有效象素 的英文怎麼說
中文拼音 [yǒuxiàoxiàngsù]
有效象素
英文
active picture elements-
The procedure functions in the compare between partial image of dynamic collection and corresponding image of the airscape. in chapter 5, basing on the analysis of correlative theory of digital image, we introduce the improved fasted - down algorithm and simulative anneal algorithm, which applies to nn calculation, an d bring forward the unique and effective means, correlative original value evaluation. basing on the combination of correlative arithmetic, a stable, high - speed and exact correlative arithmetic is formed, which makes it possible to apply computer vision detection of single - needle quilting in industrial production
本文展開研究並取得一定成效:構建了基於pci總線的微機實時圖像採集系統;在採集的布料總圖(鳥瞰圖)的基礎上,通過數字圖像的數字濾波、圖像增強、邊緣檢測等處理,提取布料圖像的邊緣,對輪廓的矢量化的象素點進行搜索,得到相應的圖案矢量圖,從而確定絎縫的加工軌跡,生成加工指令;在進給加工過程中,主計算機對動態局部圖像與總圖(鳥瞰圖)的對應部分進行圖像相關的匹配計算,應用數字圖像理論,結合神經網路計算的改進最速下降法和模擬退火演算法,提出獨特而有效的相關迭代初始值賦值方法,形成穩定、高速和準確的相關運算,實現單針絎縫視覺測量和自動控制。Using the way combining the mathematic morphology top - hat and gauss matched filtering can effectively reduce the influence of the inherent fovea and the marginal noise brought forth by the retinal camera caliber in retinal image and increase the precision of retinal image segmentation and feature point extraction
文中提出了採用灰度數學形態學中的top - hat變換和高斯匹配濾波相結合的方法,用來有效的降低視網膜熒光圖像中固有的小窩現象及眼底照相機的口徑所引起的視網膜圖像邊界像素噪聲,極大的提高了圖像分割及特徵提取的精度。Abstract : the early embryo developmental block is a common phenomenon in mammal when embryos are cultured in vitro. many studies of phosphorus, glucose, hypoxanthine and cytoplasmic factors on early embryo developmental block carried out by different methods such as morphology, biochemistry, molecular biology and micromanipulation have been reviewed. the merit and shortcoming were analyzed and the necessity of using simple or components limited media overcoming early embryo developmental block were also reviewed. media that have been shown effective in overcoming early embryo developmental block in mouse, rat, hamster, rabbit, pig, sheep, cattle and monkey were listed
摘要哺乳動物胚胎在體外培養中普遍存在早期發育阻滯的現象.對此,人們用形態學、生物化學、分子生物學、顯微操作等手段開展了磷酸、葡萄糖、次黃嘌呤和細胞質因素對早期胚胎發育阻滯的影響的研究.本文綜合分析了共培養系統的優缺點.說明了採用完全成分已知的培養液對進行有關研究的必要性.列出了有效運用於克服小鼠、大鼠、倉鼠、兔、豬、羊、牛、猴等動物早期胚胎阻滯的成分已知的培養液的名稱。Accumulate the process of the piece, to the classroom teaching, is a teacher according to the actual need of the teaching, face the different teaching object, aim at one some teaching stage and the teaching targets, make use of the teaching material well, combine the teaching strategy, create a lesson piece with valid phantasmagoria
積件的過程,對課堂教學來說,就是教師根據教學的實際需求,面對不同的教學對象,針對某一教學階段和教學目標,充分利用教學素材,結合教學策略,製作出千變萬化的有效課件。Active picture elements
有效象素In chapter five, the research work focus on color gamut transform correction in panel display. a method of color gamut transform correction which introduces the concept of virtual gamut space is presented to solve the problem of luminance and chromic disuniformity which arises from the differentia of chromic and drive characteristics of each module or pix on the same display panel. and the high quality of image displayed on the panel is ensured
提出了克服同一種平板顯示屏由於各個顯示模塊(顯示象素)的色度空間特性和中國科學院長春光學精密機械與物理研究所博十學位論文基十擬合逼近理論的平板圖像顯示技術研究基色驅動顯示特性的差異而造成的平板顯示屏色度和亮度分佈不均的有效方法,解決了平板顯示屏的全屏幕亮度、色度一致化的問題,保證了高質量視頻圖像的顯示。He termed this phenomena observational learning and characterized the elements of effective observational learning as attention, retention, reciprocation, and motivation
他把這種現象叫做觀察性學習並把有效的觀察性學習的要素歸納為注意力,恆心,互換性及激勵性。Based on unsupervised learning, sparse coding is suitable to describe images with non - gaussian distribution and can get rid of the high order redundancy among the image pixels. since the basis function of sparse coding has build - in clustering property, it increases the inter - class variations of the features
稀疏編碼是一種基於非監督學習的演算法,它適合描述具有非高斯分佈的數據對象,能夠有效地消除圖像象素點之間的冗餘,並具有內在的聚類特性。Then, plenty of students who has different background are enterring the university ( or colledge ) which brought difficulties to teaching. all these new things and difficulties about teaching need to be studied carefully
