焦散的 的英文怎麼說
中文拼音 [jiāosǎnde]
焦散的
英文
caustic-
Two detectors are used both in conventional differential astigmatic device and the device given in this paper
與差動像散離焦檢測原理相同的是,二者都是採用雙探測器進行測量。We say that a caustic is formed on the surface of the sphere at this distance.
我們說,在這一距離的球面上形成了焦散。The beam of flashlight diverges, but it can be refocused with lenses.
一個發散的閃光燈束可以用透鏡重新聚焦。( 2 ) the causation that the caustic phenomena of electromagnetic wave propagation in two - dimension concave reflectors occurs and the types of singularities in caustic fields are investigated, and the conclusion that there are two types of singularities ( fold and cusp ) in caustic fields in two - dimension concave reflectors is obtained ; by symplectic geometrical method, formulations of computing wave fields in and far away from caustic fields in two - dimension concave reflectors are deduced, and the results are plotted in pictures. ( 3 ) the cause of the caustic phenomena of electromagnetic wave propagation in three - dimension concave reflectors and the types of singularities in caustic fields is discussed, and the conclusion that there are three main types of singularities ( fold, cusp and swallowtail ) in caustic fields in three - dimension concave reflectors is obtained ; by symplectic geometrical method, the formulae of computing wave fields in and far away from caustic fields in three - dimension concave reflectors are deduced. particularly, the wave fields in ellipsoid concave reflector are computed, and the results displayed in special sections are given
論文主要包括三個方面: ( 1 )分析了凹面反射的焦散現象,給出了不同凹面反射的焦散圖; ( 2 )分析了二維凹面反射波動場焦散現象產生的原因及焦散區奇性的種類,得出了二維凹面反射波動場焦散區奇性主要有折疊( fold )和尖點( cusp )兩種的結論,利用辛幾何方法構造了圓錐曲面反射波動場非焦散區和焦散區的通用計算公式,並給出了圓柱面、橢圓柱面及雙曲柱面反射的計算結果; ( 3 )分析了三維凹面反射波動場焦散現象產生的原因及焦散區奇性的種類,得出了三維凹面反射波動場焦散區奇性主要有折疊( fom 、尖點kusp和燕尾k )三種的結論,提出了利用辛幾何方法計算三維凹面反射波動場非焦散區和焦散區的計算方法,並給出了三軸不等橢球體凹面反射波動場的計算結果剖面圖。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。The following three parts are included : ( 1 ) the caustic phenomena of electromagnetic wave propagation in concave reflector is studied, and the pictures of caustic fields in different concave reflectors are displayed
(三)深入討論了凹面反射波動場的焦散現象、焦散區的幾何結構與奇性的特點以及非焦散區、焦散區波動場的計算問題。Laser induced diffusion is a technology that dope the impurities into a certain region of semiconductor by a focused laser. it has the advantages of “ low temperature processing ” and ” direct writing ”, and it is promising to use this technology in the fabrication of monolithically optoelctronic integrated circuits ( oeics ) to solve the incompatibility problem between optoelctronic and electronic components
激光誘導擴散是用聚焦的激光束局域加熱半導體基片,將雜質以擴散的方式摻入到特定區域並且達到一定要求的一種技術,具有「低溫處理」 、 「直接寫入」 、 「局域升溫」等獨特優點,可有效解決單片光電集成器件( oeics )中光、電兩部分的工藝兼容這一難題。The principle of the method is illuminated by the numerical simulation of the scattering of caustic region in a two - dimensional concave antenna
本文通過對二維凹面天線焦散區散射場的數值模擬詳細介紹了這一理論的基本思路。Caustics analysis of mode dynamic crack tip in functionally gradient materials
型動態裂紋尖端的焦散線分析The validity of the expression was verified by the instrumented impact test and caustic test results for hq785c steel
分別採用受慣性效應影響的示波沖擊試驗及無慣性效應的焦散線技術對hq785c鋼進行了動態測試,驗證了修正公式的有效性。The results of computer simulation show that both the radius of disk and the depth of focal length decrease as increasing incidence wavelength, meanwhile, the intensity of disk is enhanced
