衍射差 的英文怎麼說
中文拼音 [yǎnshèchā]
衍射差
英文
diffraction deviation-
As a comparison, ba1. 03ce0. 8gd0. 2o3 - was synthesized by sol - gel method. among these samples, nonstoichiometric samples were synthesized for the first time. the research work involved : the crystal phase of the sinters were determined by xrd ; ionic conduction under different experimental atmospheres was measured by gas concentration cells ; performances of hydrogen - air fuel cells with the sinters as electrolytes and porous pt as electrodes were measured
用粉末x射線衍射儀鑒定它們的結晶相；在（ 600 1000 ）范圍內，以燒結體作為電解質隔膜，多孔性pt黑為正、負電極， pt - rh合金網為集電極，分別組成氫濃差電池、氧濃差電池及氫?空氣燃料電池並測定了它們的性能，研究了不同氣氛下樣品的離子導電特性及影響燃料電池性能的因素。This multi - purpose optical metering system had adopted the twyman - green interferometric system as its center, containing an advanced digital wave surface interferometry and a kind of homodyne interferometer displacement testing method with nanometer - sized capacity. at the same time, many wide - applied metering technology, for example, the diffracted field ( fringe ) measurement, co - focal lens system, optical fiber sensors and 4f ( focal distance ) space filter system which can embody the chief principle of fourier optics well, were combined into it successfully. this instrument can firstly offer and show modern optical testing method in the laboratory for majors of information processing, instrument science, measuring and testing technology and automatic technology
該多功能激光光電實驗系統以泰曼-格林干涉（ twyman - green ）光路作核心，包括先進的數字波面干涉技術和一種基於空間干涉原理的、納米解析度零差干涉儀位移測量方法，同時將多種新穎、工程實用價值高的測量技術和光路如衍射測量、共焦顯微技術、光纖傳感技術以及反映傅立葉光學基本光學原理的4f空間濾波系統也組合進去。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。Where the diffracted wavelengths are 1 / 2 wave out of step for each of these colors, the waves destructively interfere
當這些顏色的衍射波的波長相差1 / 2波長時會產生相消的干涉。In this paper, the nacre of hyriopsis cumingii ( lea ) which is one of the main freshwater pearl - forming mollusk in china is studied emphatically, as compared with the nacre of three species of saltwater pearl - forming mollusks, pinctada martensii ( dunker ), pinctada maxima ( jameson, and peteria penguin ( roding ). the basic characteristics of nacreous and prismatic layers are understood by powder x - ray diffraction analysis, trace elements analysis, amino acid composition of protein and differential thermal analysis
本文以我國主要育珠蚌淡水三角帆蚌貝殼珍珠層為重點研究對象，以三種海水育珠貝馬氏珍珠貝、企鵝珍珠貝及大珠母貝貝殼珍珠層為對比研究對象，首先通過粉末x -射線衍射、微量元素分析、蛋白質氨基酸分析及差熱分析對珍珠層及其與之密切共生的稜柱層的基本特徵進行了初步研究。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。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。In considering diffraction errors there are two factors which will lead to diffracted rays originating from outside the area defined by the selector aperture, these are important in any work where a spatially accurate correlation of the diffraction data and the micrograph is required
考慮到衍射的差錯，有兩個因素決定源自選擇孔指定區域外部的衍射線，在任何工作中這些都是重要的，當衍射數據和顯微圖之間準確的空間對射被要求時。Microstructure of the composite layer was analyzed with help of optical microscope, scanning electronic microscope ( sem ), electronic probe microanalysis ( epma ) and x - ray diffraction ( xrd ). the compacting of the billet and the forming mechanism of the carbide reinforcement were studied based on thermodynamics and kinetics of reaction, sintering theory and the result of dta. at the same time, the wear - resistance of the composite layer was studied under condition of dry sliding friction
利用光學顯微鏡、掃描電子顯微鏡、電子探針以及x -射線衍射儀，分析了表面復合層的基體組織結構；運用反應熱力學、動力學、粉末燒結理論和燃燒合成理論，結合差熱分析結果，探討了表面復合層壓坯的燒結緻密化原理和碳化物增強相的形成機理；利用坯塊在真空燒結爐不同溫度下的燒結出來的顯微組織分析，模擬出坯塊的燒結過程中的化學反應過程。Biology, etc. owing to many merits has not yet been used to measure parameters of gratings. the paper researches on the subject in view of current lack of it. the main tasks of the paper include : analyzing ellipsometric characteristics of gratings in detail with vector diffraction theory and ellipsometrics ; devising a reflective quarter wave plate at normal incidence according to some ellipsometric characteristics ; making use of normal simplex algorithm during ellipsometric inversion of gratings parameters, inversing ellipsometric parameters with gaussian noise of different standard deviations to simulate actually measured values with examples of isotropic metallic and anisotropic step gratings and testing that ellipsometry about gratings parameters is feasible with the range of certain precision ; discussing choice of incidence angle at length
