正入射反射 的英文怎麼說

中文拼音 [zhēngshèfǎnshè]
正入射反射 英文
normal-incidence reflection
  • : 正名詞(正月) the first month of the lunar year; the first moon
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  • : Ⅰ名詞1 (方向相背) reverse side 2 (造反) rebellion 3 (指反革命、反動派) counterrevolutionari...
  1. 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

    強子中的一個夸克(或夸克)在靶的作用下輻出一個虛光子,虛光子再衰變成輕子對。
  2. This review and our recent studies suggest that : ( 1 ) baroreceptor reflex is blunted in heart failure ; ( 2 ) central angiotensin ii and reactive oxygen species play an important role in blunted baroreceptor reflex ; ( 3 ) cardiac sympathetic afferent stimulation and chemoreceptor reflex inhibit baroreceptor reflex ; and ( 4 ) exercise training normalizes abnormal reflexes in the heart failure state

    本綜述及我們近年的研究表明: ( 1 )在心力衰狀態下壓力感受性功能明顯減弱( 2 )中樞血管緊張素和活性氧在壓力感受性功能失調中發揮關鍵作用; ( 3 )心交感傳刺激和化學感受性能抑制壓力感受性; ( 4 )適當的運動可以部分糾異常的心血管活動。
  3. The coefficients of reflection and transmission on the interface of two uniaxial crystals under normal incidence

    條件下光在兩單軸晶體分界面的與透系數
  4. Green fluorescent protein ( gfp ) gene was conjugated to the 3 " end of the pap gene in order to screen easily of the transgenic cotton plants. the combined gene was cloned into plant expression vector pbi121 and then transformed. about 5000 seeds of the transgenic cotton were obtained and the some seedlings of the transgenic cotton could give a bright green fluorescence in the dark condition when the cotton seedlings were irradiated with ultraviolet rays

    為了便於轉基因棉花後代的篩選,在pap基因的3 』端融了綠色熒光蛋白gfp )基因,然後將融合基因克隆在植物表達載體pbi121上,再進行遺傳轉化,得轉基因棉花種子5000餘粒,將種子播種長到于葉展開時,先在黑暗中用紫外燈照,查找表現綠色熒光的幼苗,然後再用地高辛( dig )標記的pap基因特異性探針對這些棉花進行點雜交,最後發現有8株棉花表現陽性應,說明pap基因的確己經轉到了棉花的基因組中,其棉花黃萎病的抗性鑒定在進行之中。
  5. 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,植被層直接後向散與植被類型相關,且在植被生長期,雷達後向散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演問題中,雷達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了不同土壤類型對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演演算法,經地表驗證,模型演地表土壤水分變化值的精度為rmse = 0
  6. On the basis of theories of physics, geometrical optics and photometry, the optical properties of collimated light beam incident upon single fiber perpendicular to the fiber axis are studied. by exploring the behaviors of reflected light and transmitted light from single fiber, the distribution of the light is described and the proportionalities between the intensity of the reflected, transmitted and scatered light are obtained respectively, and the different laws governing the intensity of diffused light and transmitted light from single fiber between near and far field are discussed. experiments demonstrate that the decrease of projecting light in far field is in direct proportion for the increase of fiber diameter, which serves as the theoretical basis for a series optics equations, as well as for the designment for photoelectric deviccs for detecting fibers

    結合物理學的基本原理和幾何光學的基本規律以及光度學的基礎理論等三方面,研究了單纖維在平行均勻光束垂軸時的光學性質.分析了單纖維光和透光的特徵,光強分佈及光、透光和散光的相對大小;討論了在近場和遠場條件下,漫光和透光光強的不同規律;通過實驗驗證了遠場時,纖維的漫光強度與纖維直徑成比的關系
  7. This paper designs an optical system based on above to measure the small angle of the laser beam. a non - polarized beam splitter ( npbs ) is used to split the incident beam into two branches, and a rhombic prism agglutinated by two right - angle prisms is placed to realize total internal reflection twice in each branch. it not only improves the measurement sensitivity and linearity, but also increases antinoise ability by the differential optics

