virtual phase 中文意思是什麼

virtual phase 解釋
虛擬相位
  • 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。
  • phase : n 1 形勢，局面，狀態；階級。2 方面，側面。3 【天文學】（月等的）變相，盈虧；【物、天】相，周相，...
  1. The third, after theoretically analyzing, the following practicable methods are put forward : 1 ) automatically pick - up the synchronous information by analyzing the spectrum of intercepted video - leaking information ; 2 ) realizing the phase lock and the electronic image stabilization by integral - projection and differential - positioning ; 3 ) improving the effect of accumulation mean filter and the pectination filter by using electronic image stabilization ; 4 ) automatically adjusting image acquisition parameters by detecting the image entropy, therefore the quality acquired image is improved ; 5 ) to realize the quantitative test of a leaking extent, a standard test picture was designed. finally, a proto type for leaking information processing based on our techniques mentioned above and the virtual instrument principle was designed and tested

    在理論分析的基礎上，提出了以下的實用技術： 1 ）用譜分析方法從截獲的信息中自動提取同步信息； 2 ）用積分投影、微分定位的方法進行相位檢測，實現可靠的鎖相和電子穩像； 3 ）將電子穩像技術用於重加濾波和梳狀濾波的濾波方法，改進了濾波效果； 4 ）通過檢測圖像信息熵實現圖像採集參數的自動調整，改進了圖像採集的質量； 5 ）設計了用於儀器定標的標準測試圖，可以對泄漏信息進行定量檢測。
  2. The devices for detecting phase - to - ground fault in ineffectively grounded systems are seldom functionary at present. based on thousands of experiments in high - voltage laboratory in north china electric power university, the reasons for misjudgment and the effective measures to avoid it are presented in this paper : to change pt connection form to prevent from ill - effects of ferro - resonant overvoltage ; to increase soft measures to resist against interference ; to adopt neural network method to obtain the virtual value of the detect way

    依據上千次實驗，我們找到了一些導致選線誤判的影響因素，並提出幾點防止誤判的措施，包括改變pt接線方式，避免鐵磁諧振對選線的影響；通過對故障檢測方式的處理和使用連續判斷技術增強裝置的軟體抗干擾能力；嘗試採用神經網路演算法設定選線方法的有效域等。
  3. 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。
  4. An algorithm for detecting moving ir point target in complex background is proposed, which is based on the reverse phase feature of neighborhood ( rpfn ) of target in difference between neighbor frame images that two positions of the target in the difference image are near and the gray values of them are close to in absolute value but with inverse sign. firstly, pairs of points with rpfn are detected in the difference image between neighbor frame images, with which a virtual vector graph is made, and then the moving point target can be detected by the vectors ' sequence cumulated in vector graphs. in addition, a theorem for the convergence of detection of target contrail by this algorithm is given and proved so as to afford a solid guarantee for practical applications of the algorithm proposed in this paper. finally, some simulation results with 1000 frames from 10 typical images in complex background show that moving point targets with snr not lower than 1. 5 can be detected effectively

    基於運動點目標在鄰幀差分圖像中所具有的近鄰反相特徵，即運動點目標的兩個位置相鄰近、灰度值一正一負，提出一種在復雜背景下，基於紅外序列圖像的運動點目標檢測演算法.本演算法利用該特徵在鄰幀差分圖像中檢測反相點對，進而構造反相點對矢量圖，最後依據累積反相點對矢量圖中多矢量首位相接的連續性檢測出運動的點目標.文中給出並證明應用本演算法能以概率1檢測到運動點目標的收斂性定理.對典型復雜背景下10幅1000幀圖像的模擬結果表明，當信噪比大於或等於1 . 5時，可以有效檢測出運動點目標
  5. Application of virtual grating phase - shifting moir 233 ; fringe method to angle departure evaluation of optical components

    用虛光柵移相莫爾條紋法測量光學元件的角度偏差
  6. The ipsa model solves the navier - stokes equations of each phase with the interphase interactions between two phases of water and air, including the interphase drag forces, interphase lift forces, interphase pressure and virtual mass forces

    Ipsa模型對每一相求解n - s方程，並考慮水-氣體兩相間的相間相互作用，包括相間阻力、相間升力、相間壓力和虛質量力。
  7. Based on the above chosen scheme, the dissertation researches the principle and method of phase calculation. and after the comparison of various principles, the dissertation chooses a method that is suitable to the instrument. finally, a virtual phaser is designed and developed

    基於上述確定的方案，論文深入研究了鑒相原理和方法，並在對各種鑒相原理進行比較后，確定出適合該儀器的方法，最後設計出虛擬式鑒相器。
  8. The model of fpsa ( inter - phase slip algorithm ) provided in phofvmcs, the software used in computational fluid dynamics, which solves the navier - stokes equations of each phase with the interphase interactions between two phase of water and air, including the interphase drag forces, interphase lift forces, interphase pressure and virtual mass forces, is employed with the difference scheme of upwind and the orthonormal grid

