virtual field 中文意思是什麼

virtual field 解釋
虛擬數據項
  • virtual : adj. 1. 實際上的,實質上的,事實上的。2. 【物理學】虛像的。3. 【物理學】有效的;【計算機】(網上)虛擬的。4. 〈古語〉具有可產生某種效果之內在力的。
  • field : n 菲爾德〈姓氏〉。n 1 原野,曠野;(海、空、冰雪等的)茫茫一片。2 田地,牧場;割草場;〈pl 〉〈集...
  1. Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method, and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software, simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell, realizing the audibility of the noise, using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box, and completing the whole simulation process of the vibration noise of the gear box

    綜合介紹了邊界元法在聲輻射問題上的理論及應用;並給出了運用邊界元法分析軟體求解振動聲輻射問題的過程。闡述了有限元法和邊界元法的耦合理論及組合分析方法,並以封閉鼓形薄殼為分析對象進行了相應的分析。利用數字計算軟體編制了噪聲數據模擬程序,並模擬了通過組合方法分析封閉鼓形薄殼瞬態響應聲場而獲得一關鍵點的聲壓數據,實現聲音的可聽化,隨后通過虛擬現實工具實現了該情形下橢球殼振動噪聲的虛擬模擬。
  2. Research on optimization of firing stability of field gun based on virtual prototyping technology and sensitivity analysis

    基於虛擬樣機技術和靈敏度分析的地面火炮射擊穩定性優化研究
  3. Virtual studio system, which is a hotspot research area in video frequency production field nowadays, its mostly research content is : shoot the histrionic " s perform in blue box, then by using chroma key, synthesize it with virtual scene produced by computer

    虛擬演播室系統,是當前視頻製作領域的一個研究發展的熱點,其主要研究內容是:在藍箱中拍攝演員的表演,然後通過色鍵將之與計算機製作的虛擬場景合成。
  4. Many scientists and mechanists, such as euler, prager, green, ericksen, hill, truesdell, eringen, made great contribution in this field and developed a general theoretical system. however, there still remain a lot that should be further investigated. this thesis discusses the linear theory of field of elastic solids subjected to additional deformation, and the corresponding virtual work equations and the displacement - based variational principle

    本文第一章述評了由euler開創的,經prager 、 green 、 ericksen 、 hill 、 truesdell和eringen等學者發展並成功應用的附加變形或運動的思想,作為后續各章的基礎。
  5. It has been shown that : the little indentation which represents the quantum noise of the system appears in the evolution curves ; the quantum noise which is caused by virtual photon field gradually becomes weak when w increases, the quantum noise increases when n increases ; the virtual photon process make the antibunching effect strengthen, make the squeezing degree deepen obviously, and lead to the additional vibration of entropy, the oscillation extent of the additional vibration of entropy increases when n increases and decreases when co or g increase. besides, the quantum dynamics of two coupling atoms interacting with a single mode ligh t field in a kerr medium is studied in this paper ; the influences of the kerr effect on the mean photon number, the degree of second order coherence of field, the evolution of the field entropy and the squeezing effect are also discussed

    )的增大,量子噪聲分別減小和增大;虛光子過程使光場的反聚束效應增強,使光場的壓縮程度明顯加深,並引起了附加的「熵振蕩」 ,這種附加「熵振蕩」的幅度將隨著光場初始平均光子數( ? )的增加而增大,隨著光場頻率和原子間耦合系數g的增大而減小。本文還研究了充滿kerr介質腔中「耦合雙原子-單模光場」相互作用系統的量子動力學性質,研究了克爾效應對場的平均光子數、二階相干度、場熵演化特性及光場壓縮效應的影響。
  6. With the fast development of the technology in virtual reality, the field using this technology is extend to more trade from few industry early, such as the film industry and the aeronautics and astronautics industry

    隨著虛擬現實技術的發展,虛擬現實技術應用領域從最早的影視娛樂業、航空航天等少數幾個領域,不斷擴展到更為廣泛的領域。
  7. This dissertation applies virtual instruments technique in the field of servo valve cat for the first time and makes a servo valve static and dynamic state characteristic test bedstand based on virtual instruments. relevant theories and methods are also studied