    本文是基於這一原理設計了測量光束微小偏轉角的光路系統,用消偏振分光棱鏡將光分為兩路,並在兩路分別用兩個直角棱鏡組成的斜方棱鏡來實現兩次全內,不但提高了測量靈敏度和線性,還利用差分光路的特點提高了抗干擾能力。
  8. 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。
  9. In this paper, the emphasis is the application of the fdtd arithmetic in slot ' s scattering. this method modifies incidence wave and the reflected wave from conducted plane, and that result in the fdtd scattering formulations are only about the scattering field of slot

    論文重點研究了fdtd演算法在無限大導電平面上縫隙的散計算中的應用,該演算法對波和平面波進行了處理和修,最終,在fdtd散公式中只計算縫隙的散
  10. 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 ;近條件下, schwarzschild微縮物鏡主、次鏡mo / si多層膜的實測率為45 。
  11. 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;在光柵參數的橢偏演中,引單純形法作為演演算法,分別以各向同性的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不同偏差的高斯噪聲來模擬實際的橢偏測量值進行演,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;還就角的選取問題進行了一定的探討。
  12. On the contrary, his eyes wet with tears, pierre looked joyously at this bright comet, which seemed as though after flying with inconceivable swiftness through infinite space in a parabola, it had suddenly, like an arrow piercing the earth, stuck fast at one chosen spot in the black sky, and stayed there, vigorously tossing up its tail, shining and playing with its white light among the countless other twinkling stars

    與之相,皮埃爾興高采烈地睜開他那雙被淚水沾濕的眼睛,凝視著這顆明亮的彗星,它彷彿以非言語所能形容的速度沿著一條拋物線飛過這遼闊的空間,忽然它像一枝進土中的利箭,在黑暗的天空楔它所選定的地方,停止不動,它使盡全力地翹起尾巴,在無數閃爍的星星之間炫耀自己的白光。
  13. In the analysis of the frequent spectrum and the reflection coefficients, based on goda ' s two - points method which fit to the normal incident wave, a modified two - points method is derived that can be used to calculate the frequent spectrum and reflection coefficient of the oblique waves from which the frequent spectra of incident waves and reflected waves incoming in arbitrary angular, the bulk reflection coefficient and the frequent spectrum of reflection coefficient could be computed, also from which in theory the waves could be measured in two wave gauges which is disposed at any direction

    為了分析單向不規則波波的頻率譜和系數,本文在goda用於分析向不規則波的兩點法的基礎上,提出了可用於斜向不規則波頻譜分離及其系數計算的改進兩點法,該方法可用於計算任意波浪角的波譜、總體系數和系數的頻率譜,並且測量波浪過程的兩浪高儀可在較廣的方向范圍內布置。
  14. The conclusions are as follows : the ultrasonic intensity is proportion to the laser intensity ; the ultrasonic induced by a laser line source has much more advantages than by a laser point source, such as stronger energy, higher snr, more directivity and shape ; the intensity of cfpi ' s output signal is linear with ultrasonic vibration velocity, and is effected by incidence angle and scattered angle ; snr will increase by reducing cfpi ' s bandwidth, reducing incidence angle, increasing cavity ' s length and reflectivity

    在分析點光源激勵聲表面波機理的基礎上,求出了線光源激勵的超聲振動的位移表達式,發現線光源激勵的近場區表面波具有波形好,信噪比高,指向性好,幅度強等特點。通過理論推導,得出共焦fabry - perot干涉儀的輸出光強除了與樣品表面的振動速度成比,並與角和散角有關;適當減小cfpi的帶寬,增加腔長,增大鏡面率,或者減小檢測角都可以提高系統的信噪比。
  15. Solving the static correction problems under complex near - surface conditions is a systematic engineering. first, careful field weathering investigation must be done, then we have to take full advantages of refraction first - break information and field weathering investigation information to compute field static correction and large residual static corrections with various refraction first - break statics methods, finally, reflection statics methods are used iteratively to solve the residual statics problems. to solve serious static correction problems in complex near - surface areas of western china, different refraction first - break statics methods are studied in this thesis. the main study contents are as follows : 1 ) the propagation features of refraction for horizontal layered and dip media are studied firstly, it lays a good theoretical foundation for later statics method studies

