正入射 的英文怎麼說
中文拼音 [zhēngrùshè]
正入射
英文
normal incidence-
A quark ( or an antiquark ) from the projectile hadron radiates a virtual photon on impact on the target, the photon subsequently decays into a lepton pair
入射強子中的一個夸克(或反夸克)在靶的作用下輻射出一個虛光子,虛光子再衰變成正反輕子對。First the author introduces the design of the flame monitoring system based on pic16f877 mcu in details. the detector, ( ecadata company ’ s production ), si - photodiode, is used as the sensor. its photoelectric current output is proportional to input light ’ s energy
經方案比較,決定選用基於火焰的紅外光譜輻射特性的火焰檢測原理,研製開發火焰監測系統,檢測元件選擇ecadata公司生產的紅外雪崩型硅光電二極體,光電二極體在接受紅外輻射時,其產生光電流的大小與入射光能量成正比。The notable torsion effects of the surface ground motion above the alluvial valley are illustrated and the torsion effects become stronger as the frequency of the incidence is higher. ( 4 ) antiplane surface motion of the underground circular soft inclusion and the underground homogeneous soft interlayer is investigated in this paper. the results indicate : surface displacement amplitudes just above the soft inclusion of small depth - to - width ratio is amplified and soft interlayer of small depth - to - thickness ratio is amplified to a certain degree, and moreover, the latter is lower limit of the former
結果表明:垂直入射時,小深寬比軟夾塞上方地表位移幅值有較大的放大,小深厚比軟夾層的地表位移幅值也有一定的放大,且後者為前者的下限;波接近掠入射時,軟夾塞正上方地表點和軟夾層的中國地震局工程力學研究所碩士學位論文一地表位移幅值都沒有放大,而軟夾塞迎波面一側地表點的位移幅值會有一定的放大;軟夾塞上方的地表位移運動有較強烈的扭轉效應,且此扭轉效應隨入射波頻率的增高而增強。The coefficients of reflection and transmission on the interface of two uniaxial crystals under normal incidence
正入射條件下光在兩單軸晶體分界面的反射與透射系數Application the forward model we can get the profile of medium that combine in some condition, in order to conduct the attributes optimize, the paper offer some basic principle, and discuss the reliability of attributes from the character of incident wave and from the character of the inter - bed and from the reliable zoon of attributes
正演模型是我們研究地震波屬性和地球物理正問題的一種有效的方法,利用正演模型的研究,提取一些介質組合情況下常用的屬性剖面。提出了一些屬性優化的原則,並且從入射波的特性和巖性以及屬性可信度區間討論地震波屬性可靠性,指導屬性參數的優化。Electroacoustics - random incidence and diffuse field calibration of sound level meters
電聲學.聲級測量儀的隨機入射和散射區域的校正Electroacoustics - random - incidence and diffuse - field calibration of sound level meters iec 61183 : 1994 ; german version en 61183 : 1994
電聲學.聲級計無規入射聲場及擴散聲場校正It is concluded that the stress transmission rate varies with stress wave s incident angle
通過對相似模型超動態應變的測試驗證了所得理論公式的正確性,並獲得了透射率隨入射角的變化規律。In addition, a shadowing function applicable to multiple scattering is taken into account, which extends the calculation to the surface with anisotropic slope distribution
引入考慮多次散射的遮蔽函數來修正掠入射情況下的散射系數,並將計算范圍擴展到均方根料率各向異性的二維粗糙面。For parameter a, there is a close relationship exist between a ( 9, sr ) in two different radar incident angle that can be expressed as : with considering the effects of soil texture, we get the final expression of the inversion model : where mv ( t1 ), mv ( t2 ) is volumetric soil moisture content in two different temp, c, d is soil type related parameters, and v ( t1 ), s ( t2 ) is coresponding bare soil radar backscattering coefficients. inversion results show that for the c band hh polarized radarsat scansar data with a range of incidence angle from 20 to 40, the soil moisture change value can be derived with an acceptable accuracy using the above model. the temporal and spatial soil moisture change patterns are associated with rainfall and vegetation cover, as well as the soil hydraulic characteristics
