空間算符 的英文怎麼說

中文拼音 [kōngjiānsuànfú]
空間算符 英文
spatial operator
  • 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...
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 符 : Ⅰ名詞1 （符節） tally （with two halves made of wood bamboo jade metal issued by a ruler to gener...
  • 空間 : space; enclosure; room; blank; interspace
  1. For a system, hamiltonian is invariant under any translation of spatial coordinates.

    對於一體系，哈密算符在任何空間坐標變換下是不變的。
  2. On the basis of experimental research, this thesis applies 2 - dimensional non - linear finite element method to the analysis of transient temperature field on the section by means of relatively high precision triangular element of six joints. when the temperature field is analyzed, finite element reseaus are divided in space field and finite difference reseaus are divided in time field, and then the program is compiled. the computing results are in good agreement with the test data

    在試驗研究的基礎上，本文採用精度較高的三角形六結點單元對構件截面二維非線性瞬態溫度場進行了有限元分析，即在空間域內採用有限元網格劃分，在時間域內採用有限差分網格劃分，據此編制了計算程序，計算結果與試驗數據符合較好，程序穩定性好，精度滿足要求。
  3. The simulation can be divided into three processes sequentially : calculating the induced fission neutron rate of uranium and space distribution by mam - li neutron source, computing the total uranium fission neutron count rate and time distributions of 42 3he tubes, and calculating the neutron coincidence counting rate

    第一步，以ain ? li源為中子源，計算鈾的誘發裂變中子產生二率及空間分佈；第二步，以鈾的誘發裂變中子為中子源，計算化根』 ne管的總中子計數率及時間分佈；第三步，計算中子符合計數率。
  4. This thesis was divided into eight chapters, and the main results and innovations obtained here can be summarized as follows : ( 1 ) the physics model of tsrs in frequency conversion crystals has been built up firstly. based on quantum - mechanical viewpoints and the following physical processes and parameters : the two - photo interaction of light with matter, paraxial diffraction of stokes, langevin noise sources, reflection at the faces and the edges of crystals, gain coefficient, beam aperture, pulse width and fluence of 3, the physics model of tsrs in kdp and kdp crystals acting as high - fluence frequency convector and the paraxial operator maxwell - bloch - langevin equations have been built up

    全文共分八章，取得的主要成果及創新點如下： （ 1 ）首次建立了諧波轉換晶體的tsrs物理模型本文根據量子力學原理，在考慮如下物理過程和參量的基礎上：光與物質的雙光子相互作用； stokes光的傍軸衍射； langevin （郎茲萬）噪聲源；晶體表面反射和端面反射；增益系數、光束口徑、脈寬和三倍頻光能量密度，推導出高通量激光在kdp和kd ~ * p諧波轉換晶體中的tsrs物理模型和空間上的近軸算符maxwell - bloch - langevin方程組。
  5. This paper which starts from the actual needs, directed by the theory of cartology analyses all kinds of requires and functions for dmges, and create the spatial data model of the software system, combining the new generation programming technology, taking the oo software modeling, analysis, design method, it realized the collection, display of digital map data and the building of map denotation library, hi the end, this paper put forward the go - on research in future

    本文從數字地圖制圖的實際需要出發，在地圖學理論的指導下分析了數字地圖圖形編輯系統的各種功能和需求，並建立了軟體系統的空間數據模型。結合新一代的計算機程序設計技術，採用面向對象的軟體建模、分析和設計方法實現了地圖數據的採集、顯示、編輯、地圖符號庫的建立。最後提出了需要進一步研究和完善的內容。
  6. The dot operator specifies a member of a type or namespace

    點運算符指定類型或命名空間的成員。
  7. For the mesoscopic metal ring system in external magnetic field, supposing the system has a symmetry under translation in charge space, the quantum current and the quantum energy spectrum in mesoscopic metal ring are given by solving thire eigenvalue equations ; and the quantum fluctuations of the current and the energy have been calculated by the character of the minimum shift operator

    摘要針對處于外磁場中的介觀金屬環系統，假設在電荷空間中具有變換的對稱性，通過求解本徵值方程給出系統的量子電流、能譜關系；利用最小平移算符的性質等，計算介觀金屬環中電流和能量的量子漲落。
  8. For one - dimensional mesoscopic metal rings system in external magnetic field, supposing the system has a symmetry under translation in charge space, the quantum current relation in mesoscopic metal rings is given by solving the eigenvalue equation of the current, the property of quantum current have been investigated and analysed

