均場測光 的英文怎麼說
中文拼音 [jūnchǎngcèguāng]
均場測光
英文
flat field photometry-
Considering the vectorial property of the time - average energy flow density, a new extensive definition of the light intensity has been proposed. it is expressed as the time average of the amount of energy which crosses in a unit time and a unit area, so it can be applied to measure quantity of the light intensity at any curved surface
對于非傍軸標量光場能量傳輸規律的描述則必須考慮其能流密度的矢量特性，應當採用光強的精確定義? ?單位時間單位面積上所流過能量的時間平均值來精確地描述某一橫截面上的能流，這也與光強的實際測量值是一致的。It proves that the accuracy of the obtained photon fluence by this kind of method is acceptable. overall, pulse photon fluences in the pulse accelerator and the radiation field caused by pulse reactor have been obtained by strict experimental studies and theoretical calculation in this paper. it provides the technological support to calibration of detectors for physical diagnosis in nuclear exploding
簡而言之，通過嚴格的實驗研究和理論計算，本文測得了12mv脈沖加速器的x射線譜和liftld對較寬能區的中子的let效應因子值，並通過研製的均勻固體電離室測得了脈沖加速器和脈沖堆輻射場的光子注量，解決了幾個相關的技術難題，為核爆診斷探測器的標定提供了技術支撐。Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system
該系統可通過沉積參數的精確控制，以控制沉積過程，減少金剛石膜生長過程中的缺陷，並採用光纖光譜儀檢測分析等離子體的可見光光譜以監測微波等離體化學氣相沉積過程；利用微波對材料的選擇加熱特性，通過構造等效方程，並首次將電磁場攝動理論引入到mpcvd的基片加熱材料的設計中，建立了非均勻等離子體溫度場綜合模型、復合介質基片材料的復合溫度場模型及復合介質材料溫度場攝動模型，為mpcvd的基片加熱系統設計提供了一條全新的技術路線以指導基片加熱材料的制備，並對基片加熱材料進行了設計和優選，以獲取大面積均勻的溫度場區，甚至獲得大於基片臺尺寸的均勻溫度區；作為研究重點之一，開展了微波等離體化學氣相沉積金剛石的成核與生長研究，系統地研究了在（ 100 ）單晶硅基片上mpcvd沉積金剛石膜的實驗過程中，基片預處理、甲烷濃度、沉積氣壓、基體溫度等不同實驗工藝參數對金剛石薄膜質量的影響，分別用raman光譜、 x射線衍射（ xrd ） 、掃描電鏡（ sem ） 、紅外透射光譜（ ir ） 、原子力顯微鏡（ afm ）對薄膜進行了表徵，確立了該系統上mpcvd金剛石膜的最佳的實驗工藝參數。These special optical properties make clc possess of great potential application such as testing and analyzing, using as broadband reflective polarizer or circular polarization filters and field - display and so on. the most of applications are relevant to the choice reflection property. this property depends on molecules arrangement of its planar structure
膽甾相液晶的這些獨特的光學特性就決定了它有著很大的潛在應用價值如:測試分析、寬帶反射式偏振片、圓偏振濾光片及場致顯示等，這些應用均與膽甾相液晶的平面排列態的選擇反射特性有著很大的關系，而其選擇反射特性主要取決于液晶分子的排列狀態。In this dissertation, an intelligent analyzer based on image processing technology is developed for cashmere fiber quality inspection. the setup of the intelligent analyzer includes a personal computer, a image capturing card, an optical microscope, a ccd camera, a x - y driving worktable, a printer and a set of software for image capturing and analyzing. microscopic images are captured by the ccd camera and are saved in the hard disk in digital form
系統的分析過程為：待測量纖維經顯微鏡成象后，由ccd將光信號轉換成電信號，再經圖象卡將顯微視場中的一塊區域轉化成一幅數字圖象，然後用計算機對數字化纖維圖象做分割處理（即二值化處理） ，找出待分析的纖維，通過快速纖維檢測演算法進行分析計算，測定各纖維組分的平均直徑和根數等主要參數，從而計算出各纖維組分的含量。The emergence of the ordinary digital images ( which in this paper means the digital images acquired by common non - metric digital cameras ), resolved the the problem of acquiring images quickly on the spot, and lowered the requirement for equipments and skills in photogrammetry, so that made photogrammetry a whole digital process. but all current ways to the measurement of ordinary images are based on dlt or bundles theory, which both require a lot of control points distributing properly, and are inapplicable. in order to increase the adaptability and accuracy of digital close - range photogrammetry based on common digital cameras, researches and experiments have been done on these methods in this paper, as following : 1
普通數碼影像（在本文中主要指採用普通非量測數碼相機獲得的數碼影像）的出現，解決了現場快速獲取影像的問題，且降低了近景攝影測量作業對設備及技能的要求，並使攝影測量過程成為全數字流程，但現有的對普通數字影像的量測處理演算法均是基於直接線性變換或光線束理論的，存在像控點要求多、分佈要求高、不適宜應用的缺點。Variational image sampling was employed for focus windows selection, and the harmony between resolution and field of view was implemented. a human face extracting method based on color, shape and detail features was proposed, in order to overcome restriction of method based on skin detection. a method using optical flow was introduced to segmenting moving human face in focus images, and has better perspective in surveillance situation
我們從多方面進行探討，提出用統計手段分析成像主體最可能被放置的區域，有效地減少了成像主體不在中心時引起的誤對焦；提出用解析度空間變化的手段對圖像進行非均勻采樣，達到解析度與視場的協調；提出通過顏色、形狀和細節三方面進行人臉探測，有效地克服了單純靠皮膚進行探測的局限：提出基於光流場的方法分割圖像中的人臉，適用於監控場合。The results showed that the forming constant and the fluorescence relative intensity were increased with the increase of cross - linked degree, and also, a well straight line of i vs. cross - linked degree was obtained ( where i = i - i0, i is the fluorescence relative intensity of guest in the presence of different - cyclodextrin polymer and i0 is that of guest in aqueous solution ). the electrorheological properties of suspensions of these particles in silicon oil have been investigated under dc electric field, which exhibited a significant er behavior
結果表明，超分子配合物中主-客體配比均為1 ： 1 ，其生成常數和相對熒光強度均隨交聯度的增長呈上升趨勢，且相對熒光強度的增量與對應的交聯度存在良好的線性關系。電流變液性能測試發現， 6種超分子配合物電流變液在3kv mm直流電場作用下，其屈服應力達3 . 38 5 . 98kpa ，與對應聚合物相比，平均增加了47 . 6 。分享友人