漫射角 的英文怎麼說
中文拼音 [mànshèjiǎo]
漫射角
英文
scattering angle-
With the tom set up vertically, sound waves hit the floor and bounce back into the bottom head. angling a tom slightly causes sound waves to scatter, and diffuses them
落地桶鼓垂直擺放，聲波碰到地板反射回底鼓皮。輕微調節落地桶鼓的擺放角度使聲波散射和漫反射。This paper realized the aumotic detection of assembling angle position of intravenous needles by image technology. during the study, this paper designed light with a piece of white paper and halogen lamp to take the images of intravenous needles ; analyzed in detail hu moment invariants of digital image, amended i7 and chose i1 ~ i5 and amended i7 as eigenvector groups ; put forward a method of angle recognition based hu moment invariants ; the methods above were employed by vc + +, and a prototype system of software is compiled
在輸液針的角度識別的研究過程中，用鹵素燈和白紙構建了一個漫反射體作為輸液針圖像獲取理想的光源；分析了矩不變量的不變性，修正了矩不變量i _ 7 ，選用了i _ 1 i _ 5和修正後的i _ 7來提取輸液針圖像的特徵；針對輸液針圖像的特點，提出了一種基於矩不變量的角度識別方法；在開發平臺vc + + 6 . 0上編寫了一個輸液針角度識別的軟體原型系統，實現了其演算法。Standard lamp and diffusers are very important calibration elements, in chapter three, first uv and vuv radiometric standard for calibration are introduced. then the fabrication and characteristics of baso4 diffuser and alminium diffuser are researched, the baso4 diffuser ' s hemispheric reflectance and bi - directional reflectance distribution function were measured and compared with lambtian surface, and the deviation from that of lambtian surface is given. in the experiment, al diffuser ' s brdf is researched, obtain the change of spectral characteristic of al diffuser, compare al diffuser ' s brdf before and after coated with al + mgf2, and different al diffusers with different surface roughness
鋁漫反射板作為一個漫反射光學元件安裝在太陽紫外光譜監視器的入射狹縫前，太陽紫外光譜監視器在軌測量時，太陽輻射入射到鋁漫反射板后進入入射狹縫，光譜輻照度的角度是變化的，本章測量了鋁漫反射的相對雙向反射分佈函數，研究了鍍膜（ al + mgf _ 2 ）前後光譜反射率的變化，漫反射的光譜特性及漫反射板表面粗糙度對相對雙向反射分佈函數的影響，使得測量數據反演成為可能。
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