透射軸 的英文怎麼說
中文拼音 [tòushèzhóu]
透射軸
英文
axis of homology-
Currently in initial production, the off - axis viewing device ( oavd ) is a small viewing unit that mates with a weapon s existing receive - mounted optical sight and provides an image of the target transmitted through the scope and reflected 50 to the line - of - sight back to the firer
目前,初期生產的離軸式觀察裝置( oavd )是一種與裝在支座上的光學瞄準具相配的小型觀察器,它能將透過物鏡的目標圖像折射50到視線方向,再提供給射手。The coefficients of reflection and transmission on the interface of two uniaxial crystals
光在兩單軸晶體分界面的反射與透射系數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。The main results achieved in this thesis can be summarized as follows : 1. by means of the fourier series expansion, an approximate analytical propagation equation of flattened gaussian beams ( fgbs ) passing through an apertured paraxial abcd optical system is derived, and illustrated with numerical examples, when the transmissivity of the aperture is t ( x ) = cos ( x )
用傅立葉級數展開法研究了平頂高斯光束通過有光闌限制的近軸abcd光學系統的傳輸特性,導出了光闌透射率為t ( x ) = cos ( x )時的近似解析傳輸公式,硬邊光闌的情況可作為= 0的特例得到。The microstructure morphology, the concentration, the infrared transmittance, and the x - ray rocking curves measured showed that a long single crystal part and axial steadily distributed zone of the concentration existed in the as - grown crystals. the radial concentration distribution has relatively high uniformity
通過觀察生長態晶體中的微觀組織形貌,並測量晶體軸向和徑向上不同位置處的成分、紅外透過率和x射線回擺曲線,發現晶內有較長的單晶段和軸向成分穩定區。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入射時的光學性質.分析了單纖維反光和透光的特徵,光強分佈及反射光、透射光和散射光的相對大小;討論了在近場和遠場條件下,漫反射光和透射光光強的不同規律;通過實驗驗證了遠場時,纖維的漫射光強度與纖維直徑成正比的關系A switchable and spacing - tunable dual - wavelength linear cavity edfl is demonstrated experimentally using this kind of bragg grating for wavelength selection. it exploits the birefringence characteristic of the fbg induced by transverse strain. transverse strain loading on the fbg allows the wavelength spacing to be controlled while axial strain shifts both wavelengths together
2 .對軸向及側向應力共同作用下的光纖布拉格光柵的透射及反射光譜特性進行了理論及實驗研究,並首次把軸向及側向應力共同作用下的光纖光柵應用於光纖激光器進行波長選擇,得到了室溫下穩定工作的波長及波長間隔可調的可開關雙波長的摻鉺光纖激光器。This method has some characters : during recording of the transmissive holograms the holographic grating placed in front of the holographic plate closefittingly is used as a spectroscope. the transmissive wave is served as the object wave and the diffraction wave through the holographic grating or the deflective reflect wave produced by the silicon slice is served as the reference wave, therefore the hologram is named as self - reference image hologram. the recording results are the off - axis holograms and the twin images can be separated successfully
在記錄透射型全息圖時,將全息光柵緊貼置於記錄干板之前,而光柵起到了分光的作用,直透波作為全息圖的物光波,參考光是物光通過光柵后產生的衍射波;記錄反射型全息圖時將矽片置於記錄干板之後,利用反射矽片產生離軸參考光,因此系統僅需一束照明光束,參考光來自物光本身,因此稱之為自參考像全息圖。For bilateral symmetry objects, the techniques on symmetry - point detection and symmetry - axis extraction are presented based on harmonic conjugation relationship. for rotated symmetry objects, the techniques on rotated units description and rotated symmetry center extraction are presented based on center invariants of objects. further more, by using 3d invariants and 2d projective transformation, an approach to recover shape from part symmetry objects is realized on some conditions
( 3 )深入分析了2d對稱性目標透視成像的幾何特點,將共點四線交比用於目標輪廓上的關鍵點的特性描述中;利用調和共軛關系,提出了一種針對左右對稱型目標的對稱點檢測和對稱軸提取的演算法;利用交比關系構造了目標的形心不變量,提出了一種針對旋轉對稱型目標的旋轉對稱單元判定、旋轉中心提取的演算法;進一步利用3d不變量和2d射影變換,實現了一定條件下的對稱性目標的形狀恢復技術。The outcome suggest that, firstly, the change of light transmission with the continuous change of parameters is periodic ; secondly, as far as the degree of effect is concerned, the light transmission of air - spaced prisms is much more sensitive to the change of the parameters than that of the glue spaced ones ; thirdly, as to the prisms glued with the same dielectric, the effect of prisms whose optical axis parallels to the glued layer is intense than those whose optical axis parallels to the plane determines by the normal of incident face and that of the cut face
研究認為,激光偏光棱鏡的光強透射比隨各參量的連續變化都呈現出一定的周期性;各參量對空氣隙型偏光棱鏡的影響要比對膠合型棱鏡的影響大的多;同種介質膠合的棱鏡,各參量對光軸平行於切割斜面的設計類型比光軸平行於切割面的法線和入射端面的法線所組成的平面的設計類型的影響要大。It is proved that round - section fiber has descartes rays, and its principle and characteristics are similar to the water drops producing the rainbow in the sun
結果表明,透明圓形截面纖維在垂直纖維軸光線照射時有笛卡爾線產生,其原理與水珠在光照射時虹產生的原理相似。An analysis is made about descartes rays of transparent round - section fibers - a special internal surface reflection rays of the fiber when parallel rays strike the fibers perpendicularly to fiber axis
摘要分析了透明圓形截面纖維在垂直纖維軸光線照射時紗維內表面反射光的一種特殊現象笛卡爾線現象。In the dissertation body - of - revolution finite - difference time - domain method ( bor fdtd ) is employed as the theory mode for the analysis of axially symmetric subwavelength diffractive microlens
論文中將旋轉體時域有限差分法( borfdfd )作為分析具有軸對稱結構的亞波長衍射微透鏡的理論模型。When the vertical formation lies outside of the borehole, the effect of the borehole on the acoustic field decreases with the increase of the distance between the formation and the axis of the borehole ; when the source locates on the interface, with the increase of the azimuth of the dipping interface, the transmitted energy of the horizontal component gradually increases, but that of the vertical component decreases
當井外存在徑向分層時,隨著地層界面遠離井軸,對井內聲場的影響減小。 2 、當聲源位於地層界面以上時,隨著地層傾角的增大,水平分量透過地層界面的聲能量是逐漸增大的;垂直分量的透射聲能量卻是減小的。If residents encounter the related interference during the period of dtt test transmission, the relevant units should consider re - tuning the channels to other unused channels in the ibccds or replacing the rf output by audio - visual ( av ) inputoutput connection method, etc. residents should also report to their building management office for adjustment of reception
于數碼地面電視廣播訊號發射測試期間,如出現干擾情況,有關單位應重新調校大廈內同軸電纜系統中其他未被使用的頻道,或將射頻( rf )輸出改為聲頻-視訊( av )輸入輸出接駁方法;受影響的居民亦可透過其大廈管理處通知上述有關單位作出調校。If a optical anisotropic medium wafer is put into the mid of a polarizer and a analyser, the spectral transmission of the optical system can calculated. the transmission is determine by the birefringence and the thickness of the medium
對各向異性介質處于透光軸相互正交的兩個偏振片之間構成的光路,其光譜透過率與介質的延遲量有關,即與介質的雙折射特性和厚度有關。分享友人