衍射像 的英文怎麼說
中文拼音 [yǎnshèxiàng]
衍射像
英文
diffraction image-
This calibration is usually carried out by employing a double exposure technique in which the diffraction pattern and electron image of a crystal of molybdenum trioxide are successively exposed
這個標準通常利用使得衍射模型和一個三氧化鉬的結晶體的電子成像成功展現的雙投照技術來執行。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。By analyzing the microstructure of as - cast alloys with different surplus of samarium added, the optimum surplus of samarium is decided. by comparing the microstructure of the alloys annealed for different time, the ideal and economical annealing time is confirmed. the microstructure and phase composition of alloys during the whole preparation of sm2fe17nx are analyzed using the scanning electron micrograph with energy - dispersive x - ray analysis and x - ray diffraction patterns
本論文首先就熔煉工藝參數對鑄態組織微結構的影響進行了探討，並制定出一套較為合適的熔煉工藝；通過對不同釤加入量的鑄態組織微觀結構的觀察分析，確定了原料配置過程中釤的最佳補償量；通過對採用不同退火時間的合金組織進行比較，確定了理想、經濟的退火時間；同時還利用掃描電子顯微圖像和x射線衍射圖譜，比較了整個制備過程中，試樣微結構和相組成的變化情況。Based on the generalized huygens - fresnel diffraction integral and in consideration of the effect introduced by astigmatism, the transformation properties of gaussian beams passing an astigmatic lens are studied analytically, the beam quality of astigmatic gaussian beams is analyzed in terms of the beam propagation factor ( m2 - factor ) and power in the bucket ( pib ), and illustrated with numerical examples
基於廣義惠更斯-菲涅爾衍射積分，並考慮了像散的影響，對高斯光束通過像散透鏡后的傳輸特性作了解析研究，以光束傳輸因子和桶中功率為參數分析了像散高斯光束的光束質量，並以數值計算例加以說明。The holographic lens, which is designed according to bragg condition to eliminate aberrations, has both high efficiency and low aberration, and can be used in a certain narrow - band condition. a example and its results are also given in this paper
該方法採用雙片離軸全息透鏡復合，按使用條件在布喇格條件下進行消三級像差設計，製作設計的全息透鏡具有高衍射效率高、像差小的特點，可以滿足任意給定的窄帶光場合。In the paper, we describe the whole configuration of the joint transform correlator ; introduce the correlative theories of joint fourier transform in detail ; in order to achieve better correlation result, the nonlinear processing of joint transform power spectrum ( jtps ) is put forward, the effect of jtps laplace sharpening and binary processing to the correlation image is given ; the method of the best binary threshold is determined ; we analyse the correlation image, present the way that removes liquid crystal diffraction spot, direct current spot and image noise, and binarize the correlation image finally
本論文主要對提出的聯合變換相關的整體結構進行了描述；詳細介紹了聯合傅里葉變換的相關理論；為了得到更好的相關結果，本文提出對聯合功率譜進行非線性處理的方法，給出了聯合變換功率譜的拉普拉斯銳化和譜的二值化處理對相關峰圖像的影響及二值化最佳閾值的確定方法；對相關峰圖像信息進行了分析；提出了消除液晶衍射光斑、直流光斑和圖像噪聲的方法；最後對相關峰圖像進行了二值化處理。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。Here, the spatial distribution of fresnel diffraction field and different talbot effects of sinusoidal grating are presented, under three different illuminating conditions. especially, we discussed some interesting properties about fresnel diffraction field and talbot image, when sinusoidal grating is illuminated by divergent spherical wave