高等學校教學對象是身心已經比較成熟的大學生,其社會化程度較高,了解他們對課堂教學的需求對于提高教學有效性、提高教學質量而言是極為重要的因素之一。Practice showed that if added to certain fish meal, soybean meal in the cornmeal, and to ensure that protein content of 20 per cent or more, to make up for the corn protein and vitamin content lower insufficient, it will be effective in preventing diarrhea piglets, fur lackluster phenomena, and increasing weaning weight while do not use complete granular feed
實踐證明,如果乳豬不採用全價乳豬顆粒料,可在玉米面中添加一定的魚粉、豆粕等高蛋白質飼料,並保證其蛋白質含量在20以上,以彌補玉米蛋白質和維生素含量較低的不足,可有效防止仔豬腹瀉、皮毛無光澤等現象,並可提高斷奶窩重。Them, the thesis has chosen three china ' s cases as object of study, corporatism and social resource theory as theoretical perspective, and the function of npo integrating social welfare resources as the point of study to research the mechanism of npo integrating social welfare resources, the factors which bring down its effects, the motive power of the development of npo in social welfare field. then, the conclusion comes into being : the instituting and running of a npo which has specific object is a effective mechanism to integrate social welfare resources ; in practice, npo can integrate social welfare resources by instituting former and informer social network ; the factors which bring down its effects include policy and themselves ; and there is several kind of power which can motive the development of npo in social welfare field
本文選取了在發展程度上呈梯次性的中國三個個案為研究對象,以合作主義和社會資源理論為理論視角,以非營利組織對社會福利資源的整合功能為切入點,探討了非營利組織整合社會福利資源的機制、其效果的制約性因素、以及在社會福利領域推動非營利組織發展的動力,認為定位明確的非營利組織的成立與運營為社會福利資源的整合提供了一條可供選擇的有效的途徑,發現在實踐中非營利組織可利用正式的和非正式的兩種網路建構來開發整合社會福利資源,而現階段其整合效果受到政策環境和自身能力等因素的制約,推動非營利組織發展與能力健全的力量源泉主要來自需求推動、政策推動、專業知識推動和國際交往推動。First, the article introduces main theories of interest rate transmission mechanism in western countries, and then studies the actuality of the effect of interest rate transmission mechanism in china demonstratively. after that, based on the essential analysis of the efficiency about present transmission mechanism, the article discusses the factors that restrict and influence interest rate transmission mechanism of monetary policy in china, from microeconomic factors and macroeconomic environment respectively. finally, the article puts forth the reformation target of monetary policy interest rate transmission mechanism and the corresponding innovation proposals to enhance the effect of the interest rate transmission mechanism in china
本文在借鑒和吸收前人研究成果的基礎上,採用了規范性研究和實證研究相結合的方法,構建了關于貨幣政策利率傳導機制有效性研究的合理的分析框架:文章首先介紹了西方貨幣政策利率傳導機制理論,著重分析了這些理論發揮作用的途徑和模式;其次,通過各種數據分析了我國貨幣政策利率傳導機制的現狀;接著針對我國利率傳導機製表現出的獨特現象分別從微觀因素和宏觀環境兩個層面研究了弱化其有效性的各種因素;最後,針對上述因素提出了加強我國貨幣政策利率傳導效率的政策建議。The thesis establishes a theory system of contemporary furniture display of exhibitions through systematic analysis and many thinking modes : i. based on the connotation of furniture display and the backgrounds of the development of the exhibitions, the thesis clarifies the connotation and extensive meaning of contemporary furniture display of exhibitions : it is professional display activity which takes the furniture as the carrier and the efficient information transmit and trade as the basic purpose ; it is a systematic, multidimensional space design which is completed in special place, by special group of people ; it is a perfect unite by function, technique, art, culture, which embodies the inevitable alternative from simplicity and practicality to the humanism ; it is an effective distribution method that boosts the development of furniture firms and exhibition activities
本文綜合運用了系統分析法和各種設計思維方法,確立了傢具展覽會展示設計的理論體系:一、本文首先從傢具展示設計的內涵與展覽會發展的背景入手,明確指出當代傢具展覽會展示設計的內涵與外延:是以傢具為信息載體,以高時效的信息傳遞和交易為根本宗旨的專業性的展示設計活動;是在特定空間內完成的、由特定人群參與的、系統的、多維的空間設計;是功能、技術工藝、藝術形象、文化內涵的完美結合,體現的是人類設計由簡單實用到實用之外蘊含有各種因素的人性化趨勢的必然選擇;是一種行之有效的傢具營銷方式和推動展覽業與傢具產業發展的有效途徑。A detailed examination of the historical uses of noni, the modern research concerning its principal nutrients, and a wealth of data from various doctors and other health professionals from around the world, all of which indicates that noni is one of today ' s most promising and impressive natural healing agents