    計算採用由phoenics （計算流體力學軟體）的ipsa （相間滑移演算法）模型，應用upwind （迎風）格式和直角坐標網格。 ipsa模型對每一相求解n - s方程，並考慮水-氣體兩相間的相間互互作用，包括相間阻力、相間升力、相間壓力和虛質量力。
  9. A new virtual calibrator for instrument transformer is presented. a phase difference correction method is applicable to correct electronic instrument transformer

    摘要介紹了一種新型的虛擬互感器校驗儀，它採用相位差校正法解決了校驗電子式互感器的問題。
  10. Intense competition forced enterprises to adopt advanced technology to enhance their ability of product development, in this circumstance, concurrent engineering, virtual enterprise is put forward. a method of product configuration based on product model and part family, and utilizing knowledge - base and rule - base is proposed. after building product model and implement of classification of parts, we finish product configuration through two phase search

    針對這種現實在產品配置模塊設計中提出了基於產品模型和零部件族、應用知識d碩士學位論文四示示y川uir 』 slffe 「庫和規則庫的產品配置的方法，其關鍵是在建立產品模型和實現零部件的分族管理的基礎上，通過兩個階段的搜索匹配（第一階段是在產品模型上的搜索和匹配，得到相應的構件，第二階段是針對零部件族的搜索匹配）得到最終的配置零部件。
  11. But it has deficiencies - collection pauses can be long, and the entire heap is visited in the sweep phase, which can have very negative performance consequences on virtual memory systems where the heap may be paged

    但是它也有不足收集暫停可能會很長，在清除階段整個堆都是可訪問的，這對于可能有頁面交換的堆的虛擬內存系統有非常負面的性能影響。
  12. Design of digital phase difference meter based on virtual instrument

    基於虛擬儀器的數字相位差計設計
  13. Firstly, design the software phase - closed loops ; secondly, realize the double closed loops control of the instantaneous value and the virtual value. furthermore, the dynamic flux imbalance of the output transformer caused by ordinary pi arithmetic is analyzed in detail. a new solution for flux balance by sampling the instantaneous primary current of the output transformer and introducing the on - line calculated bias current component into the voltage regulation arithmetic is presented

    系統軟體實現了ups的各個功能模塊，首先設計了軟體鎖相環；然後實現了輸出電壓瞬時值和有效值雙閉環反饋控制；並且在深入分析基本數字pi演算法所引起的輸出變壓器動態偏磁問題的基礎上，提出了一種改進演算法，實時消除了變壓器的偏磁。
  14. Secord, virtual enterprises complex decision - making phase of the three models

    建立有效的模型，找到合理的機制來解決該問題。
  15. A virtual phase difference meter is developed based on the principle of phase difference measurement of phase - locked loop, and the main requirements for data acquisition device are given

    發了一種基於鎖相環的相位測量原理而設計的虛擬相位差測量儀，並給出了該系統對數據採集設備的主要要求。
  16. Phase difference measuring system based on virtual instrument

    基於虛擬儀器的相位差測量系統
  17. 2. the amplitude - phase weight algorithm is studied in the virtual polarization, and its phase shift matrix is modified. an appropriate design project of virtual polarization is offered as well

    2 .研究了虛擬極化理論中的幅相加權演算法，修正了移相矩陣，給出了虛擬極化的工程化實施方案。
  18. The focus movies that dusters have been scanning using the virtual microscope ( vm ) during this past first phase of stardust @ home are highly compressed because of bandwidth limitations

    由於帶寬的限制，搜塵者們在過去的第一階段中使用vm搜索的是高度壓縮過的圖。
  19. It establishes the foundation for integrating system in high level and then realizes the overall digital virtual equipment in the future through studying 3d digital modeling and virtual assembly technology of the heat exchanger as well as developing the assembly module of it to offer the means and environment for virtual assembly, which can completely describe product information, offer overall assembly model for succeeding activity work, simulate the assembly process, check the interference of assembly, and evaluate and the construction of product in the design phase. the work completed in this dissertation focuses on the research technology of 3d digital modeling and assembly simulation of heat exchanger

    其中對換熱設備進行三維cad數字化建模和虛擬裝配研究，開發出新型高效節能換熱設備裝配模塊以提供進行虛擬裝配的環境和手段，完整全面的描述產品信息，為后續工作提供整機裝配模型，對產品裝配過程進行模擬，檢測裝配過程中的干涉，評估產品的裝配性能，從而在設計階段確保產品的可裝配性，為系統在高層次上集成進而實現全數字化虛擬設備的開發奠定基礎。
  20. If used as the latter, electric parameters such as amplitude, virtual value and phase can be real - time measured. the practicability of this system is quite good

    單獨作為測量系統時能實時測量信號的幅度、有效值、相位等電量參數，具有較強的實用性。
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