diffraction plane 中文意思是什麼
diffraction plane
解釋
衍射平面- diffraction : 分解
- plane : n 懸鈴木屬樹木。n 1 平面，水平面，面。2 （知識等的）發達程度，水平，階段。3 【航空】機翼面；〈常 ...
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According to the theory of scalar diffraction, first, the equipollence of spatial distribution of the plane - wave interferential field and parallel projective sine grating is discussed
摘要根據標量衍射理論，首先討論了兩平面波干涉場的空間分佈與平行投影正弦光柵的等價性。 -
Consisting of the protracting graph of hydrogen - like atom ' s angle distributing, computer simulation of the symmetry of molecular orbital and chemical reaction mechanism, showing the molecular point group and symmetry element, computer simulation of molecular vibration, bravias ' s crystal lattice and their transforming, extracting of plane periodic lattice, extracting of solid periodic lattice, close packing of isometrical pellet and the structure of simple mental substance, close packing of unequal pellet and crystal structure of representative ionic crystal, computer simulation of phase analysis by x - ray diffraction
內容包括類氫原子角度分布圖的繪制，分子軌道對稱性和反應機理的微機模擬，分子點群和對稱元素顯示，分子振動運動的微機模擬，布拉維晶格和晶格轉化，平面點陣抽取，立體點陣抽取，等徑網球的密堆積和金屬單質結構，不等徑圓球密堆積和典型離子晶體結構， x射線多晶衍射的微機模擬十個子模塊。 -
Components, structure and surface morphology of the resulted films were identified by fourier transform infrared ( ftir ) spectroscopy, x - ray diffraction ( xrd ) and scanning electronic microscopy ( sem ). the analyses showed the content of cubic boron nitride in the resultant films on substrates was rather high and crystal particles of c - bn with uniform size, smooth crystal plane and regular shapes ( quadrangle and hexagon ) densely arrayed on the substrate
傅里葉轉換紅外吸收（ ftir ）光譜儀、 x射線衍射（ xrd ）儀和掃描電鏡（ stm ）的測量結果顯示，基底上的bn膜中立方相含量很高，且晶粒大小均勻、排列緻密，晶形呈規則的四角和六角形。 -
For example, if the diffraction pattern is defocused by under - focusing the diffraction lens then the image of the specimen can be seen in both the direct and diffracted beams in the diffraction pattern and, since under - focusing the diffraction lens images a plane above the diffraction pattern, these images will not be inverted with respect to the diffraction pattern
比如，如果衍射模型是通過衍射透鏡下焦散焦的，樣本的映像就能在衍射模型中直接的衍射束中看到，但是由於衍射透鏡下焦在衍射模型之上平面成像，這些映像就不會對應衍射模型倒置。 -
Electrons which pass through the thin specimen are brought to a focus in the back focal plane of the objective lens, this lens, like all electromagnetic lenses, acts as a converging lens and thus forms a diffraction pattern in this b. f. plane
穿越薄樣本的電子被帶到目標透鏡背面焦點平面的一個焦點，這個透鏡，象所有的電子透鏡一樣，充當了聚焦透鏡的作用，因此，構造了在這個背面焦點平面的衍射模式。 -
However, if the plane of the selector aperture is not precisely coplanar with that of the first image, then diffracted rays originating from outside the area defined by the aperture may contribute to the diffraction pattern
然而，如果選擇孔的平面與第一次成像不是正好共面，源自孔指定區域外部的衍射線可能影響衍射模型。 -
After the cu - al mixed powder was milled 96h, the lattice constant of cu ( 111 ) plane became 0. 3653nm, and the diffraction peaks of aluminum have disappeared completely, which showed that aluminum atoms have dissolved in crystal lattice of copper
當cu - al混合粉末球磨時間大於96h時， cu的（ 111 ）面的點陣常數變為0 . 3653nm ， al的衍射峰已完全消失。通過分析可知，經過96h的球磨， al原子已經完全吲溶於cu的晶格中。 -
From the single - slit diffraction experiment of apparatus for fraunhofer diffraction, it is seen that, in the single - slit diffraction pattern, while incident light is perpendicular to single - slit plane, bright fringe appears in the middle and symmetrical arrays of bright fringe with gradually decreasing intensity appear on both sides
從夫朗和費衍射裝置的單縫衍射實驗中可以看到：在入射光垂直於單縫平面時的單縫衍射實驗圖樣中，中間有特別明亮的亮紋，兩側對稱地排列著一些強度逐漸減弱的亮紋。 -
An inverted image is formed in the first image plane and the three subsequent lenses in the namely the diffraction lens, the intermediate lens and the projector lens are used either to magnify this image or to magnify the diffraction pattern
在第一映象平面出現一個倒的圖象，隨后的第三透鏡也就是衍射透鏡，中間的透鏡和投影透鏡被用來放大圖象或者放大衍射模式。 -