利用最新發展的電磁波散射模型研究了不同植被覆蓋地表雷達波對地表土壤水分的敏感性,建立了半經驗植被雷達後向散射模型; 2 ) .研究發現在農作物等矮小植被覆蓋地表,植被層直接後向散射與植被類型相關,且在植被生長期,雷達後向散射系數對植被含水量的敏感性要高於對植被高度變化的敏感性; 3 ) .解決了單參數雷達地表土壤水分反演問題中,雷達入射角和地表粗糙度的影響這一難點問題; 4 ) .利用土壤介電模型校正了不同土壤類型對反演地表土壤體積含水量的影響; 5 ) .在以上成果基礎上,建立了完整的單參數雷達地表土壤水分變化探測反演演算法,經地表驗證,模型反演地表土壤水分變化值的精度為rmse = 0On this basis, a model of pulse damage threshold fth ( j / cm2 ) was proposed. calculations on pulses of three different envelope shapes indicate that, with the same pulse duration, wavelength and incident light intensity, fth of pulse with gaussian envelope is higher that that of the pulses with hyperbolic secant and lorentzian envelope, i. e. gaussian pulse would need a little higher intensity to induce breakdown than the other two
在這個基礎上,提出了一個研究脈沖破壞閉值的模型,對三種不同包絡脈沖的分析表明,在相同的脈寬、波長和入射光強下,高斯脈沖的破壞閉值較高,雙曲正割和洛侖茲脈沖的破壞閩值相對較低,即高斯脈沖最不容易對介質造成破壞。It reformed the coventional grazing incidence method of reflecting x ray, and made it possible to reflect x ray in normal incidence way. it moves x ray optics forward greatly
它從根本上改變了傳統的掠入射反射x光的方法,使正入射反射x光成為可能,並極大的促進了x光學的發展。It is the first time to be brought out and designed that the solar x - euv imaging telescope integrates the grazing mirror and the normal incidence mirror. this design can fully meet the applied requirements according to simulation
太陽x - euv成像望遠鏡在國際上首次提出並設計實現單臺設備集成掠入射望遠鏡和正入射望遠鏡系統,分析表明,該設計方式完全滿足應用要求。In this paper, the testing set for near - cylindrical surfaces is simulated by computer
摘要採用計算機模擬技術模擬了近柱非球面的正入射式檢測裝置。Eut is comprised of four pre - filters, four pieces of multilayer optics, four stray light rejection filters, four detectors and a vacuum chamber
Eut由前端濾光片組、多層膜正入射光學系統、消雜光濾光片組、探測器和真空保護艙五個部分組成。Also, normal incidence is difficult to realize in practice. based on the above considerations, in this work, the transmission of a gaussian beam nonnormally through a fabry - perot etalon has been investigated
基於此,同時考慮到在應用中光束正入射fpf的情況往往是很難達到的,木文就高斯光束斜入射fpf后的透射光強分佈進行研究。The optical system is optimized to achieve 0. 1 u m resolution over a o. lmm diameter image field of view and the mirrors of the objective were coated with mo / si multilayer to provide 45 % reflectance at near - normal incidence angle for 13. 0nm radiation
經優化設計后, 0 . 1mm像方視場內的成像解析度優於0 . 1 m ;近正入射條件下, schwarzschild微縮物鏡主、次鏡mo / si多層膜的實測反射率為45 。The non - singular extended 2 x 2 jones matrix is deduced to give the precise description of angular property under normal and oblique incidence. consequently, we draw a very important conclusion that the pif is insensitive to the incidence, and has a large numerical aperture
詳細推導了適用於偏振干涉濾光片角度特性分析的無奇異點擴展2 2瓊斯矩陣,對正入射和斜入射下的偏振干涉濾光片光學特性進行了精確描述,並分析出偏振干涉濾光片具有大數值孔徑的重要特性。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。When light travels through this system perpendicularly, the light after the first polarizer will divide into orthogonally polarized ordinary and extraordinary impulses. because of the difference between the extraordinary and ordinary indices of refraction of the crystal, after passing the crystal, the two orthogonally polarized impulses will be different in phase
光線正入射到這一系統,通過起偏振器后的偏振光投射到晶體上時分解為互相正交的尋常光和非常光,兩束光由於折射率的不同經過晶體時會有一定的位相差。分享友人