phase distribution of field 中文意思是什麼

phase distribution of field 解釋
場相位分佈
  • 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，...
  • distribution : n 1 分配，分發，配給；分配裝置[系統]；配給品；配給量；【經濟學】配給方法，配給過程；分紅；【法律...
  • of : OF ＝Old French 古法語。
  • 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. Abstract : the far - field spot characteristics of laser converted by random phase plate are analyzed theoretically, including the shape, size, rotational symmetry and diffractive efficiency of the spots, as well as the distribution of subsidiary spot. by comparing the influence of phase element shape ( triangular, square and hexagonal ) on the characteristics, we found that the random phase plate with hexagonal array structure is more suitable for the beam smoothing in laser fusion

    文摘:從理論上分析了激光經隨機位相板變換后在遠場的光斑特性（包括光斑的形狀、大小、旋轉對稱性、衍射效率以及旁瓣分佈） ，通過比較三種形狀位相元（等邊三角形、正方形和正六邊形）的遠場光斑特性，得知正六邊形位相元結構的隨機位相板更適合於激光聚變中的束勻化。
  2. Finally we focus our attention on studying the emission spectrum of two atoms driven by a single - mode field in an ideal cavity. we showed that the atomic emission spectrum is insensitive to the phase of field for the two atoms initially in the coherent superposition state tf / = v2 / 2 ( j +, - ) h ? + } ), when the two atoms is initially prepared in ( fs * } = cos ( 0 / 2 ] +, + ) + sm ( 0 / 2 ) ei ' p -, - ), the atomic emission spectrum is associated with not only the field photon - number distribution and the atomic populations, but also the phases of the field and the atomic dipole

    接著考察了好腔中由單模量子場驅動的雙原子發射譜，結果表明初態為的雙原子發射譜與驅動場的相位無關；而初態為的雙原子發射譜不僅與光場的光子數分佈以及原子的布居數有關，而且依賴于光場的相位以及原子偶極矩的相位，並且在適當的條件下，壓縮真空場可將雙原子俘獲在相干疊加態。
  3. The centroid position of the focal spot directly depending on intensity distribution and phase slope distribution of near field is derived, and its physical meaning is described

    進一步推導了焦斑質心位置對光束近場強度分佈和相位斜率分佈的依賴關系式，並對該式清晰的物理意義進行了闡述。
  4. From physical principle, the electric property differences among oil, gas, and water are analyzed, and it is pointed that the electric properties of their mixture in oil wells are not only determined by their electric parameters, but also related to the mixture flow velocity, concentration and distribution state of each phase, and the measured electromagnetic field

    其次，從物理機理出發，對油、氣與水的介電特性和導電特性差異進行分析，指出油井內混合流體的電性質不僅與各相流體的電性參數有關，而且與流體的流動速度、各相含量、分佈狀態以及測量電磁場有關。
  5. In this paper, we begin with actual products designs and then combine the real conditions. on condition that technique conditions requirements were satisfied, by adopting electromagnetic field numerical analysis and experimental research, the electric field distribution inter - phase and to ground of 12kv metalclad withdraw switchgear vacuum circuit breaker is described accurately. the electric field distribution and movement in different conditions are also confirmed

    本文從實際產品設計入手，結合現實情況，在滿足技術條件要求的基礎上，通過採用電磁場的數值模擬分析及實驗研究，準確地描述了12kv配電系統中置櫃真空斷路器相間及對地全場域電場分佈情況，確定了中置櫃在不同情況下的電場分佈、變化情況，通過理論的計算和分析，對產品的絕緣進行了校核與驗證，通過多種方法的比較，進而得到合理的布置結構和達到最佳的絕緣配合，為實際產品的開發和設計提供了理論依據。
  6. At last, three - dimensional mathematical model of gas - particle two phase turbulence was established, and it was adopted to study the gas - particle two phase rectangular jet as well. the distribution of the time - averaged velocity and turbulence intensity was studied, and some of the simulation results were compared with the experimental results ; the coherent structure of flow field was described in the three direction, the evolution and motion of the eddies was discussed too ; the dispersion of fine particles in the three dimensional space was also investigated

    全面地分析了矩形射流氣相時均流場的速度、湍流強度的空間分佈規律，並就部分數值模擬結果與實驗結果進行了對比研究;描述分析了氣相流場湍流擬序結構，對流向、橫向和展向三個方向旋渦的空間結構特點進行分析研究，並分析了流向渦隨時間變化的發展、運動規律。
  7. And then simulations of gas - particle two phase plane wake and gas - particle two phase plane jet were carried out by using this model. after numerical simulations of the two flow fields were finished, series of analytical work was done. first, the distribution of time - averaged velocity, turbulence intensity was analyzed, and some of the simulation results were compared with those of the experiments ; the coherent structure of vortices in the near wall region of the plane wake flow were studied by describing the evolution of the eddy structures, including the forming, developing and shedding from the wall of the vortices in the near wall region ; the coherent structure of vortices in the whole field was also studied, such as the forming, developing, moving, pairing and merging of the eddies etc.

