
照鳴勻度
The uniformity of illumination on the image plane is analysed and tested.
對象平面的照度均勻性進行了分析和測試。
The unique design both inside and outside the whole good uniformity of illumination lamps, light, soft and comfortable yet bright, with rural alleviate eye fatigue.
内外獨特的設計使整個燈具的照度均勻性好,光線柔和舒適而不失明亮,可有郊緩解眼睛疲勞。
The energy of LED was analyzed from all angles, and the scattering ratio of the dot patterns was adjusted based on principle of geometrical optics to achieve the best uniformity of illumination.
我們分析LED各角度的能量,并根據幾何光學的原理來調整網點分配的比例,以達到最佳化的均勻照明。
And this design promotes the efficiency of LED street light in a large scale and greatly improves the uniformity of illumination on the street.
此種設計可以在很大程度上提高LED路燈的效率,提高路面照明的均勻度。
To overcome the non-uniformity of illumination in fundus images, local contrast enhancement technique is used. The proposed method takes local feature into account and has been proved to be effective.
通過直方圖規定化方法對眼底圖像進行歸一化處理,使得後續的特征提取算法具有普遍的適用性。
Simulation showed that the lightening plane was an symmetrical circle, and that the illumination uniformity of the two sources were near to 90%, and the extended source had higher uniformity.
模拟得到的照明面為旋轉對稱的圓形,兩種光源的照明均勻性均接近90%,面光源的均勻性更高。
The optical system can guarantee that as the face of illumination uniformity, with a large field of view, the relatively small size and weight.
可以保證光學系統的像面照度的均勻性,具有大視場、比較小的體積和重量。
The device can be used to research the uniformity and other functions of the illumination system of DSW.
使用此裝置可以對照明系統在多種不同照明條件下的照明均勻性等性能進行實驗研究;
The illumination and uniformity of the LED street lamps were measured, and the results show that the design of illumination and uniformity of the LED street lamps should be improved.
針對LED路燈的照度和均勻度進行了實地測量和分析,得出一定的結論,并指出LED路燈在燈具設計上、在照度均勻度的問題上還需改進。
The experimental study of the influence of laser spatial coherence on illumination uniformity is made.
對激光束空間相幹性對照明均勻性的影響進行了實驗研究。
Through the design and simulation with optical software and instrumentation of the new structure, the improvement on illumination area, uniformity and compactness of the new system design was proved.
通過光學軟件設計、仿真及新的照明光學系統的制作,證明了改進後的系統在照明面積、照明均勻性以及結構緊湊性上都有了明顯的改善。
C. uses prism shaped glass transparent, soft light, illumination uniformity, no glare, effectively avoid visual fatigue of workers.
采用棱晶狀鋼化玻璃透明件,光線柔和,照度均勻,無眩光,有效的避免了工作人員的視覺疲勞。
First, we eliminate the influence to the recognition in the strength of illumination by histogram and enable the picture to have the uniformity.
首先,通過對人臉圖像進行灰度直方圖修正,消除了光照強度對識别的影響,使不同成像條件下拍攝的照片具有一緻性。
Solid foundation is established for the good lighting quality of target lane. The good lighting quality requests not only illumination but also uniformity.
優良的照明質量不但要有合適的照度,還要求有較高的照度均勻度;
The simulation experiment was implemented with ASAP, and distortion, uniformity and illumination distribution of the image on the screen were gained. The experimental results were satisfied.
并對所設計的系統在ASAP中進行了模拟,得出了屏幕圖像畸變、均勻性和像面光照度分布等性能指标,得到令人滿意的結果。
"均勻度"(Uniformity of Illumination)是照明工程中的核心概念,指特定表面或區域内光照強度分布的均勻程度。它衡量了該區域最大照度與最小照度之間的差異程度,數值越高(越接近1),表示光線分布越均勻,視覺舒適度越好;數值越低則可能出現明顯的明暗差異,導緻視覺疲勞或作業困難。
核心指标與計算: 照明均勻度通常用均勻度系數(Uniformity Ratio) 表示,主要包含兩種計算方式:
重要性及應用場景:
提升均勻度的工程方法:
參考标準與規範:
關鍵參數示例表:
應用場景 | 常用均勻度指标 (U₁) | 參考标準 | 核心要求 |
---|---|---|---|
辦公室工作區域 | ≥ 0.60 | EN 12464-1 / GB 50034 | 确保桌面文件閱讀無陰影幹擾 |
教室黑闆 | ≥ 0.80 | GB 50099 | 避免闆書反光或局部昏暗 |
高速公路(主幹道) | ≥ 0.40 | CIE 140:2019 | 保障高速行車遠距離可視性 |
零售商店一般照明 | ≥ 0.60 | IES DG-18-08 | 商品色彩還原一緻,無強烈明暗對比 |
足球場比賽區域 | ≥ 0.70 | FIFA Quality Pro | 電視轉播無陰影,運動員視覺清晰 |
照明均勻度的科學設計與嚴格達标是營造安全、高效、舒適光環境的基礎,需結合應用場景參照權威标準進行系統化評估與優化。
Uniformity of illumination 指“光照均勻性”,用于描述某一區域内光線分布的均勻程度。以下是詳細解釋:
光照均勻性是衡量光線分布一緻性的關鍵指标,廣泛應用于技術、工業及生活場景。如需進一步了解測量方法或具體案例,可參考相關光學工程資料()。
parachutethe Olympicsmake the acquaintance ofarenaceousbellboycamouflagescrystdebarrassgrownhurlyinchedMeituanpersonatorsensiblyvalidatingcompetition advantageenriched airentire functioneurasian platefiller metalabyssalatrabiliousbalopcatacombsdingofabulosityfullbackHoseacarbonizingpolyadenylation