    本文針對目前西部油氣勘探中迫切需要解決的復雜地表區靜校技術難題,對初至折波解決二維和三維長、短波長靜校問題的演方法進行了深的研究和探討,研究內容主要包括( 1 )水平層狀和傾斜界面折波的傳播規律,為后續的折靜校方法研究奠定理論基礎; ( 2 )二維復雜層狀介質地震折演方法,該方法可適用於折面起伏不大、低速層和折層速度變化不大的情況。
  16. Mirror is used instead. catadioptric telescopes use both a lens, called correcting plate, and a mirror

    顧名思義,折式則在口處有一塊稱為修鏡的透鏡及在底部有一塊凹鏡。
  17. By solving the christoffel equation, the relationship between velocity and angles is obtained, and the ultrasonic inverse velocity curve is illustrated. the dixon equations of ao diffraction on the xoz and yoz planes in ln crystal have been applied to obtain the geometric relationships of acousto - optic interaction. therefore, the beam steering theory is proved to be a possible way to do the optimum design of ln anisotropic acousto - optic deflector. the detailed parameter data and the figures on the xoz and yoz planes with the angle of incidence of - 5 degree are shown up, which will contribute to the desigh of aod

    對鈮酸鋰超聲跟蹤常聲光偏轉器進行優化設計,經研究計算得到了分別在角取- 5o時xoz與yoz工作平面中負一級衍中分別使用快切變波與慢切變波的情況下,優化設計鈮酸鋰超聲跟蹤常聲光偏轉器的設計參數,對聲光偏轉器生產設計有實際參考意義。
  18. The several ones that have more lager sensitivity to embankment settlement are found out. then, aimed at the traditional three - layer bp network ' s shortages : easily getting into local minimum value and slow convergence, the modification combined momentum method with self - adaptation study velocity is made, and one improved bp network is put forward. finally, according to the results from above sensitivity analyses, the nonlinear model main parameters of each natural layer in roadbed are approximately rectified using the improved bp network technology founded on its stronger nonlinear mapping capacity and the settlement measurements

    採用非線性有限元程序,對鄧肯-張模型中8個參數與路堤沉降的關系進行了詳細分析,找到了影響沉降的主要參數;接著,針對傳統的三層bp網路具有收斂速度慢、易陷局部極小點等不足,對其進行了修,提出了改進的bp神經網路模型;最後,根據上述靈敏度分析結果,基於改進的bp網路模型較強的非線性映能力和前期沉降實測資料,對路基中各天然土層的非線性模型主要參數進行了分析修; ( 4 )路堤沉降計算一維法中考慮應力歷史、側向變形的研究。
  19. If properly oriented in front of the user ' s eye, the beam splitter can reflect the image of a computer display into the user ' s line of sight yet still allow light from the surrounding world to pass through

    把分光鏡擺在使用者眼前的確方位,就能使電腦顯示器的影像使用者的視線,又仍然能讓周遭環境的光線穿透進來。
  20. This paper particularly focuses on the theory and implementation of how to inverse underground structure by comparing incident wave and scattering wave, and recording the spare time of the waves, and forward calculations for igneous, metamorphic and sedimentary rocks are carried out to verify the feasibility

    著重論述了利用慢衰減電磁波的波和散波的振幅關系,以及電磁波的走時關系演地下介質參數的基本原理及方法,同時,針對火成巖、變質巖和沉積巖,通過演理論計算,說明了慢衰減電磁波測深的可行性。
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