operator domain 中文意思是什麼

operator domain 解釋
運算元域
  • operator : n 1 操作者,機務員;司機,駕駛員;【軍事】電話兵;【電話】接線員,話務員(=telephone operator)...
  • domain : n 1 領土,版圖;領地。2 管區,勢力圈;(特定動物等的)生長圈;(學問、活動等的)領域,范圍;【物...
  1. 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
  2. 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。
  3. 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。
  4. 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。
  5. A blended transform domain watermarking based on multi - value sequence modal operator

    基於多值序列模運算的混合變換域水印
  6. Professor guo dajun has summarized in his work [ 7 ]. such several important tasks and theirs application of nonlinear functional analysis as typical nonlinear operators, hammerstein integral operations, ordinarily and partially differential equations. the cone theory, the positive solutions of nonlinear operator equations, the number and the branch of solutions, and so on. reference [ 1 ] includes all levels of results of the domain such as nonlinear functional analysis

    郭大鈞先生在專著[ 7 ]中對非線性泛函分析的幾個重要課題及其應用,諸如典型的非線性運算元、 hammerstein積分方程、常、偏微分方程、遷移方程、錐理論及非線性運算元方程的正解、非線性運算元拓撲度和不動點定理以及固有值、解的個數與分支,都做了系統的概括和總結
  7. Author, secondly, starts from the approximate expandness of square root operator, perform mathematical calculations for finite difference operator in frequency - space domain, fourier finite difference operator in mixing domain ( frequency - space and frequency - wavenumber domain ) and general screen operator in mixing domain, compare and discuss their precision of their wavefield, adaptability for lateral velocity variations, computation efficiency and stability. thirdly, author, applies the steady variational reference slowness rytov approximation general screen wavefield extrapolation operator ( vrselrf ) in frequency - wavenumber domain, to the prestack and poststack forward modeling and depth migration

    第二,從平方根運算元的近似展開出發對頻率?空間域的有限差分運算元、混合域(頻率?空間域;頻率?波數域)的fourier有限差分運算元、混合域的廣義屏運算元進行了推導並對其波場描述精度、對橫向變速的適應性、計算效率和穩定性進行了比較與評述。
  8. To solve the problem of watermark encryption, a novel permutation operator is proposed, based on which the permutation scheme and the substitution scheme for watermark encryption are designed ; encryption algorithms in spatial domain and transform domain are proposed. the ciphered image can be jpeg compressed before it is transmitted, and low - distortion plain image can be obtained after decrypting the compressed encryption image

    為解決水印信息加密問題,我們在第三章提出混沌有序化運算元方法,設計了水印信息加密的置亂模塊和替代模塊;還給出了空間域和變換域數字圖像加密演算法,密文圖像可以經過有損壓縮再傳輸,經過解密得到低失真的明文圖像。
  9. The delta operator is introduced to the h9 filter problem of discrete system, which is significant for the anti - disturbance of the high - speed sampled system. in the delta domain system, the coefficient of the gain matrix of the estimator is approaching to that of the continuous - time system. which not only guarantees the stability and the performance of the system but also avoids the also avoids the defects the z domain when the sampling periods is approaching to zero

    濾波問題中,這對于高速采樣系統的抗干擾及狀態估計具有很大的理論及實際意義,當采樣周期趨近於零時,估計器的反饋增益矩陣及閉環極點趨近於連續系統的反饋增益矩陣及閉環極點,從而可以採用離散的設計方法獲得連續系統的性能,既保證了系統的性能及穩定性,又避免了z域內設計的缺點。
  10. Several variants of the " frame domain verification " vulnerability, which could enable a malicious web site operator to read, but not change or add, files on the computer of a visiting user

    訊框網域驗證frame domain verification弱點的數種變化,當使用者正在瀏覽網站時,惡意網站操作員會利用這項弱點讀取使用者電腦上的檔案,但不能變更或新增檔案。
  11. The problem of controller based on time domain performance index using 8 operator theory is discussed in this paper. relation among s domain, z domain and s domain is given. the process of design is showed by an example

    給出了s域、 z域與delta域之間的極點映射關系並推導了二階系統的s域對應的delta域的特徵多項式,並用一個實例說明了控制器的設計過程。
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