本論文的主要工作包括：結合光柵的矢量衍射理論和薄膜的橢偏理論，詳細分析了光柵的橢偏特性；並且根據一些橢偏特性設計出一款正入射反射型單波長1 4波片；在光柵參數的橢偏反演中，引入正單純形法作為反演演算法，分別以各向同性的正弦形金屬光柵和各向異性的階梯型光柵為例，在標準橢偏值的基礎上加入不同偏差的高斯噪聲來模擬實際的橢偏測量值進行反演，在一定精度范圍內得出滿意的光柵參數，說明光柵參數的橢偏測量是可行的；還就入射角的選取問題進行了一定的探討。In this thesis, the physical properties of a series of na2fepo4f cathode materials synthesized by various routes are instigated and discussed in the light of structural ( xrd ), thermal ( dta ) analyses and particle size distribution. their microstructures were studied by transmission electron microscope ( tem ) and scan electron microscope ( sem ). the electrochemistry property were evaluated with cells containing the synthesized na2fepo4f as positive electrode
本文將藉助x -射線衍射、掃描電鏡、透射電鏡、差熱分析以及電化學測試等方法，系統研究多種制備法對所合成的鈉離子二次電池正極活性材料氟磷酸亞鐵鈉的微結構以及循環可逆容量、循環伏安性能、交流阻抗譜的影響。The condition under which higher - order dispersive effects can be neglected is also discussed with numerical examples. 6. based on the fourier optics, the focusing of ultrashort pulses by a silica lens in both cases of constant beam waist and constant diffraction length is studied considering dispersion of first, second and higher order, respectively
6 ，使用傅立葉積分變換法，在考慮透鏡色差和高階色散效應的較為一般情況下，分別研究了等束寬超短脈沖高斯光束和等衍射長度超短脈沖高斯光束通過硅玻璃透鏡的聚焦特性。In specific, the formulation of the rcwa for 2 - d and 3 - d metallic gratings and the formulation of the fdtd method for dispersive media are presented. a novel hybrid diffraction method, which is based on the kirchhoff - huygens diffraction formula and the rcwa, is proposed to simulate the working of a planar integrated diffraction grating
針對在光通信以及光盤存儲領域的具體應用，著重對二維及三維金屬光柵衍射問題的嚴格耦合波分析以及色散媒質散射問題的時域有限差分方法進行了公式推導。Furthermore, we compared the mechanical properties between the modified nano - cac03 / pp and unmodified nano - cac03 / pp. we have investigated the composites by means of mechanical testing, dsc, xrd, ft - ir, tem, sem, etc. the relation between the structure and property of the composites has been discussed in this thesis. we studied the nano - particles by means of ls particles size analysis, we also studied the modified nano - cac03 by means of ft - ir
論文中對caco _ 3粒子進行了粒度與比表面測試分析，對經鈦酸酯偶聯劑表面改性的納米caco _ 3粒子進行了紅外吸收光譜分析，對改性后的復合材料進行了力學性能測試、差熱掃描量熱分析、 x射線衍射譜、紅外吸收光譜、透射電鏡、掃描電鏡等分析，討論了樣品中結構和性能之間的關系。Difference iterative method was used to estimate numerically director configurations in the nlc - bl037 cell in this paper. the refractive indices and phase retard of nlc in electric field was presented on the basis of the calculation of liquid crystal director distributions. then we analysed the diffraction phenomenon when the linearly polarized light was controlled by diffraction grating which was based on rectangular grating and sinusoidal phase grating models and we got it ’ s math model 。 finally we designed the nlc phase grating and we did the experiment to validate the theoretic calculation
文中利用差分迭代法計算了向列相液晶bl037盒中指向矢分佈的計算，根據指向矢的分佈情況得到了向列相液晶的雙折射率分佈和非常光通過液晶盒產生的相位延遲隨電壓變化;並在矩形光柵和正弦相位光柵的基礎上，分析了入射偏振光通過液晶電控光柵所產生的衍射情況。The composites with different compatibilizers and nano - sio2 content were characterized by means of mechanical testing, differential scanning calorimetry ( dsc ), x - ray diffraction ( xrd ), fourier transformation infra - red spectroscopy ( ft - ir ), transmission electron microscope ( tem ), scanning electron microscope ( sem ), etc. the relation between the structure and property of the composites was discussed in this thesis
研究了不同增容劑、納米sio _ 2含量對復合材料的沖擊強度、拉伸強度等力學性能；並利用差熱掃描量熱分析（ dsc ） 、 x射線衍射譜（ xrd ） 、紅外吸收光譜（ ir ） 、掃描電鏡（ sem ）等分析，討論了復合材料結構與性能的關系。The nucleating effects of and nucleating agent on the crystallization behavior of polypropylene ( pp ) were studied by differential scanning calorimetry ( dsc ) and x - ray diffraction spectrum ( xrd )
摘要用差示掃描量熱儀和x射線衍射儀對兩種類型成核劑改性的聚丙烯的結晶行為進行了表徵。The structural characterization of v _ 2o _ 5 compounds were measured bymeans of differential thermoanalysis ( dta ) and thermogravimetry ( tg ), scanning electron microscopy ( sem ), and x - ray diffraction ( xrd ). the testsreveale that materials which were prepared by sol - gel ( inorganic sol gel andmelting - coling ) showed that the amorphous structure, and the interlayer spacingenlarge a lot than that of crystalline v _ 2o _ 5
採用熱重與差熱（ tg - dta ） ，掃描電子顯微鏡（ sem ） ， x射線衍射（ xrd ）等測試手段對材料的結構性能進行表徵，結果顯示兩種溶膠-凝膠法（無機溶膠凝膠法和熔融淬冷法）制備的v _ 2o _ 5材料均為無定型結構，其層面間距均比晶體v _ 2o _ 5成倍增大。In order to break through the choke point of the traditional design of a telephoto lens, how to eliminate aberrance by means of hybrid refraction - diffraction was studied from the view of the phase polynomial of diffractive surface and phase transformation polynomial of general lens
摘要為了突破長焦物鏡傳統設計中的局限性，從衍射面的相位多項式出發，結合一般透鏡的相位變換式，對折衍混合消像差理論進行了探討。The diffraction peak angle does n ' t change obviously as co / fe ratio, it is attributed to the radius of co fe ions are fairly similar, so the influence of substitutions on unit cell is small
而隨著co fe比的變化，衍射峰角度值變化不明顯，這是由於co 、 fe離子半徑相差不大，它們之間的位置取代對晶胞的整體影響相對較小。分享友人