空間相干 的英文怎麼說

中文拼音 [kōngjiānxiānggān]
空間相干 英文
spatial coherence
  • 空 : 空Ⅰ形容詞（不包含什麼; 裏面沒有東西或沒有內容; 不切實際的） empty; hollow; void Ⅱ名詞1 （天空） s...
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 干 : 干Ⅰ名詞1 （事物的主體或 重要部分） trunk; main part 2 （幹部的簡稱） short for cadre Ⅱ動詞1 （做...
  • 空間 : space; enclosure; room; blank; interspace
  • 相干 : 1 （多用於否定句或疑問句） have to do with; be concerned with 2 [物理學] coherent; 相干散射 coher...
  1. This thesis based on the development of heilongjiang ' s green foods, through a large amount of collection and arrangement, to analyze the opportunity of development, some objective problems, course and present condition of heilongjiang ' s green food, point out the countermeasure of development of heilongjiang ' s green food. the thesis is divided into five units : unit 1 analyzes the definitions and characters of green foods, standard and signs of green food. the advantage which green food have and the significance of green food ; unit 2 analyzes the development course and present development situation of heilongjiang ' s green food based on analyzing the starter and development situation of our country, heilongjiang ' s green food past ten years, more work goes before in our country ; unit 3 analyzes the questions required dealing with which exists in development of heilongjiang ' s green foods, it indues that think is too late, the scale is too small, the way of sell is late and false is too much more ; unit 4 draws a conclusion that there is nice chance of developing green food in heilongjiang, based on using a large amount of data ; the last unit provides the ways to turn think, stronger big factories, make the sell way is more than before and draw the lay fastly, and provides appropriate countermeasures to develop heilongjiang ' s green food further i n a healthy way

    本文共分五章，第一章在分析了綠色食品的概念與特點的基礎上，對綠色食品的標準與標志進行了界定，並明確規定了綠色食品必須具備的條件，提出了發展綠色食品的意義；第二章在分析我國綠色食品的起步與發展概況的基礎上，對黑龍江省綠色食品的發展歷程和發展現狀進行了分析，黑龍江省綠色食品產業經過十多年的努力，呈現了全省合力抓綠色食品，健康快速發展的好勢頭，並且許多工作都走在全國的前列；第三章從實證著手，分析了黑龍江省綠色食品發展中存在思想觀念滯后、品牌雜、經營銷售方式落後、假冒現象多等若干亟待解決的問題；第四章運用大量數據，得出黑龍江省發展綠色食品的良好機遇，為黑龍江省綠色食品的發展提供了廣闊的發展空間；第五章針對黑龍江省綠色食品發展中存在的問題提出了轉變傳統觀念、壯大龍頭企業、抓好市場營銷、加強綠色食品法規的制定等相應的對策，並對黑龍江省綠色食品的進一步的健康發展提出了新的思路。
  2. The equations of motion governing the axisymmetric elastic deformation of finite orthotropic cylindrical shells, involving the effect of transverse shear and rotational inertia, are derived. by applying the reverberation method, the displacement and the resultant forces of the shell in the phase space are expressed. then the transient waves in the finite orthotropic cylindrical shell subjected to the axisymmetric impact are obtained by using inverse laplace transforms. furthermore, the transient solutions are decomposed to the generalized ray integrals and computed numerically

    分析了計及剪切變形和轉動慣性的有限長正交異性圓柱殼中彈性瞬態波的傳播問題，採用回傳矩陣法，在相空間中給出了位移和內力的表達式。再利用laplace逆變換，得到正交異性圓柱殼受軸對稱沖擊作用時彈性瞬態波解，然後將其分解為若干廣義射線積分之和，並用數值方法求解之。
  3. An interference field exists in space in the region where the two reflected waves are superimposed on each other.

    兩個反射波相互重疊的空間出現一個干涉場。
  4. Propagation of cross - correlation function in divided - wavefront interferometry

    分波前干涉法中空間互相關函數的傳輸
  5. In section 3, i introduce a new kind of two - mode bosonic realization of su ( 1, 1 ) lie algebra, on the basis of which the two - mode su ( 1, 1 ) coherent states in the two - mode fock space are derived

    第三部分引進一種新的雙模su （ 1 ， 1 ）李代數的玻色子算符實現形式，在此基礎上導出了在雙模fock空間上的雙模su （ 1 ， 1 ）相干態。
  6. The main results of this thesis can be summarized as follows : 1. based on the huygens - fresnel principle, we have derived the propagation expressions of the partially coherent beams passing through an annular lens optical system. the influence of the spectral degree of coherence, fresnel number and truncated parameter on the focused intensity distribution and focal shift is analyzed

    主要工作包括: 1 .從惠更斯-菲涅耳原理出發，推導了部分相干光束通過環形透鏡系統的傳輸公式，分析了空間相干度、菲涅耳數、攔截系數對系統中光束的聚焦光強和焦移的影響。
  7. Chapter 5, short but is the core of this paper. the flatter impact shock generated by a homogenized beam by isi with strict image relay, and a round - shaped impact shock generated by isi without strict image relay, is compared. it reveals the importance of isi with strict image relay in planar shock generation

    第五章重點介紹了激光產生飛片的實驗，分別給出了利用空間誘導非相干（ isi ）激光均勻化技術，在有嚴格的像傳遞和沒有嚴格的像傳遞條件下激光驅動飛片產生沖擊波的特徵，表明isi均勻化技術和像傳遞在產生平面沖擊波中的重要性。
  8. Although a dual - mode scramjet ' s configuration is simple and mainly consists of inlet, combustor and wake nozzle, its working process is complicated, especially in the combustor, involving a lot of subjects, including hypersonic aerodynamics, combustion chemistry, etc. the inner flow of a combustor is three - dimensional and complicated, including the interaction of shock wave, deflagration, vortex and boundary layer, and so on

