衍射圓 的英文怎麼說
中文拼音 [yǎnshèyuán]
衍射圓
英文
diffraction circle-
Based on the principle of the double hemicycle diffraction, by giving each of them different discrepancy, the phase can be detected with the diffraction patterns
摘要基於雙半圓孔衍射的基本原理,通過對其兩部分分別施加不同的相位,利用衍射圖樣,進行了相位信息提取研究。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。In this paper we also designed the computer optical elements based on the scalar quantity diffractive theory, which can change the laser beam into a square frame. we mainly refered to the one of those improved algorithms of gerchberg - saxton ( gs ). with the computer simulation and drawing program, the simulated diffraction patterns were gotten in this paper, the results agreed with the anticipated diffraction patterns ; in the paper we also design the computer optical elements that can shape the laser beam into a double circle shape, a lamp shape and so on
計算機模擬成像結果與預期得到的衍射圖樣相符合;文中還討論了設計參數對成像質量的影響規律。同時,本文還用標量理論設計了把高斯光束整形為雙圓斑形光束的計算機光學元件,文中主要是參考改進的gs ( gerchberg - saxton )演算法;通過計算機模擬,得到了計算機光學元件表面的相位浮雕圖。In this section, we also designed 2d subwavelength multilevel ( 2 -, 4 -, 8 -, etc. level ) columned stairstep grating with coned spatial profile to reduce reflection
我們也通過矢量衍射理論分析了多臺階二維亞波長具有圓錐面形的網格光柵的電磁場衍射特性。A simply and analytical formula of the axial light intensity distribution behind a circular aperture is derived by using the helmhotz - kirchhoff integral theorem and the kirchhoff ' s boundary conditions. it is studied the nonparaxial on - axis intensity distribution throughout the whole space behind a circular aperture. an accurate formula to calculate the fresnel number of circular aperture is presented and the validity of usual fresnel number formula is reexamined. by using the analytical formula and diffraction integral formula, some numerical simulation comparisons are done, and it is shown that the results of the two methods are completely coincident
用亥姆霍茲-基爾霍夫積分定理和基爾霍夫邊界條件,推導出了平面波經小圓孔非傍軸衍射時軸上強度的簡單解析表達式,研究了平面波經小圓孔后整個衍射空間非傍軸的軸上光強分佈.給出了計算圓孔菲涅爾數的精確公式,重新檢查了通常的菲涅爾數公式的有效性.數值計算顯示,應用解析表達式所得的結果與應用衍射積分公式所得的結果完全一致The propagation characteristics of the diffraction field by a circular aperture of bessel - gauss beam
高斯光束圓孔衍射場的傳播特性A simple and effective method is given to successfully simulate circular and different serrate type aperture ' s far - field diffraction and compared with the diffraction of hard - edged circular apertures
摘要採用一種簡單有效的方法,模擬了光束經圓形孔徑和不同齒形光闌的遠場衍射分佈,並與經圓孔硬邊光闌的衍射作了比較。Its fundamental is that the ray emitted from a focus ( front ) of elliptical will flock together on the other focus ( back ) by the reflection on the elliptical surface. we set a scatter aperture on the back focus
橢圓柱面的前焦線上是射線源,晶體固定在一個橢圓基底上,其表面構成一橢圓柱面, x射線經晶體衍射后會聚於後焦線上。The window function of circular hard - edge apertures is simulated and optimized by the laguerre - gauss truncated series, and applied to study the diffraction of gaussian beams and 0 - order bessel - gaussian beams by the hard - edge aperture
摘要用拉蓋爾高斯截斷級數模擬了任意半徑的圓孔硬邊光闌窗口函數,並應用於研究高斯光束和零階貝塞爾高斯光束通過硬邊光闌的衍射。We use the basic theory of the x - ray diffraction for crystal to research the structure design of tcecs
本論文主要利用x射線受晶體衍射的基本理論,對整個雙通道橢圓彎晶譜儀的結構設計進行研究。Firstly, we discuss the basic theory of the x - ray diffraction for crystal and the crystal spectrometer in detecting x - ray. utilizing the outstanding merits of the focus - bend - crystal spectrometer. tcecs ' s resolving power is enhanced greatly by introducing the elliptical crystal
本論文首先討論了x射線受晶體衍射的基本理論以及晶體譜儀在x射線探測中的應用,利用聚焦型彎晶譜儀在進行x射線探測中應用的突出優點,加以改進,採用橢圓彎晶結構,大大提高了譜儀的解析度。Fraunhofer - diffraction of the similar circular ring
類圓環的夫瑯和費衍射This paper analyses light energy of fraunhofer diffraction of circular hole, and proves that the energy of airy disk is 84 % of light energy of normal incidence
摘要對圓孔夫瑯禾費衍射光能量進行了定量分析,並證明了愛里斑能量?入射光能量的84 % 。We employ the rigorous vector coupled - wave theory to analyze the electromagnetic diffraction nature of two - dimensional columned grid gratings
我們使用了嚴格的矢量衍射理論? ?耦合波理論分析圓柱形網格光柵的衍射特性。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。The fresnel and franhufer diffraction patterns, of regular shapes screen such as slits, rectangular apertures, circle apertures, discs, triangle apertures, ronchi gratings, and some irregular shapes screen, are observed in the different propagation distance. this clearly gives the relation and difference of the two diffraction patterns
具體分析了規則形狀如單縫、矩孔、圓孔、圓盤、三角孔、黑白光柵及一些不規則形狀等孔徑的菲涅耳衍射和夫瑯禾費衍射圖樣強度分佈,為深入理解菲涅耳衍射和夫瑯禾費衍射及其內在聯系與區別提供了理論依據。The angle spectrum of inputting optical signals is received by the input surface of arrayed waveguides. whereas the diffraction process of light beam outputed in slab waveguide is a process of " composing frequency and generating image ". the reason that fraunhofer diffractive pattern can be gained on outputting waveguide surface is that output ends of arrayed waveguide distribute on the arch structure which leads bent phase factor to offset the quadratic phase factor in fresnel diffraction
輸入平板波導內光束的衍射過程是「分頻成譜」的過程,在陣列波導的輸入面接收到的是輸入光信息的角譜;而輸出平板波導內光束的衍射過程則是「合頻成像」的過程,正是由於陣列波導輸出口排列分佈在圓弧形結構上,其彎曲位相因子消去了菲涅耳衍射中的二次位相因子,從而在輸出波導面上能夠得到夫瑯和費衍射圖樣。A black opal worn near the heart on a necklace made of gold is said to ward off evil and protect travelers. it is regarded as an extremely lucky stone. it has reputed healing properties, especially the power to increase mental capacities such as creative imagination and other unused powers of the mind
貴蛋白石是由無數個極度的非晶質二氧化硅小圓球組成,小圓球的直徑都相同或相近,並能在三維空間作整的排列,這些整排列的小球像光柵一樣,當白光射在上面后即發生衍射,衍射成彩色的光譜。When opal is worn as a pendant on a gold necklace and surrounded with 10 or 12 small diamonds it is believed to have excellent money - drawing power. a black opal worn near the heart on a necklace made of gold is said to ward off evil and protect travelers. it is regarded as an extremely lucky stone
貴蛋白石是由無數個極度的非晶質二氧化硅小圓球組成,小圓球的直徑都相同或相近,並能在三維空間作整齊的排列,這些整齊排列的小球像光柵一樣,當白光射在上面后即發生衍射,衍射成彩色的光譜。Analyzing the axial intensity of plane waves diffracted nonparaxially by a small circular aperture
平面波經小圓孔非傍軸衍射的軸上光強解析分析分享友人