In order to study the thermal performance and residual stress of microelectronic subassembly, in this paper, a newly optical interferometry method for 3 - d displacement measurement is developed based on wavefront interference theory. in which the moire interferometry provide the in - plane displacement, but the system is different from the conventional interferometry, the system applies the double diffraction of the specimen grating, the in - plane displacement sensitivity is a factor of 2 higher than that of the conventional moire interferometer. twyman / green interferometry method for out - of - plane displacement measurement is adapted, the advantages of the optical set - up are structure novelty, and the fringe patterns of the displacement fields shown high contrast and spatial resolution
為了詳細研究試件的熱變形特徵以及殘余應力的影響作用，本文在波前干涉理論的基礎上，設計了一新型三維光學測試系統，該系統的平面位移測試基於雲紋干涉方法，但採用與普通雲紋干涉不同的光路系統，利用試件光柵和平面反射鏡組形成的兩次衍射，使平面位移干涉條紋倍增，測量靈敏度是普通雲紋干涉的2倍，系統的離面位移場測試採用泰曼格林干涉光路。 -
Based on the scalar diffraction theory and the boundary condition of rayleigh - sommerfeld, the accurate on - axis propagating wave function of plane wave diffracted by small circular band is obtained by solving the first integral of rayleigh - sommerfeld
摘要從標量衍射理論出發，採用瑞利索末菲衍射邊界條件，通過求解第一類瑞利索末菲衍射積分得到平面波經圓環衍射后軸上的波函數，進而分析軸上的光強特性以及光強極值數量、位置和大小與衍射圓環內外孔徑的關系。 -
To minimize harmful diffraction effects, the secondary, or diagonal, mirror is generally only large enough to let the central portion of the focal plane receive light from the whole primary mirror
為減小不利的衍射效應，副鏡，或平面鏡的大小隻是剛夠把主鏡在焦平面的像反射就行了。 -
The main contents of this thesis are : ( 1 ) two numerical reconstruction methods - direct fourier transform method and envelope method, are presented. these methods are deduced on the base of fresnel diffraction integral formula, which is under the condition that particle field is illuminated by plane wave
主要工作內容有： （ 1 ）分析推導了平面物菲涅耳衍射的兩種常用數值實現演算法，即直接傅里葉變換法和卷積法，結論表明後者更符合實際工作的要求。 -
The interferometric zone plate is the essential of hoes, which is the interference between plane wave and sphere wave, can focus the light beam by diffraction, instead of the way which conventional lens or concave mirrors do
摘要干涉式波帶板系由平面波和球面波兩道光波干涉而成，為研究全像光學元件的基礎，其可經由繞射作用達到聚焦效果，猶如使用傳統凸透鏡或凹面鏡所產生的效果。 -
Now, since the aperture can only be inserted in the one fixed plane it follows that the first image should be formed in this plane and the diffraction lens focused on to it
現在，由於孔可以僅僅被嵌入所屬的一個指定的平面，第一成像就應該出現在這個平面並且衍射透鏡聚焦在其上。 -
The results of the axial and transversal intensity distributions of gaussian beams and 0 - order bessel - gaussian beams show that the results by the optimized laguerre - gaussian truncated series are in good agreement with those by the fresnel diffraction integral method if the integration plane is not close to the aperture
對高斯光束和零階貝塞爾高斯光束的軸向和橫向光強分佈的計算結果表明：當積分面不是很靠近光闌時，用參數最佳化選取的拉蓋爾高斯截斷級數法與用直接數值積分所得結果符合很好。 -
( 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。 -
Plane diffraction grating, logarithmic amplifier and stable constant - current source are used in the system, thus the performance of the instrument is enhanced significantly and the cost is reduced
系統採用了平面衍射光柵、專用陣列探測器、對數放大器以及高穩定恆流源，有效地提高了儀器的整體性能，同時降低了生化分析儀的成本。 -
From the fresnel diffraction equation, we calculated the intensity distribution of the fhb in free space, and found that there is an interested propagation property of the fhb before the focal plane. that is, with the increase of the propagation distance z, the dark spot size ( dss ) of the fhb is first increased, and then decreased, the dss has the maximum value at the position of z = - f / 2
發現在焦平面之前有一個非常有趣的傳播性質，即隨著傳播距離z的增加，這一聚焦中空光束的暗斑尺寸（ dss ）先從另變大然後再變小，最大的暗斑尺寸的位置在z = f / 2處。 -
( 1 ) basic mathematical model for recording and numerical reconstruction of digital hologram is elaborated. the core of digital holography is the algorithm of numerical reconstruction. two different approaches for numerical reconstruction of digitally sampled holograms are investigated, namely the fresnel transform algorithm and the frequency domain algorithm, which are deduced from the diffraction theory of spherical wave and plane wave respectively
（ 1 ）從理論上詳細闡述了數字全息圖記錄與再現的基本原理，建立了數字全息圖記錄和數值再現的數學模型，根據光波衍射的球面波和平面波理論，給出兩種不同的數值再現思路，即頻域再現法和菲涅耳變換法。
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