    本文首次將虛擬儀器技術應用在電液伺服閥cat領域,研製出一套基於虛擬儀器的電液伺服閥靜、動態特性測試綜合實驗臺,並對電液伺服閥靜、動態特性測試的有關理論及方法進行了研究和探索。
  8. First, in virtual of identification of flaws is a typical of in - verse problems, proceeding from time - harmonic electromagnetic maxwell ' s equa - tion and helmholtz equation, the uniqueness and existence of direct scattering problems including the numerical algorithms of diverse of boundary conditions is given. second, the uniqueness and existence of inverse scattering problems and the theory of ill - posed integral equation are briefly looked back upon. finally, indicator function method for boundary identification is set up under all kinds of boundary conditions for inverse scattering of homogenous and inhomogenous objects, meanwhile, the proof of possibility for near - field measurements and nu - merical simulation are given

    由於缺陷的識別是一類典型的反問題,因而首先從時諧電磁maxwell方程和helmholz方程出發,具體地闡述了求解正散射問題的有關方法,包括各種(夾雜)邊界條件下的數值解法,就解的存在性唯一性給予了肯定的回答;隨后對逆散射問題的理論作了簡短的回顧,包括解的唯一性以及非線性不適定積分方程的處理等;然後對均勻介質和非均勻介質的逆散射問題建立了在各種邊界條件下的邊界識別的指示函數方法,鑒于近場數據獲得的重要性,對近場測試時邊界識別的方法給予了相應的證明,並且實現了數值模擬。
  9. Test result shows that virtual balancing results agree with those of experiment, and can be effectively utilized to simplify the field balancing procedure to the utmost

    實驗驗證了虛擬動平衡提出的最優平衡方案,該方法可最大限度地降低旋轉機械繫統實際動平衡過程的啟動試機次數。
  10. The finite element analysis of 3d seepage field for surrounding rock mass of cavern groups of underground powerhouses was performed based on the nodal virtual flux method for solving the non - pressure seepage field and the improved drainage substructure technique for accurately simulating the complex seepage behaviors of densely distributed drainage holes, with emphasis placed on the seepage properties of the anti - seepage concrete curtain and drainage curtain in the anti - seepage and drainage system

    摘要在求解無壓滲流場結點虛流量法的基礎上,結合可精細模擬密集排水孔復雜滲流水力行為的改進排水子結構技術,付某地下廠房廠區洞室群圍巖區三維滲流場進行了有限元求解分析,著重研究了防滲排水系統中的帷幕和排水幕的滲流特性。
  11. In the field of architecture, the virtual reality technology is most mainly use as illustrational tools

    虛擬現實作為表現工具是它在建築領域的主要用途。
  12. Starting from the basic concepts and theory and following the track of history development of architectural illustration, in the first chapter of this thesis we introduces the application of virtual reality, which is the ultimate development of architectural illustrational tools, in the field of architectural illustration

    本文第一章從建築表現的基本概念和理論出發,循著建築表現媒介工具的歷史發展軌跡,論述了建築表現媒介工具的最終發展? ?虛擬現實技術在建築表現中的應用。
  13. Firstly, based on the present research all over the world, a 3d quasi - single phase model is built together with k - equations. the special feature of this model is taking account of the influence of interaction between liquid and gas, that is to say, the influence of interphase drag force, lifting force perpendicular to the relative velocity, virtual mass force and gas or liquid volume fraction in the fluid field have been considered. a 3d two - fluid model is also built in order to describe more accurately the fluid flow on distillation trays by comparing the computational results of quasi - single phase mathematical model with of two - fluid mathematical model

    本文在國內外已有的研究基礎上,首先建立了以k - (封閉模型為基礎的三維擬單相流模型,該模型的特點在於充分考慮了氣液兩相間相互作用的影響,即計入了相間曳力、橫向升力、虛擬質量力和氣、液相含率對流場的影響;並建立了塔板三維雙流體模型,主要目的是通過對比擬單相流數學模型、雙流體數學模型的計算結果,建立能夠準確描述塔板上流體流動的數學模型。
  14. According to dynamical characteristic of the bubble motion in the flow field, and under the assumptions of isothermal system without interior heat source, uniform bubble size, and ignoring surface tension, the mathematical expressions for interfacial momentum exchanges have been deduced which include drag, virtual mass force, and lift

    針對氣液泡狀流中氣泡運動力學特性,在系統絕熱、無內熱源、忽略表面張力、氣泡尺寸均一前提下建立了氣液相間曳力、虛質量力、升力的數學模型表達式。
  15. The radial high current forms the virtual cathode in the reflected high frequency field, which further modulates the emitted electron beam

