測光用立方體 的英文怎麼說
中文拼音 [cèguāngyònglìfāngtǐ]
測光用立方體
英文
photometric cube- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 光 : Ⅰ名詞1 (照耀在物體上、使人能看見物體的一種物質) light; ray 2 (景物) scenery 3 (光彩; 榮譽) ...
- 用 : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
- 立 : 動1 (站) stand; remain in an erect position 2 (使豎立; 使物件的上端向上) erect; stand; set up...
- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 體 : 體構詞成分。
- 立方 : 1. [數學] cube 2. [簡] (立方體) cube3. (立方米) cubic metre; stere
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First, to construct a recombinant plasmid pegfp - c - fos with c - fos promoter and egfp, and then transfect it into human bladder transitional cell carcinoma biu - 87 cell ; second, based on the changes of the expression of gfp in the biu - 87 cell which induced by the aconitine and hab toxins, the concentration of the hab toxins could be detected
目的:構建一個含c - fos啟動子和egfp報告基因的pegfp - c - fos重組質粒載體。體外轉染膀胱癌biu - 87細胞后,利用赤潮毒素作用后細胞表達綠色熒光蛋白的變化來檢測赤潮毒素,初步建立一種以細胞為基礎受體水平的赤潮毒素檢測方法。And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed
研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。The purposes of our work are to establish a simplified method of multiplex pcr based on chimeric primers for str loci, to develop a set of fluorescent quadriplex str system for forensic dna typing based on this method, and to validate the forensic application of the system under the guidelines of tmgdam ( the technology working group on dna analysis methods ) in order to address concerns presented in today ' s legal environment
目的本課題旨在探索一種新的str基因座復合擴增方法,我們稱為嵌合引物str復合擴增法。應用熒光標記毛細管電泳激光自動檢測技術平臺,建立一套新的法醫str基因座復合擴增體系,並按照美國dna分析方法技術工作組( thetechnologyworkinggroupondnaanalysismethods , twgdam )的指導方案進行法醫學實用性研究。Establishment and application of indirect immunofluorescence assay using polyclonal antibody against nosema bombycis
家蠶微孢子蟲抗體免疫熒光檢測方法的建立及應用7. at the first time, the reporter dye, fam was linked to the 5 " - end of the oligonucleotides of the probes, and the tamra was located at the 3 " - end as quencher dye. we use camv35s and fmv promoter, nos terminater, mark gene nptii, and aim gene pat, epsps and cryla ( b ) genes as target sequences, design pairs of sp
7 、首次以fam熒光素標記探針5 』端作為發光基團,以tarma標記探針3 』端為淬滅基團,以camv35s 、 fmv啟動子、 nos終止子、標記基因nptll 、抗除草劑基因epsps 、 pat 、抗蟲基因cry1a )為檢狽目標,設計、篩選出特異性引物和探針,優化實驗參數,建立了轉基因植物通用性熒光pcr定性檢測方法體系。Secondly, in phase unwrapping to overcome the spread of wrong point, changing the patch of unwrapping phase is done to improve the correctness of it. then, the relation between the unwrapping phase and the height of reconstructed object is discussed detailedly. the data processing, algorithm analysis and reconstructing object are done for the collecting fringe image which are all based on matlab language, in all these achievements, the improvement and innovation aspect are following : a ) in order to stabilize the interference fringe, a new equivalent shifting object method is presented by using fringe stabilizing device to stabilize the interference fringe though moving object and ccd camera which fixed on a precise moving platform together, the experimental result shows the fringe drift is less than a / 20 in five minutes, and the equivalent phase shifting precision is x / 100
論文在全面闡述了光學三維輪廓位相測量術的發展、應用現狀、研究熱點及未來發展趨勢的基礎上,簡要介紹了傅立葉變換和相移位相輪廓測量術的基本原理,對兩種測量方法存在的問題及誤差進行詳細分析和比較;針對位相解包裹錯誤點的傳播問題,作者通過改變解包裹路徑來提高位相解包裹的正確性;分析討論從解包裹位相( x , y )到再現物體的高度h ( x , y )物理量之間的關系,研究相應的演算法,利用matlab平臺,對實際採集的條紋圖像進行處理和輪廓重構,其中改進及創新工作主要表現在以下兩個方面: ( a )針對干涉型結構光場干涉條紋出現的漂移抖動對相移的影響,提出了一種用條紋穩定器穩定干涉條紋,用精密移動平臺使物體和ccd攝像頭同步移動實現等效相移的方法,建立了相應的測量系統,系統的條紋穩定可以達到。Theory and experiments of bulk - wave acousto - electro - optical ( aeo ) device, involving one - dimension and multi - dimension, are systematically studied. the thesis includes the following contents : coupled - wave equation theory of aeo interaction, determination of the optimum operating mode of aeo device, geometrical relationships of the anisotropic acousto - optic interaction, design and experiment of the aeo device. finally, the optimum design of ao device with beam steering theory is also studied
