diffraction curve 中文意思是什麼

diffraction curve 解釋
繞射曲線
  • diffraction : 分解
  • curve : n 1 曲線；彎曲；彎曲物。2 曲線規 （＝French curve）；【機械工程】曲線板；【棒球】曲線球；【統計學...
  1. The bragg diffraction efficiency of gows in bismuth - doped yig film is caculated by considering the edge cut - off effect. the obtained theoretical curve is basically agreement with the experimental results. it is shown that the diffraction performance for mo bragg cells can be greatly increased by using an appropriately nonuniform bias field

    2 .考慮到邊緣截止效應，論文中計算了靜磁正向體波對導波光的衍射效率，理論結果與實驗符合;從而表明，與均勻場情形相比，適當不均勻場可以大大提高磁光bragg器件的衍射效率。
  2. The properties of thin films have been investigated with modern analysis technique, such as afm ( atom force microscopy ), sem ( scanning electron microscope ), xrd ( x - ray diffraction ) and rocking curve ( - scan ). and the properties of ybco thin film and its substrate and deposition temperature have been analysed, comparing with lao substrate ' s crystallization quality, ybco thin film properties, such as morphology and degree of grain alignment, was concluded to correlate with the crystal orientation uniform of lao substrate as revealed by xrd

    本文結合afm 、 sem研究ybco薄膜的表面形貌， xrd 、 fwhm分析薄膜的結晶情況，並結合成膜溫度和基片的質量進行一系列結構與性能的對比研究，發現laalo3 （ lao ）基片的質量對ybco薄膜的結構完整性有很大影響，不僅影響了薄膜的c軸取向性，而且影響了ybco的超導性能。
  3. With the very low water to cement ratio, rpc has ultra - high strength high ductility and low permeability. in this paper, the compressive strength of rpc can reach to a high point with the number approximately 135mpa. as illustrated from the study results, we can approve some fundamental conclusions : there are big effects on rpc with deferent kinds and properties of raw materials and deferent curing conditions ; stress - strain curve shows the process of destroy with rpc samples ; x - ray diffraction analysis indicates that heat treatment at temperatures 90 accelerate the hydration of rpc sharply, therefore, mechanical and microstructural properties of rpc are highly dependent on heat treatment ; it is believed that rpc materials have excellent resistance to chloride permeability ; during the heat treatment, the shrinkage of rpc developed quickly because of chemical reactions ; the rpc with slag mostly has the advantage of rpc without slag about resistance to solutions corrosion

    研究結果表明：通過對rpc各組分摻量變化的研究，可以找到rpc的最優配合比；試件成型后的熱養護制度對rpc的性能影響巨大； rpc的抗壓應力?應變曲線可以反映出試件受破壞時微裂紋的擴展情況，剛纖維的摻入可以大幅改善rpc的韌性； rpc在成型后存在較大的收縮，而其中的化學收縮要遠遠大於乾燥收縮； rpc具有很強的抗氯離子滲透性能，漿體的密實度很高；通過x射線衍射實驗，可以發現rpc的膠凝體中ch晶體已經幾乎不存在，膠凝體主要由c - s - h凝膠和未水化水泥顆粒組成；在抗溶液侵蝕的實驗中，摻礦渣rpc的抗溶液侵蝕性能在絕大多數情況下要好於不摻礦渣試件，酸、堿溶液和浙江工業大學碩士學位論文摘要一些鹽溶液都會對rpc的結構產生侵蝕作用，但是機理各有不同。
  4. The results showed that the interplanar spacing d values and relative x - ray diffraction intensity of the mixed lb films change with the ratio of ba / sa in a step - and w - shaped curve respectively, which indicates that only three kinds of longitudinal periodic structures can form in the mixed multilayer lb films of all ratios and each microstructure can be maintained in a certain ratio range. furthermore the mixed system always goes through a process of the longitudinal regularity decreasing when the ratio of ba / sa is out of the intermediate ratio range ( ba / sa : 1 / 5 ~ 1 / 1 )

    結果發現，對于sa ba混合膜，分相小而均勻，不出現單獨的衍射周期；隨比例不同，縱向面間距出現臺階效應，表明存在3類結構，其中在較大比例范圍內出現了長短鏈交錯的結構，這種結構具有高的穩定性和有序性；在ba較多的混合膜中，在脂鏈層間出現空洞結構，可以用來構造特殊的納米結構。
  5. ( 2 ) computational simulations on in - line holography of single particle, multi - particle in one plane and particle field ( multi - layer ) are performed. a technique to find the focal plane is given according to the gray - gradient curve of the particle image. an improved numerical reconstruction method is proposed, which can eliminate the border diffraction

    （ 2 ）對同軸粒子全息圖的記錄和再現過程進行了數值模擬，提出了根據灰度梯度曲線判斷粒子成像平面的方法，同時提出了一種可有效消除全息圖邊框衍射條紋的改進演算法。
  6. The tuning curve of type - i phase matching of bbo opo are measured with accuracy ; the maximum conversation in total of the system is about 31 % at 615. 6 nm, and it is fitted well with the gtp formula ; in the end we compared the output linewidth and unstable cavity far field beam qua lity of the bbo opo under the condition of type - i phase matching and type - ii phase matching, it is proved that we can obtain the parametric output of linewidth less than 0. 3 nm and the beam divergence angle approaching diffraction limits by take the advantages of type - ii phase matching and unstable cavity designs

    測量了該系統的轉換效率最大為31 ，並能與理論公式極好地吻合，最後比較了在類相位匹配條件下和類相位匹配條件下的bbo - opo的輸出線寬，以及非穩腔的遠場光束質量，實驗結果表明，利用類相位匹配以及非摘要穩腔設計可以獲得線寬小於0 3nlm 、光束發散角接近衍射極限的參量光輸出。
  7. By solving the christoffel equation, the relationship between velocity and angles is obtained, and the ultrasonic inverse velocity curve is illustrated. the dixon equations of ao diffraction on the xoz and yoz planes in ln crystal have been applied to obtain the geometric relationships of acousto - optic interaction. therefore, the beam steering theory is proved to be a possible way to do the optimum design of ln anisotropic acousto - optic deflector. the detailed parameter data and the figures on the xoz and yoz planes with the angle of incidence of - 5 degree are shown up, which will contribute to the desigh of aod

    對鈮酸鋰超聲跟蹤反常聲光偏轉器進行優化設計，經研究計算得到了分別在入射角取- 5o時xoz與yoz工作平面中正負一級衍射中分別使用快切變波與慢切變波的情況下，優化設計鈮酸鋰超聲跟蹤反常聲光偏轉器的設計參數，對聲光偏轉器生產設計有實際參考意義。
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