空間對稱元 的英文怎麼說

中文拼音 [kōngjiānduìchènyuán]
空間對稱元 英文
space symmetry element
  • 空 : 空Ⅰ形容詞（不包含什麼; 裏面沒有東西或沒有內容; 不切實際的） empty; hollow; void Ⅱ名詞1 （天空） s...
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 對 : Ⅰ動詞1 （回答） answer; reply 2 （對待; 對付） treat; cope with; counter 3 （朝; 向; 面對） be tr...
  • 稱 : 稱動詞（適合; 相當） fit; match; suit
  • 空間 : space; enclosure; room; blank; interspace
  1. Based on the tms320f240 controller produced by ti company, the hardware and software designation of the symmetrical voltage space - vector pwm is presented. designed a digital controller with tms320f240 to modulate the speed of the motor, in which the keyboard and led display are bedded. it can be to set the frequency of motor and display the run frequency of motor in real time

    基於ti公司的tms320f240控制晶元，介紹了對稱空間電壓矢量硬體設計和軟體設計，採用tms320f240設計了一款用於電機變頻調速的數字控制器，該控制器上設計有鍵盤和led顯示，可以設定和動態顯示電機運行頻率。
  2. We study the relation of carleson measure and toeplitz operator on bergman space of bounded symmetry domians, and give a charactering of a composition operator, also give a charactering of bounded and compact weighted composition operator

    研究了有界對稱域上bergman空間的carleson測度與toeplitz運算元的關系。研究了有界對稱域上bergman空間上復合運算元的一個特性。給出了加權復合運算元的有界性及緊性的刻畫。
  3. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直線感應電機進行了深入細致研究，內容包括： （ 1 ）本文採用有限長行波面電流作用於有限長鐵芯上的模型，引用了氣隙磁場一維解，研究了單層繞組磁場，奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較，簡單介紹了二維解； （ 2 ）用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析，並分析了結果； （ 3 ）用軟體進行了額定電壓下的瞬態分析，得到了轉矩，位移，轉速隨時間變化曲線圖，利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較，採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證，由實驗測得了三相電流波形，並與計算結果進行了比較，對其不對稱性進行了定性分析。
  4. At present, auralization software and research fruit based on geometrical acoustics ca n ' t solve problems above. in this dissertation, the finite element method ( fem ) and adaptive finite element method ( afem ) to auralization in small enclosures are presented. relative problems are studied and some effective approaches for the problems " settlements are given

    本文將波動聲學為理論基礎的有限元法（ finiteelementmethod ，簡稱fem ）及自適應有限元法（ adaptivefiniteelementmethod ，簡稱afem ）成功地引入到小尺度封閉空間可聽化研究中，對相關問題進行了深入研究，提出了一系列解決問題的有效方法。
  5. According to the test result, the mechanism of inorganically post - installed bars with cone - shaped heads was analyzed. and then the anchor intensity formula was formulated. the inorganically post - installed bars with cone - shaped head was carried on the finite element analysis on the spatial axial symmetry model

    根據試驗結果，對帶錐頭無機植筋的受力機理進行了理論分析，推導出帶錐頭無機植筋的錨固強度公式，並利用空間軸對稱模型對帶錐頭無機植筋進行了有限元分析，提出了利用桿單元模擬鋼筋與混凝土之間的粘結滑移關系的方法。
  6. Hi the aspect of symmetry analyzing to the hopfield model neural network with hebbian learning, we study on the dynamical behavior of the state space under the action of isometric transformation group g = z2 ? n, and prove the invariant property of the energy orientation ? / / " ) of the state space under the action of g. we find that the symmetry relationship of the network is sx - sw = sh when the active function of the neuron is odd, where sx is the symmetry of the patterns set x under hebbian learning rule, sh is the symmetry of the network and sw is the symmetry of the weight matrix w of the network

    ） s _ n為手段，研究了網路狀態空間在群g作用下各點的運動情況，證明了群g作用下的不變性。證明了當神經元的激活函數f為奇函數時， hebb法則下存儲樣本集x的對稱性s _ x 、網路對稱性s _ h以及連接矩陣對稱性s _ w三者之間滿足s _ x = s _ w = s _ h的關系；同時，我們還證明了：網路穩定態集vf同一s _ h軌道中的兩個穩定態的動力學行為（能量和吸引域大小）相同；兩個等距網路h和h 1 = g ? h ， （ ? ） g （
  7. Abstract : reviewed are five methods for the analysis of the penetration of jacked - in piles, namely, cavity expansion method, strain path method finite element method, slip line method and calibration model test. after analysis, it is pointed out that it is more rational to adopt sub - statical spatial axisy numerical formulas based on traditional plane - strain cavity expansion method in the analysis. after spatial closed - form solutions are obtained for soil movements, stresses and initial excessive pore pressures generated durihy pile penetration are found out. it is suggested that finite element analysis together with centrifugal model test be used in verifying the results

    文摘:在分析飽和粘土中靜壓樁的貫入機理的基礎上，對靜壓樁沉樁分析的圓孔擴張理論、應變路徑法、有限元分析、滑移線理論和模型槽試驗等五種方法逐一進行評述，並提出在傳統的平面圓孔擴張理論基礎上加以改進，採用準靜態空間軸對稱方程組對靜壓樁貫入過程進行模擬，從而得出土體位移、應力、初始超孔壓的空間解析解，同時採用有限元分析、模型槽試驗相互印證的研究方法
  8. We prove that m has property ( p ) if and only if ( 11 ) let m be as in ( 10 ) then m and every weakly closed subspace including m have proverty ( p ) if and only if for any t b ( h }, there exist x, y h. such that ( 12 ) let a be a completely distributive subspace lattice algebra acting on a hilbert space, then the rank one subalgebra of a is dense in a if and only if, the weak closures of the first and the second preannihilators of a in the space of all trace class operators are reflexive