    在對上述兩種流動形態的二維大渦模擬研究中，首先全面地分析了氣相時均流場的速度、湍流強度的分佈規律以及氣相速度的脈動規律等並就部分數值模擬結果與實驗結果進行了對比研究；分析了平面尾跡流場中近壁處旋渦擬序結構，全面和逼真地反映了近壁處旋渦的生成、發展和脫落的規律；描述分析了平面尾跡流和平面射流的全場流動旋渦擬序結構，從整個流場的角度反映旋渦的生成、發展、運動以及旋渦之間相互配對、合併的作用規律等。
  8. It shows that when walk - off and diffraction effects could be ignored approximately estimation of the phase distribution of second - harmonic wave could be done. the far field divergent angle and second moment radius of harmonic wave will vary with the aberration of fundamental wave, but the far field divergent angle will be obviously smaller than that of fundamental wave. the phase distribution of both fundamental and harmonic wave is measured using hartmann - shack wave front sensor in the experiment with 1064nm and 790nm lasers, respectively

    這說明利用非線性光學頻率變換方法拓寬波前傳感器件的響應波段是很難實現的，但是，通常三波相互作用過程的研究均是建立在平面波和理想高斯光束之上，因此我們對于位相畸變倍頻過程的研究是非線性光學領域一個重要而有意義的新課題，它有助於人們更加深入理解非線性光學效應，為進一步合理利用之奠定了理論和實驗的基礎。
  9. My study involves two areas in quantum key distribution protocol. first, in the field of the b92 protocol, it is first calculated and analyzed for the holevo upper bound of b92 protocol to noise and eavesdropping, the fidelity, a lower bound on the guaranteed privacy and the capacity for classical information over phase flip channels. it is computed and validated for that projective measurements increase quantum entropy

    本文主要涉及兩個方面:一、 b92量子密鑰分配協議方面，計算分析了b92協議對噪聲和竊聽的holevo上界，以及通過相位翻轉通道的通道保真度，通道可靠的保密性量子熵下界和對經典信息的容量，計算驗證了定理投影測量增加量子熵，分析了測量前後量子狀態的變化，並用計算機模擬繪制了圖形，能夠清楚直觀地分析比較。
  10. In this thesis, some fundamental topics on p - sic crystal growth such as the design of the crucible assembling system, the thermal field distribution and the liquid phase epitaxial growth of p - sic films deposited on si have been discussed. in brief, following major creative results have been obtained : 1

    本文探索碳化硅晶體生長技術的若干基本問題，特別對熱系統的設計和熱場分佈問題，以及用- sic薄膜在碳飽和硅熔體中進行液相外延生長的基本工藝問題等進行了研究，獲得以下主要創新結果： 1
  11. The energy spectrum detect results show that electric field promotes the solution of cu element and well distribution, and accelerates the dissolution of undissolved - phase containing cu

    電場固溶后元素檢測結果顯示，電場提高了cu元素的固溶度，促進了cu元素的均勻分佈。
  12. Through the analysis of the soft - field characteristic, it is found that the sensitivity field distribution is affected by the location, the size and the conductivity of the disperse phase medium

    從靈敏度角度出發多方面（離散相介質所在位置、離散相介質所佔區域大小、離散相介質的電導率等）分析了介質分佈影響靈敏場分佈這一「軟場」特性。
  13. In chapter 4, with the dissipation approximation, the dynamics behaviors of the phase of the field are studied in terms of phase theory presented by pegg and barnett. the probability distribution of the phase and the phase fluctuation are discussed during the single photon process

    互eldand比eatom麗比anin亡en成ty - dop即den亡co即1in第四章利用耗散近似方法，運用pegg - barnett厄米位相理論研究光場的位相動力學性質
  14. But in the moderate electric field 150 kv / cm, there is a sharp change in the configuration and charge distribution of the exciton, i. e. the exciton is directly split into an electron polaron and a hole polaron. the polarization and dissociation happen at a same time, which differs from that in conjugated polymers. and in the strong electric field 350 kv / cm, appear structural phase transition of the chain and luminescence quenching

    同時得到兩個重要的臨界電場值： 1激子解離電場ec1 （ 150kv / cm ） ，在此電場下激子發生瞬間解離，成為電子型極化子和空穴型極化子； 2結構相變電場ec2 （ 350kv / cm ） ，在ec2下二聚化晶格開始被等距晶格取代， ptcl絡合物鏈發生結構相變，並伴隨peierls能隙漸趨消失和發光猝滅的現象出現。
  15. Meanwhile, the soft - field characteristics of ert systems in different numbers of electrodes are studied, and the main soft - field characteristics of ert systems are found. the results show that the soft - field characteristics are greatly reflected in the influence of distribution of mediums and the difference in conductivity of two - phase mediums on the distributions of the sensitivity field

    最後研究了當電極數目不同時對ert軟場特性的影響，得出了ert傳感器軟場特性的規律： ert傳感器的「軟場」特性主要體現在其靈敏場的分佈受被測介質的分佈及兩相介質電導率差值的影響。
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