    它涉及到高超聲速空氣動力學、燃燒化學、擴散傳質等多門學科；其內部的實際流動是復雜的三維流動過程，充滿著激波、膨脹波、燃燒波、各種渦系、附面層及其相互之間的干擾，因此，燃燒室問題是整個發動機研究的關鍵所在。
  9. Second, we compute the self - impedance through cavity modal theory and mutual impendance based on reaction theory respectively. then the generalized impedance matrix that reflects the effect of mutual coupling is formed. at last, the effect of mutual coupli ng on 2 - d doa estimation algorithms is investigated and two efficient methods of mutual coupling compensation are proposed

    本文首先對兩種二維doa估計演算法? ssm法和二維酉esprit法的性能進行了比較，用空域平滑演算法解決了相干源的二維doa估計；其次運用腔模理論計算微帶天線的自阻抗，用反應原理計算微帶天線間的互阻抗，進而形成計入互耦影響的廣義阻抗矩陣；討論了互耦對二維doa估計的影響，提出了兩種互耦補償的方法。
  10. There are significant statistical correlations among temporal coefficients of spatial patterns of dekad precipitation. lag correlations and cross correlations can be viewed as one clue to mid - long term weather forecast

    旬降水量空間型時間系數間存在顯莢的統計相關，將時問系數間的1相關和互相關作為中長則天氣預報的一干！
  11. Furthermore, the range of measurement of it was pointed out. all the analysis shows that our crsi 1il can be used to measure the spatial mid and low frequency wavefront distortion. 5. based on our crsi and algorithm, the phase modulation characteristic of an lcslm was measured

    五、利用環路徑向剪切干涉儀共光路、雙光束干涉的特點，全場準確測量了液晶空間光調制器的位相調制特性，並且利用它的位相調制特性實現了臺階位相板畸變波前的補償，由此證明了液晶空間光調制器可用於控制波前畸變。
  12. A cyclic radial shearing interferometer was used to diagnose the wavefront distortion of a laser system and an lcslm ( liquid crysnd spatial ligh modulator ) was used to control it. some results have been summarized as follows : l. according to the theory of scalar quanity diffeaction and the model of the random gaussian phase screen of low frequency wavefront, the effect of the low frequency wavefront with different rms gradient on the focal spot of a laser beam was studied

    本論文在激光光束波前畸變檢測和控制上進行了新的探索，主要就空間相位調制環路徑向剪切干涉儀以及它對波前畸變的檢測和液晶空間光調制器及其對中頻段波前畸變的控制進行了研究，其研究的內容和取得的成果如下：一、根據標量衍射理論，結合低頻波前畸變的高斯隨機位相分佈模型，研究了不同均方根梯度低頻畸變波前對激光光束焦斑聚焦性的影響，並採用描述中頻段波前畸變的功率譜密度概念，模擬計算了它對激光焦斑旁瓣的貢獻。
  13. 7. based on our crsi and algorithm and double lcslm, an adaptive optical hardware system which c & n be used to model arbitrary complicated wavefront and the compensation of the wavefront can be accomplished was built. and according to the characteristic of a crs interferogram of a step wavefront produced by an lctv, the pixel - level calibration of this system is implemented

    七、採用已建立的空間相位調制環路徑向剪切干涉儀及其波前重建演算法，和位相調制持性已知的兩塊液晶空間光調制器，創建了一套用於模擬產生任意畸變波前並加以檢測和反饋控制的自適應光學硬體系統，並通過臺階波前對該系統實現了像素級校準。
  14. From the geometric limit of light source, the paper discusses the arrangement for geometric size of non - coherent light source which affects the visibility of coherent pattern and gives the essential of the spatial coherence

    摘要從普通光源線度的幾何約束出發，較詳細地討論了非相干光源線度及其干涉裝置參數的設定對其干涉效果（視見度）的影響，進一步論述了空間相干性的物理本質。
  15. It is shown that the spectral splitting can take place in the near field, which is dependent on the spatial correlation and bandwidth of the spectral source and position parameters

    研究表明，在近場會有光譜分裂出現，光譜分裂與光源的空間相干性和源光譜的譜寬以及位置參數有關。
  16. A well-defined array of stable fringes results and the field is spatially coherent.

    結果得到一組完全確定的穩定條紋，而光場是空間相干的。
  17. Spatially coherent light

    空間相干光
  18. - 2. in order to accomplish the extraction measuremellt of distorted wavefront on specific plane of a laser beam, a crsi ( cyc1ic radial shearing interferometer ) based on relay imaging technique was built. the experiinental result on this crsi shows it can used to test the spatial mid and low frequency wavefront distortion

    二、為了實現激光光束在確定平面上的波前畸變的準確檢測，採用中繼成像技術建立了一套基於空間相位調制的環路徑向剪切干涉波前傳感硬體系統，實驗證明，它可用於中低頻段波前畸變的檢測。
  19. Starting from the propagation law of partially coherent light and using a typical partially coherent light, i. e., gaussian schell - model ( gsm ) beam describing the multimode laser in practice, i present in this dissertation the research results on vectorial partially coherent light, spectral changes of partially coherent light passing through optical element, spectral switch of partially coherent light diffracted by an aperture, and the spectral anomaly of diffracted fully spatially coherent light by an aperture

    本文從部分相干光的傳輸理論出發，以模擬實際多模激光的一類典型部分相干光? ?高斯-謝爾模型（ gsm ）光束為主要研究對象，對矢量部分相干光、部分相干光通過光學元件的光譜變化、被光闌衍射的部分空間相干光的光譜開關和被光闌衍射的完全空間相干光的光譜異常等現象進行了深入研究。
  20. Spatial coherence function

    空間相干函數
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