論文主要研究內容包括:一維和多維聲電光效應的耦合波方程及其衍射效率計算公式的建立、一維和多維聲電光器件最佳工作模式的選擇、聲電光晶體反常聲光互作用幾何關系的計算、 ln一維反常聲電光器件和kdp二維反常聲電光器件的設計製作以及實驗測試、正常與反常超聲跟蹤聲光偏轉器的優化設計。The experiment system for studying the interaction of high intensity ultrashort pulse laser with solid targets, the facilities and methods for measuring ultrafast hard x - ray have been built
首先建立了用於測量激光等離子體產生的超快硬x射線的、基於低本底hpge譜儀的單光子測量方法和設備。Either the boron nitride ( bn ) thin films with different cubic phase content were deposited on n - type si ( 111 ) and fused silica substrates by radio frequency ( rf ) sputtering using two - stage deposition process. the films were characterized by fourier transform infrared ( ftir ) spectroscopy. the transmittance te ( ) and reflectance re ( ) were obtained as a function of incident photo wavelengths and the thickness of films was measured by alpha - step. the absorption coefficient was calculated from te ( ) and re ( ). the optical band gap ( eg ) of the films was determined by effective medium form of formula containing eg
本文還研究了立方相含量與光學帶隙的關系,在n型si ( 111 )片和熔融石英片上沉積出不同體積分數的立方氮化硼薄膜,薄膜的成分由傅立葉紅外吸收譜標識;用紫外-可見分光光度計測量了沉積在石英片上的bn薄膜的透射光譜te ( )和反射光譜re ( ) ,薄膜的厚度用臺階儀測得。In this paper, the property difference of sio2 sols used for preparing thin films by esam method or sol - gel process has been discussed. three kinds of sio2 sols were prepared, catalyzed by hcl or nh3 h2o only, or hcl first and then nh3 h2o respectively ( please note : in following text, the sio2 sol catalyzed by hc1 first and then nh3 h2o and its correspondent films will be named sio2 sol 1 # and film 1 ; the sio2 sol catalyzed by nh3 h2o only and its correspondent films will be named sio2 sol 2 # and film 2 # ). through investigating the assembling properties of the sols, observing thin films " microscopic structure with tem and testing their transmissivity with 721 spectrophotometer, we find that the first kind of sol is not suitable for preparing esam films, but the last two, i. e. sol 1 # and sol 2 #, are good
本文討論了esam法制備薄膜所用的溶膠與sol - gel法所用的溶膠在性能上的區別,在hc1或nh _ ? h _ 2o分別單獨催化和hc1 nh _ 3 ? h _ 2o分步催化三種催化條件下制備了sio _ 2溶膠(以下規定hc1 nh _ 3 ? h _ 2o分步催化的sio _ 2溶膠為1 ~ #溶膠,相應的薄膜為1 ~ #薄膜, nh _ 3 ? h _ 2o催化的sio _ 2溶膠為2 ~ #溶膠、相應的薄膜為2 ~ #薄膜) ,在通過組裝薄膜並用透射電鏡( tem )觀察薄膜微觀結構以及用721分光光度計測試樣品的光透射率,得出了后兩種催化方法所制備的溶膠適合於esam法鍍膜,而第一種溶膠不適于用此法鍍膜的結論,用傅立葉紅外光譜( ft - ir )研究了溶膠組成;用差熱失重分析儀( dta - tg )對膠體進行了熱分析。It presents a mathematical heat transfer model of air and soil temperature in greenhouse basing on the theory of transmission of heat. the model calculates the heat diffuse coefficient of soil by difference method and establishes regression equation on experimental data by sas
基於傳熱學的熱傳導方程,利用測試的地溫數據,選用差分法計算了土壤熱擴散率,應用sas軟體擬合了非線性方程,建立了日光溫室土壤溫度場的數學模型。Lms ( laser measurement system ) is calibrated by the vision system in this research, with an objection to fuse the data received by the lms and those from the ccd cameras, which is the base for the later slam work
激光測距雷達的精度較高,方向性好,在移動機器人研究中得到了廣泛應用。本課題提出了一種基於雙目攝像機立體視覺系統對激光傳感器進行標定的演算法。Presented four methods of laser collimation, realized 3 of them with the software of zemax, and meted the requirement of the system design ; 3. realized the laser beam expanding from point - laser to line - laser wide enough to cover the flange trackside ; 4. after image grabbing and processing, picked up the profile of the train wheel
作者獨立完成的工作包括: 1 、提出了曲面測量的光學系統的整體方案; 2 、提出了四種激光擴束的方案,用光學設計軟體zemax完成了其中三種的設計;經過像差分析和追跡,達到了準直擴束的要求; 3 、點光源到線光源的單方向擴展,達到了覆蓋輪緣踏面的要求; 4 、通過實驗採集圖像和圖像處理,提取出被測輪緣的輪廓。According to the raman selection rule and the pl measurement, it is reasonable to evaluate the quality of galnp / algalnp mqw by analyzing the relative intensity ratio of a1p - lo / to. ( 4 ) a new modified random element isodisplacement ( mrei ) model is set up to calculate the dependence between the long - wavelength optical phonon frequencies and the composition of iii - v - type ab1 - xcx mixed crystals. the second neighbor force constants are still assumed to be a linear variation with the composition, but the two first neighbor force constants can be evaluated to be a negative exponent variation with the composition, using the overlapped repulsive potential of the ion crystal combination