    摘要針對處于外磁場中的一維介觀環系統，假設在電荷空間中具有變換的對稱性，通過求解電流算符的本徵值方程，給出系統中的量子電流關系，分析和研究一維介觀金屬環中量子電流的性質。
  9. In section 3, i introduce a new kind of two - mode bosonic realization of su ( 1, 1 ) lie algebra, on the basis of which the two - mode su ( 1, 1 ) coherent states in the two - mode fock space are derived

    第三部分引進一種新的雙模su （ 1 ， 1 ）李代數的玻色子算符實現形式，在此基礎上導出了在雙模fock空間上的雙模su （ 1 ， 1 ）相干態。
  10. And we obtain their annihilation operator and creation operator by improving canonical transformation to harmonic oscillator ' s annihilation operator and creation operator. more, we generalize supersymmetric harmonic oscillator space. in this space, we construct two kinds independent phase operators by improving supersymmetric annihilation operator and supersymmetric creation operator, and then obtain their eigenstates

    我們進一步將它推廣到用超對稱諧振子的產生算符和湮滅算符來構造適用於超對稱諧振子的雙摸相位空間里的二類獨立的相位算符並相應地求出了其歸一化的本徵態。
  11. On the one hand, we deduce the off - diagonal term of reduced density matrix is inner - product of two coherent states and we carry out decoherence in macroscopic limits in two special case, on the other hand, we delay decoherent time by controlling the interaction coefficient. in other part, we define two kind independent phase operators by improving two - mode squeezing coherent states in two - mode phase space and resolve their eigenstates

    在第二部分中，我們在雙模相位空間里利用雙模壓縮相干態所對應的算符定義二類獨立的相位算符並相應求出本徵態，而它的產生算符和湮滅算符是通過簡諧振子的產生算符和湮滅算符經過正則變換得到的。
  12. Except from the above achievements, the paper adopts two kinds of computational methods to analysis and compare, one is the spatial fem, the other is the cross direction supporting frame method. the results are present which the spatial fem can relatively accurately reflect stress of the practical structure, and which in spite of being convenient, the cross direction supporting frame method can lead to error while determining dimension of the cross bending str ess

    另外，還針對該橋箱室較寬的特點，分別採用空間有限元模型和橫向支承框架法兩種計算方法對橫向彎曲問題進行了分析研究。結果表明：空間有限元模型能夠較準確地反映出實際結構截面的受力特點，計算所得的結果基本符合實際情況。
  13. Reference to mpeg - 7 standards, mainly researches feature extracting schemes of video visual information. it includes histogram refinement in rgb color space, histogram in hsv color space, color coherence vectors algorithm and homogeneous texture descriptor extraction algorithm

    論文中主要研究的視覺特徵提取方法有： rgb顏色空間的改進直方圖法、 hsv顏色空間的直方圖統計、顏色相關向量法和提取同類紋理描述符演算法。
  14. Simulation results for non - isothermal flow pass plate have been shown. the spatial correlations in a fluid subjected to an external temperature gradient have been computed by using cellular automata simulations of a simple lattice - gas model with temperature. but, this theory is found limitedly applied to mechanics

    並給出了平板非等溫流體繞流流動現象的模擬結果；通過採用一個含有溫度的簡化格子氣模型，用細胞自動機方法，模擬計算了服從于外部溫度梯度的二維流體中的平衡與非平衡空間相關函數，數值結果表明：該方法的計算結果和由漲落流體動力學理論的預言在是性上是完全符合的； bernsdorf等人用ca討論在復雜障礙物情況時的流體流動問題。
  15. We define the map n from plane to symbolic space, and define its inverse map x using milnor ' s operator. we show that the symbol sequences with same tail ( resp

    首先介紹了t l映射的符號動力學，定義了從平面到符號空間的映射冗，還通過milnor運算元，定義了它的逆映射（
  16. Research on the sufficient and necessary condition of hermitian operator in the limitless space

