域運運算元 的英文怎麼說

中文拼音 [yùyùnyùnsuànyuán]
域運運算元 英文
domain operator
  • 域 : 名詞（在一定疆界內的地方; 疆域） land within certain boundaries; territory; region
  • 運 : Ⅰ動詞1 （物體位置不斷變化） move; revolve 2 （搬運; 運輸） carry; transport 3 （運用） use; wield...
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 運算 : [數學] operation; arithmetic; operating
  1. Second, we discuss composition operators on bloch space with closed range. by using a distortion theorem of bonk, minda and yanagihara about bloch functions, we obtain the sharp estimation of the lipschitz continuity of the dilation of bloch functions. then, we improve a theorem of ghatage, yan and zheng about composition operators on bloch space with closed range

    其次研究了bloch空間上有閉值域的復合運算元，先利用bonk 、 minda和yanagihara關于bloch函數的一個偏差定理，得到bloch函數伸縮率的lipschitz連續性的精確估計式，用這個估計式改進了ghatage 、 yan和zheng關于bloch空間上關于有閉值域的復合運算元的一個定理。
  2. It is perhaps worth a short digression to discuss the possibility of the range of an operator not being closed, and its consequences.

    在此值得稍離本題討論運算元的值域非閉的可能性及其推論。
  3. Moreover, aiming at the location of inclined license plate, we have proposed the algorithm based on gray changing characteristic and orientation field. in this section, we discussed in detail the application of mathematical morphology operator in rough locating objective region and introduced the theory and realization method of orientation field. then we used it to detect inclined angel of objective region, finally we can precisely locate and emendate the inclined license plate based on detection result, and so we provided the favorable foundation for segmenting character

    此外針對傾斜車牌區域的定位分割問題，提出了基於灰度變化特性和方向場計算的定位演算法，其中詳細討論了數學形態學運算元在目標區域粗定位中的應用，重點介紹了方向場計算理論和實現方法，並將其應用於目標區域傾斜角度的檢測，根據檢測得到的結果進行了傾斜車牌區域的準確定位和校正，為后續的字元分割打下良好的基礎。
  4. Ranges of perturbed maximal monotone operators in banach spaces

    空間中極大單調運算元擾動的值域
  5. The chimera embedding technique is presented for the external store separation configuration. it divides the whole region into many subdomains. euler equations are used for every subregion with the finite volume method

    本文採用嵌套網格技術，將飛機投放外掛物的模型分成多個計運算元域，對飛機投放外掛物的復雜外形進行了分區迭代求解。
  6. The simulation of these particular systems is based on a fractional integrator where the non - integer behavior acts only on a limited spectral band

    這種特殊系統的模擬建立在有限頻率區間非整數階積分運算元的基礎上，其非整數階作用僅限於有限頻率區域。
  7. The proposed algorithm used adaptive operators for every sub - band to suppress these energy - concentrated coefficients on the block boundary to reduce blocking artifacts in space domain

    通過為各個子帶設置自適應操作運算元去抑制塊邊界系數能量聚集現象，使得空域中的塊效應得到消除。
  8. 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。
  9. In the fourth chapter, several methods for handling constrains by genetic algorithms for nonlinear programming problems are introduced. these methods were grouped into four categories : methods based on preserving feasibility of solutions, methods based on penalty functions, methods which make a clear distinction between feasible and infeasible solutions and other hybrid methods

    在第四章中介紹了處理約束的四類方法：運算元修正法，罰函數法，可行域搜索法，以及混合遺傳演算法，並對這些方法做了詳細的分析，指出了他們優劣之處。
  10. By employing the theory of operator representation, the reflection / transmission operator is decomposed into the form of double domains in the scheme, so it is adaptable to laterally heterogeneous media and fluctuating reflectors, can mimic ava of reflections when the incident angle is less than 45

    文中利用運算元可分表示理論將反射透射運算元分解成適合於雙域（空間域和波數域）運算的表達形式，使得本文得到的地震波數值模擬演算法可適應於一定程度橫向非均勻介質和界面起伏情況，在入射角小於45時能夠準確模擬振幅隨入射角（ ava ）的關系。
  11. Program : to present new research results in the representation theory of finite and infinite dimensional algebras, lie algebras, algebraic groups, quantum groups, superalgebras, vertex operator algebras, and related applications to other fields of mathematics and physics

    會議內容:這次會議將交流我國及世界其它國家在以下領域中的最新研究成果:有限維及無限維結合代數的表示理論;李群，李代數，代數群，有限群，以及量子群的表示理論;頂點運算元代數及其表示理論;與以上表示理論有關的數學物理及量子場論
  12. In the second chapter, the kdv type equation on unbounded domain is considered. applying with the method of decomposing operator and the theory of constructing some compact operator in weighted space, the existence of exponential attractor is obtained

    在第二章中，運用帶權空間構造一類緊運算元和運算元分解的方法，研究了無界區域上的kdv型方程，得到了該方程指數吸引子的存在性
  13. The recognition of the global nature of propagators as the difficulties " physical genesis led researchers to develop and investigate propagation methods based on the expansion of the total field by sets of spatially confined wave functions, or in other words, to construct localized wave field propagators instead of the traditional global propagators

