice constant and the distortion of energy band, strained si exhibits great mobility enhancement compared with the conventional si material, and it is the critical reason for the wide application of strained si mosfets
由於晶格常數的改變，應變硅中載流子的遷移率高於普通硅材料，這是應變硅mosfet性能提高的根本原因。 -
In the honeycomb lattice with random transverse field, a smaller crystal field cannot change the percolation threshold of critical transverse field. the reentrant phenomena shall appear at the range of certain random concentration when the transverse field takes a larger value, while the reentrant phenomena do not occur and when the transverse field take a smaller value
隨機橫場作用下的蜂窩格子中，較小晶場的存在並不能改變臨界橫場閾值；取較大橫場值時在某些隨機濃度范圍內出現重入相變現象，而取較小橫場值時則沒有重入現象產生。 -
So a hypothesis is proposed, i. e., as long as the symmetry and coordination number are kept unchanged the critical behavior of any two - dimensional lattice is same by this method. that indicate those two - dimensional lattices belong to the same universal class
所以本文還提出假設，只要是保持對稱性和配位數不變，用這種方法計算出的任何二維晶格的臨界行為都是相同的，這表明它們是同一普適類。
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