通過實驗我們找到了在這些結構參數上生產gainp algainpmqw的較理想的結果; ( 3 )首次用喇曼( raman )散射方法研究了常溫下的gainp algainp多量子阱結構,除了指認出喇曼光譜中各光學聲子模外,還結合樣品光致發光譜的測量結果,分析發現喇曼光譜中alp - lo to的相對強度比可以在一定程度上評定晶體gainp algainpmqw的生長質量; ( 4 )在修正的隨機元素等位移? mrei模型的基礎上建立了一個新模型,計算了ab _ ( 1 - x ) c _ x型?族半導體混晶的長波長光學聲子模頻率的組分變化關系。But for some special medium materials, such as liquid crystal display controller pcb, magnifiers must be used to gather images to gain enough precision of inspection for the weak contrast between the basic board and the conductor. the images near the light axes are much cleared than that far away from the light axes, so the images can not be simply segmented by black and white and inspected with the methods of pcb which are based on the black white image
但對於一些特殊介質材料,如液晶顯示控制電路板的檢測,由於基板和導體之間對比度不大,而且為了達到檢測精度,必須採用放大鏡頭進行圖像採集,成像系統光軸附近的圖像成像質量較好,而偏離光軸較遠的圖像質量較差。不能通過簡單二值化來很好地分割圖像,而已有的印刷電路板檢測方法都是建立在二值圖像進行分析的基礎上。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。With the development of the technology of the computer stereovision, the binocular stereo sensor has applied in field of industry detection, object identification, robot automatic guidance, navigation etc. with the appearance of new opto - electronic scanning technique, automatic technique, highspeed data processing technique and more effective algorithm, the binocular stereo ranging method has new headway and application the contents are arranged as following
隨著計算機視覺技術的不斷發展,立體視覺傳感器得到越來越廣泛的應用,尤其是雙目視覺傳感器的結構簡單、使用方便、速度快、精度高等諸多優點被廣泛應用地于工業檢測、物體識別、機器人自導引、航天、航空及軍事等很多領域。隨著新型光電掃描技術、新型陣列型光電探測器件及更有效的演算法出現,結合迅猛發展的自動控制與高速數據處理技術,立體視差測距方法有了新進展及應用。But the standard mc has some shortcomings : firstly, the standard mc picks up isosurfaces by threshold, however, threshold segmentation is invalid for picking up tissues or organs from some medical images ; secondly, the standard mc pocesses cubes one by one, that is to say, all the cubes will be checked, and the algorithm spents 30 % - 70 % of time to check the null units, so we need a reasonable data structure to travel the space data and accelerate the checking or filting of null units ; thirdly, the standard mc has a large scale of triangles, normally, the tissue or organ reconstructed includes hundreds of thousands so much as millions of triangles, this means it hardly to execute real - time rendering or interaction ; lastly, the standard mc can not get the very smoothly surface mesh, and there will be some unexpected accidented cases, especially in the case of big errors in oringinal data
但是標準mc演算法存在較大的問題:標準mc演算法實質上是通過閾值分割來提取等值面,閾值分割對某些醫學圖像的組織或器官的提取難以得到較好的效果;標準mc演算法是逐個移動立方體來進行處理,就是說對所有的立方體都要進行一次檢測,演算法執行中30 % ~ 70 %的時間用在對空單元的檢測上,因此需要有一種合理的數據結構對空間數據進行有效的遍歷,以加速對空單元的檢測和過濾;標準mc演算法產生了大量的三角面片,一般重建的組織或器官包含數十萬甚至上百萬的三角面片,難以實現實時的繪制和交互操作;標準mc演算法得到的表面網格並不光滑,會有一些不期望的凹凸,特別是在原始數據有較大誤差的情況下尤其突出。In this paper they study a position - detecting system based on microprocessor and psd ( position sensitive detector ). the method is as follows : when the ac - signal from psd which is illuminated by modulated light source passes through an active band - pass analog filter, it filters the ac signal which represents the object light source. then the dc - converter circuit transforms it into dc - signal which is used to calculate the position
這一系統採用的方法是通過對位置敏感探測器psd受到調制目標光源照射后輸出的模擬交流信號進行有源帶通濾波,提取出代表目標光源的調制頻率成份,再將該信號轉變為用來參與位置解算的直流信號,然後選用單片機組成硬體電路,對直流信號進行採集處理並與計算機建立通信,把數據送入計算機進行位置解算,分析判別目標光源和psd器件的相對位置。Meanwhile, the theory of image connection and the connection method of the front and hind image data are analyzed and probed. a measurement system that consists of lcd, ccd, and image card is designed, it can project and obtain grating image simultaneously
研製了由lcd投影儀、 ccd攝像機、圖象採集卡和工作臺等組成的三維物體測量系統硬體裝置,實現了用一臺計算機同時控制投影和採集光柵圖象,並建立了一套簡單、快捷的系統調整方案。分享友人