    一弱閉運算元空間，稱州具有性質（ p ） ，如果州中秩一運算元生成的子空間在期中a一弱稠密.我們證得:川具有性質（ p ） ，等價于州: = { t丁扭） : tx任[州上習， z任火} . （ ll ）設川如（ l0 ）所述，則川以及包含川的每個a一弱閉子空間都具有性質（ p ） ，當且僅當，對任意t任側喲，都存在x ， ，任火使得t一x y州
  9. In this paper, we characterize the linear operators preserving adjoint matrices on the spaces of all matrices, symmetric matrices and upper triangular matrices over domain

    摘要木文刻畫了整環上的全矩陣空間、對稱矩陣空間和上三角矩陣空間上保持伴隨矩陣的線性運算元的結構。
  10. Function to text nodes, comment nodes, processing instruction nodes, attribute nodes, and namespace nodes

    函數對文位元組點、注釋節點、處理指令節點、屬性節點和名稱空間節點進行測試。
  11. An envelope described with an rpc - literal binding must namespace qualify the descendents of part accessor elements for the parameters and the return value, as defined by the schema in which the part accessor types are defined

    對于定義部分訪問器的模式中所定義的參數和返回值，通過rpc -文字的綁定描述的信封必須限定部分訪問器元素的派生元素的名稱空間。
  12. The effects of elastic module and poisson ratio on the singular stress fields in dissimilar materials are studied in this paper. for many dissimilar materials are used under temperature loadings, the effects of materials " constants on the singular stress fields are also discussed

    本文主要利用有限元來討論平面和空間軸對稱結合材料奇異應力場隨材料常數變化規律，以及探討了在溫度載荷下的結合材料奇異應力場隨彈性常數變化的情況。
  13. We refer to the elements in the problem space and their representations in the solution space as “ objects

    問題空間中的元素和它們在解空間中的繼承被稱作"對象"
  14. Fortunately, we can solve this problem by using ap ( alternating projection ) algorithm, by this way ; the computational load can reduce dramatically. doa estimation is mostly research base on linear array, because of the limitation of linear, it can estimate the azimuth only ; solid array can estimate the azimuth and elevation, in this paper, the solid array is used for doa estimation ; when the signal sources are uncorrelated, the music algorithm is chosen, using mdl / aic algorithm, we attain the signal number of sources

    本文採用立體六元陣進行測向，在非相干信號源條件下，採用music演算法進行doa估計，採用基於信息論原理mdl準則或者aic準則判斷信號源數目，通過對陣列流形的研究，指出基於圓陣的陣列流形具有的某種對稱性，利用該對稱性來降低運算量，並且通過對演算法的研究，提出用維數較小的信號子空間或噪聲子空間來計算空間譜，進一步減小music演算法運算量。
  15. ( 2 ) based on the wave equation in the acoustic fluid space and the theory of thin - wall structure, the non - symmetrical coupled structure - acoustic dynamic equation without damping is studied. the non - symmetric system of the finite element model for coupled structure - acoustic response is solved by the conjugate subspace iteration method

    由聲空間波動方程和薄板理論出發，對聲場?結構耦合系統的模態分析提出了有限元數值方法，採用共扼子空間迭代法對非對稱特徵方程進行處理，採用靜凝聚法消除質量矩陣的奇異性。
  16. Change or differentiate the namespace only when you want to make a real, fundamental distinction that defines each element and attribute

    只有在希望對每個元素和屬性的定義進行真正的、本質的區別時才改變或者區分名稱空間。
  17. In this thesis, we adopt the technique of statistical training, create a sample database of every kinds of expression face images, construct a matrix of the difference of each sample and average image, and reduce dimension by pca, then decrease the relativity of principle components by ica, and therefore get the character sub - space of face. when detecting a face, we adopt the method of disturbing principle components of model to match special facial image, which is called whole optimization method in this thesis

    論文採用統計訓練的思想，選擇包括各種表情變化的人臉圖像建立樣本庫，取所有樣本與平均圖像的差構造一個矩陣，利用主元分析方法進行降維，然後通過獨立元分析降低主元相關性，建立了人臉的特徵子空間；演算法採取對主元進行擾動優化匹配的方法檢測人臉，本文稱此方法為全局最優的方法。
  18. There is no strict limit to the levels of nesting you can declare, but keep in mind that when other code accesses the elements declared in the innermost namespace, it must use a qualification string containing all the namespace names in the nesting hierarchy

    對于可以聲明的嵌套級別並無嚴格的限制，但請記住，當其他代碼訪問在最內部的命名空間中聲明的元素時，它必須使用一個包含嵌套層次結構中的所有命名空間名稱的限定字元串。
  19. Let h be an infinite dimensional complex hilbert space, b ( h ] the banach algebra of all bounded linear operators on h, and s ( h ) the space of all symmetric operators on h. let l be a real linear, weakly continuous rank one preserver of s ( h )

    設h是無限維復的hilbert空間， b （ h ）為h上的有界線性運算元全體組成的banach代數， s （ h ）為h上的對稱運算元全體
  20. In order to overcome the chattering phenomenon, a new approach with saturation boundary layer and adaptive variable structure control with twin - neuron ( avsct ) is proposed. the neuron adaptive psd intelligenc control algorithm is proposed for the first time in double adaptive neuron vsc controller and adopted method which separately adjusting learning rate in study of submarine combined maneuvering control system of near - surface

    針對變結構控制存在抖動的缺點，首次提出了用飽合邊界層和自適應雙神經元變結構控制器（ adaptivevariablestructurecontrolwithtwin - neuron簡稱avsct ）的設計方法，並將其應用於潛艇空間運動聯合控制系統中。
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