特別地，我們討論了發散球面波照明的情況下，菲涅耳衍射光場和泰伯像所具有的一些有趣的性質，如球面波對光場的放大作用，泰伯效應存在的條件等等。Besides, the growth of gasb expitaxy film was monitored by reflection high energy electron diffraction ( rheed ). the rheed images and intesity oscillation are collected by computer system. it showed that the gasb film prepared in 400 was amorphous and it became monocrystalline when the temperature rose to 500. atomic force microscope ( afm ) was applied to analyse the surface morphology of the films which were grown in diffrent growth rates or substrate temperature. the analysis were compared to simulation results. the experiment results indicated it was easy to form clusters when the rate of growth is high or
此外，本文通過反射式高能電子衍射（ rheed ）監測了gasb外延薄膜的生長，利用rheed強度振蕩的計算機採集系統實現了rheed圖像和rheed強度振蕩的實時監測。實驗發現在400生長的gasb薄膜為非晶態，溫度升高到500薄膜轉變為單晶。利用原子力顯微鏡對不同生長速率和襯底溫度生長的gasb薄膜的表面形貌進行觀察分析，並與模擬結果進行比較。The orientation relationships between cu and mgo are determined by means of electron diffraction patterns. the interface structures are analyzed according to high - resolution images of tem, csl and 0 - lattice theories and verified by simulation computation method
通過電子衍射圖確定了cu與mgo之間的各種取向關系；根據高分辨像對界面結構進行了研究；通過計算模擬驗證了重位點陣和o -點陣理論。Based on the theories of non - diffracting imaging system in coherent light, the measurement system of point spread function ( psf ) of non - diffracting imaging system has been presented
摘要在分析相干光照明下無衍射成像系統理論的基礎上，設計了無衍射光成像系統的點擴散函數的測量系統。The human eye is not a perfect optical system, we analyzed the optical factors of affecting the human eye vision quality, such as diffraction on small pupil, the aberration of the eye system, the size of the pupil, illumination arid optical dispertion
摘要人眼作為一種光學器官，存在著一些光學缺陷，從物理學的角度分析了小瞳孔的衍射效應、眼球光學系統的像差、瞳孔尺寸、照明度和光學散射等對人眼視覺質量的影響。Light straight - line propagation and imagery quality from light diffraction
從光的衍射看光的直線傳播及像質問題The preliminary conclusion shows that the maximum rate of compression ratio changes is about 2 % and the change rate is less when the peak - to - valley value of wavefront aberration is less than a quarter of wavelength and incident angle is properly
脈沖壓縮光柵對系統達到衍射極限時，在選擇適當的入射角度時，光柵波像差所引起的脈沖壓縮比變化並不大。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。( 7 ) the experiment of the hot - image from phase scatterer in n31 nd - glass is carried out. the experimental results are found to be in good agreement with previous analytical and numerical results
（ 7 ）開展了n31釹玻璃介質中位相型衍射物形成熱像規律的實驗研究，得到了熱像的位置、強度及像平面的能流分佈等結果，結論與理論模擬結果吻合較好。Both media with gain and loss as well as amplitude - phase scatterer are considered. a new functional expression is derived for predicting the hot - image intensity
（ 3 ）對位相型、振幅位相混合型衍射物在理想介質、增益損耗介質中熱像形成的物理規律進行了研究。Such conclusion is given : shorten the fresnel shu, shorten the obscuration ’ s area percent and shorten the equivalent diffraction distances will improve the optical quality. ( 4 ) the nonlinear paraxial equation is understood to analyze the n slabs ’ hot - image rule
得出在高功率固體激光裝置中應縮小散射點的菲涅耳數和散射面積比，控制散射點的等效衍射距離，使散射點接近等效衍射距離為零，即像面的位置。The boe designed and made in this paper is capable of converting the incidental laser beam into structural light of 2 dimensional dots array, and the diffraction image is nonlocality
本文設計、光刻的boe能將入射的激光束整形成空間二維點陣狀結構光，且其衍射像是非定域的。The theory of diffraction aberrations caused by aero - medium was introduced, a physical model on laser propagation in ordered, random inhomogeneous aero - medium was discussed and analyzed. the far - field energy distributions in two condition were given
介紹了氣動光學介質引起的衍射像差理論，分析討論了一套同時可以用於激光在有序，隨機兩種非均勻氣動介質中傳輸的理論模型。分享友人