    認識到全局性傳播運算元在波場外推中的困難，近二十年來，許多研究都致力於發展基於波場局部空間分解的局域化傳播運算元以替代傳統的全局運算元。
  14. In this paper, a " step - by - step " recursive 3 - d frequency - space wed scheme is presented to deal with real data

    本文採用三維頻率空間域有限差分波場延拓運算元以「逐步累加」的方式實現了三維波動方程基準面校正，並對實際數據進行了處理。
  15. In term of analyzing and summarizing the existing achievement, propose an advanced and practical wavefield extrapolation operator and arithmetic of forward modeling and migration, which obtain numerical simulation and analysis completely and systemically and exploited new field of fractured reservoir seismic wavefield numerical simulation and applicationin in frequency - wavenumber domain

    在總結、分析前人研究成果的基礎上，提出了具有前瞻性和實用性的波場延拓運算元與正演、偏移演算法，較系統全面地進行了數值計算與分析，開辟了頻率?波數域縫洞儲層地震波場數值模擬與應用的新領域。
  16. Comprehensively discuss the issues in application, adaptive condition and performance, propose a fast arithmetic of forward modeling and depth migration in common shot gathers with one - way acoustic wave equation based on vrselrf, and verify the arithmetic by numerical simulation. concisely discuss the cause of the creation of evanescence and the problem of lateral amplitude discontinuity result from it. fourthly, use the reflectivity model, computed to describe the fracture model, with the formula of computation reflectivity based on elastic - acoustic approximation, and the wavelet model computed by the method, wavelet creation with fourier transform, we proposed, in conjunction with vrselrf wavefield extrapolation operator

    第三，將頻率波數域穩定的變參考慢度rytov近似廣義屏波場延拓運算元（ vrselrf ）應用於疊前與疊后正演模擬、疊前與疊后深度偏移，對演算法應用中應注意的問題、適用范圍、性能等作了較為全面的論述；提出了基於vrselrf的單程聲波方程共炮記錄正演模擬和深度偏移快速演算法，並通過數值模擬試驗對演算法進行了驗證；簡要地討論了倏逝波的產生原因及其帶來的橫向振幅不連續性問題。
  17. The paper concentrates on seismic wave - field forward modeling and migration for the fractured reservoir. it researches the wavefield extrapolation operator for lateral variation of velocity, design four theoretical models and seven practical models with fracture and cavity. base on the progenitor, in the frequency - wavenumber domain with the pspi wavefield extrapolation operator and arithmetic of forward modeling and migration that applied lateral variation of velocity which is strong, the paper obtains the result of numerical simulation and the wavefield characteristic by the way of the forward modeling and depth migration of poststack seismic wavefield

    本文圍繞縫洞儲層地震波場正演與偏移問題，研究了適用於橫向變速波場延拓運算元，建立了四個理論的縫洞模型和七個實際的縫洞模型，在總結、分析前人的研究成果的基礎上，利用適合橫向速度劇烈變化的相移加插值的波場延拓運算元，在頻率?波數域對上述的地質模型進行正演、偏移處理，最後得到了縫洞儲層地震波場的一些特徵。
  18. Author, starts from the one - way wave equation of wavefield extrapolation, research the relationship and transform condition of wavefield extrapolation operators, and propose the steady variational reference slowness rytov approximation general screen wavefield extrapolation operator ( vrselrf ) which can adapt severe lateral velocity variations, in frequency - wavenumber domain, and the improved wavefield extrapolation scheme, also give the method to improve the computation efficiency. the achievement establishes the theoretic basis of the whole research

    首先，從波場延拓的單程波方程出發，系統地研究了頻率波數域的波場延拓運算元之間的相互關系和轉換條件並在此基礎上提出了能適應劇烈橫向變速的頻率波數域穩定的變參考慢度rytov近似廣義屏波場延拓運算元（ vrselrf ）和部分波場延拓改進方案及提高運算效率的措施，為整個研究打下理論基礎。
  19. Abstract : the image of arc zone of flux - cored underwater wet welding was developed with underwater ccd camera system and composed filter technology. the discussion is mainly focused on the theory of edge detection. an image edge detection method based on median filter and grads algorithm was developed to detect the arc burning zone and arc bubble zone efficiently, which laid the foundation for further analysis of underwater wet welding arc mechanism and process control

    文摘:通過復合濾光技術和水下ccd攝像系統，採集出了藥芯焊絲水下濕法焊接電弧區域圖像，重點論述了邊緣檢測理論，確定了基於中值濾波和梯度運算元的電弧區域圖像邊緣檢測方法，有效地區分了電弧燃燒區域和電弧氣泡區域，從而為水下濕法焊接電弧的機理分析及水下焊接過程式控制制奠定了基礎。
  20. In the last part : the emphasis is put on the relations between the numerical range and operator completion problem

    第三部分：研究了數值域與運算元補問題。
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