雜光 的英文怎麼說
中文拼音 [záguāng]
雜光
英文
flare veiling glare-
The equation of the radiation transfer between two surfaces indicates that there are three factors that have influence on radiation transfer : brdf, projected solid angle ( psa ), and incident radiation flux. thereafter, a new baffle system design idea is put forward
本文首先介紹了光學系統雜光的抑制措施，從光輻射在兩個表面傳遞的基本能量傳輸方程出發，指出影響輻射能量傳輸的三個因子：雙向反射分佈系數brdf 、投影立體角psa和入射輻射通量。Characteristics of electro - optical x - ray image intensifiers for medical electrical equipment - determination of the contrast ratio and veiling glare index
醫用電氣設備.電光x射線圖象增強器的特性.第6部分:對比率和雜光指數測定Medical electrical equipment. characteristics of electro - optical x - ray image intensifiers. part 6 : determination of the contrast ratio and veiling glare index
醫療用電氣設備.電光x射線圖象增強儀特性.第6部分:對比率和雜光指數的測定Numerical simulation of the transformation of hermite - gaussian beams through a complicated optical system with multiple hard - edged apertures
高斯光束通過多個硬邊光闌復雜光學系統變換的計算模擬In addition, this paper discusses in details the special effect of the baffle and the vane structure on the stray light suppression, and effects of different stops on restraining diffraction and scatter stray light
同時，文章具體研究了遮光罩和葉片結構在雜光抑制中特殊作用，以及不同光闌對系統散射和衍射雜光的抑制作用。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。The variation of optical spectrum of a special kind of optical fiber has been reported after - radiation, which may be used as a new kind of optical fiber filter
摘要報導了2種結構的大芯徑石英光纖在輻照后的光譜特性的變化，發現摻雜光纖在輻照后具有光學濾波作用，由此可利用這種特性研製一種新型的光纖濾波器。Accurate stray light analysis is made by " advanced " monte - carlo technique. in order to make the calculation coincident with statistical rules, it needs establishing a 3 - d model with real physical property and tracing enough number of light rays
精確的雜光分析計算還得「改進」的蒙特-卡洛法，它需要追跡足夠多數量的光線，建立的三維模型的物理特性與實際符合，才能獲得符合統計規律的計算結果。Pst denotes optical system capability of suppressing stray light, and brdf represents material surface scatter and reflectance property. these two physical values are the base of stray light analysis and calculation
表示光學系統雜光抑制能力的點源透過率pst和材料表面散射特性的雙向反射分佈系數brdf ，這兩個物理概念是光學系統雜光分析與計算的基礎。Veiling glare coefficient
雜光系數Screen luminance for film projection ; influence of stray light and rules for its measuring
電影放映的銀幕照明.雜光的影響和其測量規則Two methods of calculating stray radiation are discussed in the paper, and calculation examples are given for each method
本文介紹了兩種系統雜光計算方法，各自給出了計算實例。Energy by colored optical glass and to receive the residual energy by photoelectric cell uniformly. the power meter has been tested for many parameters, such as : linearity, repeatability, uniformity,
行了大量的線性測試均勻性測試雜光測試重復性測試和長期穩定性測試，能夠實現功率最小至0 . 01And it is mainly made up of optic - mechanical system, ccd imaging system ( including ccd focal plane module, controlling time sequence and driving circuit, video processor and a / d switcher. ),
該測量系統由光機系統（包括定焦鏡頭、數字ccd相機、消雜光光闌、機械外殼組成） 、圖像處理系統和控制計算機構成。Thus, it is quite necessary to deeply investigate some related problems, such as stray light transfer, stray light analysis and calculation, stray light suppression method, and baffle system design, bi - directional reflectance distribution function ( brdf ) of material surface, and accurate quantitative analysis and measurement of stray light performance of optical systems, like point source transmittance ( pst ) etc. this paper introduces stray light suppression method
因此，對系統雜光的產生和傳輸、分析和計算、雜光抑制措施的採用與遮光系統的設計、材料表面brdf以及系統雜光pst的定量測試等方面進行深入研究，是非常有必要的。Looking forward from the detector position of the optical system to the object space, one can find critical surfaces and indirect surfaces in the system, and then try to remove or reduce the area of these surfaces
並據此，提出了從系統像面出發，向前搜尋雜光傳輸的關鍵和間接表面，並設法移除或減少的遮光系統設計思路和方法。I carried my research on both the two computation methods and fruitful results were obtained. for the fdtd method, i solved the instability problem of the method in the non - orthogonal coordinate system. for the pwe method, i introduce the linear transform in to calculate analytically the fourier coefficients of complicated photonic crystals
對于有限時域差分方法，我解決了一個影響這種方法在斜坐標使用的穩定性問題，得到了傳統的yee型差分在斜坐標里的擴充；對于平面波展開方法，我引入了線性變化求富里葉展開的系數，這種方法的好處可以很方便快捷的獲得復雜光子晶體的富里葉系數。This kind of led light have been prove to be having many excellent virtues and was predicted to be having the possibility of leading the lighting industry into a new revolution. for these now and future applications, it is an enormous critically important to design the illumination optics to achieve high flux - transfer efficiency, of light - emitting diode ( led )
這種方法較之現有的幾何光學和數值分析的方法更適合於對復雜光學結構的求解，所得結果不僅形象且數值解具有一定的精確度，在提高led光學結構設計的目的性和效率上具有優勢，是led封裝光學結構設計的一種有效方法。And it is mainly made up of optic - mechanical system ( including the lens of fixed focus ccd focal plane module and mechanical crust. ) image processing system and controlling computer and so on. each part is independence
該系統以計算機為系統控制處理平臺，由光機系統（包括定焦鏡頭、數字ccd相機、消雜光光欄、機械外殼組成） 、圖像處理系統和控制計算機等幾大部分組成，且各個部分相互獨立。Based on the above background and under the support of tianjin natural science foundation project : intelligent fiber amplifiers and light sources, tianjin natural science foundation project : ( c + l ) broadband fiber amplifier and nankai - delta ( tianjin ) project : development of gain flattened erbium - doped fiber amplifiers, this dissertation is mainly focused on the study of novel gc - edfa, gain and nf ( noise figure ) improvement of edfa, light sources, multi - wavelength fiber laser and voa ( variable optical attenuator )
基於以上背景，在天津市重點基金項目? ?智能型光纖放大器和光源的研究、天津市重點基金項目? ? （ c + l ）超寬帶摻雜光纖放大器和南開-達爾泰（天津）項目? ?開發增益平坦的摻鉺光纖放大器的支持下，本論文主要圍繞新型gc - edfa 、 edfa性能的優化、增益控制用光源、多波長光纖激光器以及可調光衰減器等課題進行了理論和實驗研究。分享友人