    徑向強流電子束在徑向反射場中會形成虛陰極振蕩,單獨的虛陰極振蕩產生的微波效率低。
  16. Some methods are totally new for us, for example, assignment groups are reorganized every weekly according to the strong points of each member, so as to cultivate their abilities to cooperate and fulfill their tasks ; three evaluations will be made for each class activity and after - class assignment, that is, self - demonstration and evaluation, classmates questioning and evaluation, as well as trainers evaluation ; trainees are organized to have an on - line experience of the virtual learning community ; and there are many other teaching methods like situation simulation, panel discussion, field survey, etc

    課堂上安排的教學內容很緊湊,教學形式多種多樣。一些教學方式對於我們是全新的,比如:每周都根據大家的特長重新組合作業小組,鍛煉所有成員之間相互協作完成任務的能力針對每次完成的課堂練習和課後作業都有三次評價:自我演示和評價同學質疑和評價教師評價在線體驗虛擬學習社區及其他各種教學方法如情景模擬小組討論實地考察等。
  17. As a result, the studying aim of this paper is to establish a practical and complete system for the prediction of ship maneuvering motion, taking into account of the influence of the environmental factors, such as the wind, wave and current, establish a practical and complete system for the prediction of ship maneuvering motion. in this paper, the opengl virtual reality simulation technique is introduced into the field of ship maneuver and control, and using the mmg mathematical model, the three dimensional dynamic simulation system of the ship motion is established and good results are achieved. in the process of the system development, firstly, the maneuvering motion equations for ship in the still water are established, based on the mmg module mathematical model and serial experimental result

    在系統開發過程中,首先採用mmg分離式數學模型及相關的系列化試驗結果,建立單槳單舵海洋運輸船舶在靜水中的船舶操縱運動方程,並編制計算程序,經與試驗結果比較,證實了計算結果的正確性;為了解mmg數學模型中模型參數變化對操縱性指數的影響程度,作者在上述已有程序基礎上,對有關模型參數進行偏移修正,探討了相應參數變化后的操縱性指數,對船舶操縱性指數對模型參數的靈敏度進行了詳細的分析與探討,所得結論與工程實際相吻合,具有實際應用價值,並為進一步提高船舶操縱性預報的精度打下了基礎;然後,在已有的船舶靜水操縱運動模型基礎上,考慮雙槳雙舵的影響,建立了內河雙槳雙舵船舶的操縱運動模型;最後,綜合考慮風浪流作用力的影響,進行了船舶的操縱運動模擬計算。
  18. A virtual living textbook of fashion creation, history and marketing, it utilizes the enormous range of assets available in paris, the fashion capital of the world. students are taken beyond the surface glamour and exposed to the day - to - day workings of the industry. from an honest, generous and open vantage point the doors into this exciting and intoxicating world are thrown open to the student, with field trips to venues which reveal a multitude of possibilities pertinent to the fashion industry amongst the studios, couture houses, designer showrooms textile mills and press offices

    Mod art擁有多樣化的專業課程,教學部分分成5個系:時裝預科及藝術預科系,時裝設計系,時裝製作系,時裝附件系帽子首飾皮革製品鞋靴等,時裝管理系時裝商學院.為保證學生被提供教學項目的質量能適應經濟的發展,學校還設有專門的學術委員會以確定各階段的教學,科研方向及項目評估政策,從而保證完善的教學質量
  19. Bases on living mode in the digital era, with digital technology " s application in architecture field and its effects on traditional architecture system as main line, through analyzing and comparing the relation between virtual space and physical space, this article discusses the transformation of architecture concept from physical space to virtual space and its developing trend. it also discusses some of the features of virtual space

    本文以人們在數字時代的生存模式為基點,以數字技術在建築領域中的應用和對傳統的建築體系的影響為主線,通過分析和比較虛擬空間和實體空間之間的關系,討論了建築概念由實體空間向虛擬空間的轉變和發展趨勢,同時也就虛擬空間的某些特性作了一定的論述。
  20. The virtual field activity is smart enough to know that if a record is changed on cluster server a, it does not need to be changed on any other server in the cluster as long as a virtual fields activity is running for that database and form on the other servers

    Virtual field活動聰明到可以知道,如果一條記錄在集群服務器a上被更改,則無需在集群中任何其他服務器上進行更改(只要數據庫和表單的virtual fields活動運行在其他服務器上) 。
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