《諾麗奇觀》一書詳細考察了諾麗果的傳統用途、對其主要營養素的現代研究以及世界各地的醫生和健康專家們所提供的豐富資料,表明諾麗是當今最有效、最令人印象深刻的天然醫用劑。With the new demands, the traditional methods for location selection reveal some shortcoming : there is obvious difference between the abstract mathematical models and the practicalities ; it is very hard to consider all the complex and abstract factors with the traditional methods ; the abundant data can not be organized and analyzed efficiently ; the traditional methods can not provide the decision - makers some visual and interactive tools to analyze the location problems
面對新的要求,傳統的選址決策方法暴露出其固有的不足,主要表現在抽象的數學模型往往容易脫離實際;難以全面考慮復雜、抽象的選址要素;不便有效組織多源的相關數據進行綜合分析;不能為決策人員提供直觀、交互的分析工具等方面。The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault , researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system , a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows : this paper compared some existing methods in excitation control , fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 , indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which , discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations , made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations , which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations , there were several very important parameters of power system - - rotor angle ( ) , rotor speed ( ) , generator q axis voltage ( eq ) , transient voltage ( e ' q ) , active power ( pe ) , mechanical input power ( pm ) , valve opening ( ) , generator terminal voltage ( vt ) , based on the model , nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault , which achieved better postfault regulation compared with another two routine methods , one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either
在介紹逆系統理論的基礎上,詳細介紹了dfl理論,通過比較闡明了dfl理論其本質是逆系統方法的一類,並結合具體課題推導出的模型方程將dfl理論進行了擴展,使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程,此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ,在此基礎上建立了實用的電力系統簡化的數學模型,並將擴展的dfl理論應用於此模型系統,結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器,通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門(考慮發電機的飽和因素)進行了對比,證實了採用此種控制器可以有效地提高電力系統的暫態穩定性,並且在電力系統遭受小干擾時同樣具有良好的調節性能。Up to now, there are clear understanding of the action mechanism of azadirachtin and toosendanin, which are the main active ingredients in melia plant, and some new products have been developed as well
目前,國內對楝屬植物的主要活性成分印楝素、川楝素的作用對象、作用機理等方面都有較明確的認識,並已開發出一些有效的新產品。In terms with the principle of fusarium oxysporiun caused plant disease : bundles were blocked and fusarid acid killing cells was formed by hyphae so that caused water metabolism abnormal and plant wilting. in order to find out effective method of anti - fiisarium oxysporuin, long ya lillium was taken as material with plant tissue culture and genetic transformation techniques in this paper
針對尖孢鐮刀菌的致病機理:菌絲阻塞維管束引起水分代謝失常和菌絲在植物體內產生毒素(鐮刀菌酸)損害膜結構造成代謝失常,從而導致植物萎焉。本實驗以龍牙百合為研究對象,應用細胞工程中的離體培養方法並結合轉基因技術,以期找到抗尖孢鐮刀菌的有效途徑。For example, the geometric effect and vignetting are simulated with the synthetic method in which they are modeled with ray tracing and then simulated with pixel - based processing. the effects of detector noise on imaging are simulated with the three - dimension model. the theory of pixel transfer function is extended and developed, and microscanned images of four patterns are simulated with good results
本文具有如下幾個突出特點:用光線追跡法分析建模,而用基於象素處理的綜合方法,模擬了光學系統中的幾何效應和漸暈現象;利用三維噪聲模型,模擬了探測器噪聲對圖像質量的影響;對象素傳遞函數理論進行了擴展和延伸,給出四種工作模式的微掃描成像系統的象素傳遞函數的具體數學表達式,並利用這些表達式模擬了探測器的空間效應和微掃描成像的圖像效果。During this period, area selecting, sampling, interviewer training, pilot testing and questionnaire revising were took action to ensure the quality of the research. then the author established the database on the requirements of hml and used it to analysis the shanghai household " s apparel consumption decision - making behavior and its influencing factors
期間先後進行選取調查地區、調查對象及進行調研員的培訓等工作,同時對調查問卷也做了設計修改,採用入戶跟蹤問卷調查的方法,得出有效數據,建立基於hml數據挖掘技術要求的數據庫,並運用hml數據挖掘軟體系統分析了上海家庭服裝消費的決策行為及其影響因素。分享友人