數值計算了圓形透鏡的色散,結果表明:焦斑的半徑和焦深隨入射波長的變大而減小,光斑的強度隨入射波長的變大而增強。That is a hub with hot focus
這里是灸熱焦點的集散地!This thesis discusses maslov ' s method, wavelet transform and their applications to asymptotic evaluation of wave equations in high frequency fields. the method of solving wave equations in caustic domain by symplectic geometrical theory, and the method of simplifying two - dimension wave equations in slowly varying nonhomogeneous medium by wavelet - transform theory are proposed. the caustics phenomena of electromagnetic wave propagation in concave reflector, the singularities of caustics, and the method of computing wave fields in and far away from the caustics in concave reflector are also discussed
本論文探討了maslov方法在波動方程高頻近似中的應用及焦散區的具體求解方法;討論了用小波變換化簡二維非均勻緩變介質條件下的波動方程;本文還討論了凹面反射的焦散現象、凹面反射焦散區的奇性種類,討論了二、三維凹面反射波動場非焦散區、焦散區的計算方法。This function is described in miraculous pivot " the upper energizer resembles a sprayer. " this is a metaphor, which is used to describe the function of the upper energizer to sprinkle fog - like cereal essence
這個功能在《靈樞》中被喻為「上焦如霧" ,這是一種隱喻法,通常用於描述上焦散精的功能。Since the cause of caustics phenomena is that the tangent plane of lagrange submanifold in caustic fields is perpendicular to the original physical space, we solve the high frequency asymptotic problem in a new mixed space by changing the projecting direction, then we get the high frequency asymptotic solutions of wave equations efficiently near and on the caustics
由於出現焦散現象的原因在於lagrange子流形在該處的切平面與物理空間垂直,通過轉換適當的投影方向,然後將這個投影方向上得到的高頻近似解再變換回到原來的物理空間中,得到了在焦散附近適用的高頻近似解。Based on the rate - equation theory of four - level system, the expressions of threshold pump power, output power and slope efficiency are given. the influence of space distribution of pump light ( the position of focusing point, dimension of pumping light and divergence angle ) to the output characteristics are also discussed. then, by investigating the effects of thermal effect of laser crystal on the size of laser cavity mode, we obtain the mode - matching principle of high power laser diode end - pumped solid - state lasers
其中,在泵浦光的空間分佈變量中我們分別考慮了泵浦光聚焦后的腰斑大小、聚焦腰斑在增益介質中的位置以及泵浦光在介質中發散角的影響;然後我們研究了在高泵浦功率下激光晶體因吸收泵浦光而產生的熱效應所導致的熱透鏡效應以及熱致衍射損耗,通過分析它們對振蕩激光腔模尺寸的影響,得到了高功率半導體激光二極體端面泵浦固體激光器模式匹配的要求,為高功率連續單頻nd : yvo _ 4激光器的優化設計提供了理論依據。Prism effect. a rainbow pattern appears on the refracted light caustics. the right picture is the same effect on the sphere object from tutorial 1
棱鏡效果一個彩虹圖案顯現在折射光的焦散里。右圖是教程一里的球出現同樣的效果。In order to measure the focal length of lens automatically, linear ccd is used as receiver on behalf of eyes on the basis of original experiment equipment measuring the focal length of lens. a kind of method determining the focal plane automatically is put forward and analysed theoretically in this text, based on the theory of point spread function
本文基於點擴散函數理論,提出一自動檢焦方法,對該方法進行理論分析,並通過實驗驗證了該方案的可行性;確定焦面后,在處理測量數據過程中,文中對常用的幾種方法進行了比較和分析,最後採用質心法來實現對透鏡焦距的測量。Maslov ' s method can overcome the drawback that the solution in the caustic region cannot be obtained with geometrical optics. the key step of the method is numerical computation of hamiltonian equations, which can be solved by the symplectic algorithm
Maslov理論克服了幾何光學法無法處理焦散現象的缺陷,但應用該理論關鍵的一步是對相空間里hamilton正則方程組的計算,辛演算法的引入使這一問題得以解決。Now, we will try to simulate some nice prism affects for the caustics
現在,我們將嘗試為焦散模擬出一些好看的棱鏡效果。分享友人