    無限維空間中厄米算符的充要條件
  17. The data used in the risk assessment of regional natural disasters imply the information not only on time but also on space. when the spatial information of the data is incomplete, it is necessary to optimize the data in order to reduce the error of the assessment. in the counterpart of the paper in last issue of the journal the theoretical investigation of the problem was carried out and the imcomplete information occured in risk assessment of regionalnatural disasters were class ifiedinto two types with treatment of interpolation model and correcting model res pectively. the former model is for insufficiency of the data and the later is for the case in which the accuracy of the data is not enough. inthispaper, taking the flood sustained by rural area plant in hunan province as an example, it is explained how to use the models to calculate. the models are examined as well

    區域自然災害風險評估中所用的數據不僅具有時間的意義，而且具有空間的意義，當數據的空間信息不完備時，需要對其進行優化處理，以減小風險評估的誤差，作者在本刊上一期的一篇文章中已進行了這方面的理論探討，將區域自然災害風險評估中所遇到的空間不完備信息分為兩類，分別用插補模型和校正模型進行了處理，插補模型是針對空間數據缺失情況的，而校正模型是針對空間數據不符合精度需要情況的，本文以湖南省農村種植業水災為例，進一步說明如何應用這些模型來進行計算，並對其進行了檢驗
  18. So a fast pattern matching algorithm on mass string assemble has been proposed to solve the problem of fuzzy matching between a string pattern and a string assemble. to make the algorithm cost - effective in space and time, we have developed an optimized trie - tree structure to store the string assemble and introduced the knuth - morris - pratt ( kmp ) and finite - automata ( fa ) string matching thought to our algorithm. the algorithm has been describled in details and the cost of space and run time has been analized in the thesis

    為了實現漢字輸入碼的不完整輸入，解決帶有模糊輸入符的字元串模式與一個字元串集合之間的匹配問題，論文在第三章提出一種海量字元串集合的模式匹配演算法，給出了演算法的具體實現和復雜度分析，並且提出一種優化的檢索樹結構來存儲字元串集合以節省內存空間。為了提高演算法的運行速度，演算法還引入了kmp模式匹配和有限自動機匹配的思想。
  19. Secondly, based on the shortage of full - image histogram, this thesis presents block histogram algorithm. thirdly, we study the image retrieval algorithm of color pair, and make the retrieval image having color similarity in space. finally, we apply hsv color - space corresponding to human visual characteristics to image retrieval, make use of human feeling on color to quantify the color weight, and analyze the two quantization methods

    首先，對獲得的圖象進行預處理，使得圖象的顏色特徵能夠準確而方便的提取；其次，針對全圖直方圖的不足，提出了基於子塊直方圖的演算法；再之，在子塊直方圖的基礎上，研究了基於顏色對的圖象檢索演算法，使檢索結果圖象在空間上具有顏色相似性；最後採用了符合人類視覺特性的hsv顏色空間來進行圖象檢索，並利用人對顏色的感知對顏色分量進行了量化，對兩種量化方法進行了研究和討論。
  20. What the practical problems is often gotten is a single variable time series which has a time interval of t, reflect by a lot of interactive physics factor, containing the mark of all variates participating in movement, traditional time series analysis is to analyse going from this array to the form directly it ' s time develops, one dimension analysis loses useful information, the characteristics of phase space reconstruction method is to construct one dimension scalar quantity to high dimension vector, prop the geometry space of the state, show all dynamical information of system in phase space. the characteristic that just constructs again according to the phase space in this text, analyse the time series of responding, use the relevant knowledge of symbol dynamics and reconstruct phase space, put forward a kind of relation degree analysis method of the systematic mathematics model which has theory basis, so reach the correction of calculation mathematics model, make it accord with the actual systematic state

    實際問題中常常得到的是一個時間間隔為t的單變量的時間序列，它是許多物理因子相互作用的綜合反映，蘊藏著參與運動的全部變量的痕跡，傳統的時序分析是直接從這個序列去形式地分析它的時間演變，一維分析必然喪失許多有用信息，相空間重構方法的特點是把一維標量數據構造成高維矢量，支起狀態的幾何空間，在相空間中展示系統全部動力信息。本文正是根據相空間重構的特點，對響應時間序列進行分析，利用符號動力學、重構相空間等方法，提出一種有理論依據的系統數學模型關聯度分析方法，從而達到修正計算數學模型，使其更符合實際系統狀態的目的。
分享友人
分享到 Line

分享到臉書