焦文基 的英文怎麼說

In course of auto - focusing, the paper takes the sum of the square of gray difference as focal distance evaluation function to decided that image is in focus or not quickly and put forward an effective auto - focus searching way based on threshold value and curve fitting. these improve speed and precision of auto - focusing

在自動聚焦過程中，論文採用了圖象的灰度差分的絕對值之和的平方作為焦距評價函數，解決了是否正確聚焦的快速判斷問題；採用了一種行之有效的基於閾值和曲線擬合的自動聚焦搜索方式，使聚焦速度和精度都得到了很大的提高。

The second chapter in order to educe the focus the article wants to discuss, the author firstly introduces the achievement in human - resource development and the general level of the industrial development in hubei province, then points out the fontal problem and the urgency of human - resource development

第二章，首先，概括介紹「九五」以來湖北省人力資源開發所取得的巨大成績和近年來湖北省工業發展的基本概況，從而引出本文論述的矛盾和焦點。然後，在此基礎上概括分析湖北省經濟發展的根本問題，指出湖北省人才資源開發的重要性和迫切性。

The 15th hong kong international film festival main catalogue international cinema, asian cinema, directors in focus : aki kaurismaki idrissa ouedrago, a tribute to michael powell, a tribute to three asian actresses : tuti indra malaon, shangguan yunzhu setsuko hara. . production background, reviews, stills, biographies and filmographies of the directors and essays

國際電影亞洲電影米高鮑華紀念特輯焦點導演雅基郭利斯馬基伊特沙奧特盧高心香一瓣向三位亞洲女演員致敬：杜蒂英妲瑪麗安上官雲珠原節子製作資料影片介紹精美劇照導演生平作品年表以及專題評論文章等。

When the conglomeration becomes serious, it will threaten the steady, safe, and long - term operation of the overall system. on the basis of the technology of purification of hot gas of biomass gasification and biomass utilization technology, this thesis focused attention on the experimental and applied research biomass tar catalytic pyrolysis aimed to the characteristics of biomass resource in china

本文在綜述國內外有關生物質焦油脫除的基礎上，圍繞生物質熱解氣化集中供氣系統的攻關項目，針對我國農村經濟發展現狀及生物質資源特點，對適合我國農村應用的生物質焦油催化裂解技術進行了詳細的試驗及應用研究。

Abstract : the high pressure blast furnace gas and coke - oven gas mixture used for making red copper casting, bronze casting, aluminum casting, zinc base alloy and some brass casting, is introduced

文摘:介紹了用高爐、焦爐混合高壓煤氣作為燃料，生產紫銅件、錫青銅件、鑄鋁件、鋅基合金及部分黃銅件。

On the basis of current investigation of both the domestic and foreign and current level of development, and contraposing difficulties and keys of autofocusing and measurement, this paper brings forward system of autofocus and measurement based on techniques of image processing of ccd. this system possesses merits of fast speed, high precision, small bulk and large dynamic range. it is able to carry out needs of fast, accurate, large range autofocusing and requests of noncontact and online measurement of workpiece face runout

本論文根據目前國內外現狀和發展水平，針對自動聚焦和端面跳動測量的關鍵點和難點，在普通光學儀器的基礎上提出了一種基於ccd圖像處理技術的圖像式自動聚焦及其測量系統，該系統具有速度快、精度高、動態范圍大、體積小等優點，實現了快速、精確、大范圍的自動聚焦和對工件端面跳動進行非接觸、在線測量的要求。

In this thesis, the work on automatic alignment system is as follows : firstly, after the methods and optical systems for alignment whose are used commonly now are discussed, a new die leveling method based on auto - focus is presented for the flip chip bonder. auto - focus is completed by estimating from images ; die leveling is completed by focusing for several feature locations

本文針對倒裝貼片機的自動對準系統開展了以下幾方面的工作:首先在討論了現有的對準方法和自動貼片機的對準光路系統基礎上，針對貼片機實際應用環境，提出基於多點自動對焦的晶元調平方法。

This thesis brings forward and implements a dvcps algorithm of vision - segmentation for chinese content web page based on dom aiming for enhancing the pertinence and focalization of web ir

本文從提高web信息檢索的針對性和聚焦度出發，提出並實現了一種基於dom的中文內容網頁視覺分塊演算法dvcps 。

In the paper we mainly researched space gainp2 / gaas / ge high efficiency tandem cells " making process by home - made low pressure mocvd technology and new solar concentrators. firstly, we presented reseached and development of solar cells in china and foreign countries ; secondly, on the basis of fundamental priciples and theories, we discussed some factors of influcing conversion efficiency of solar cells, and analysed the i - v output feature of two - junction tandem cells ; then the design concept of gainp2 / gaas / ge two - junction tandem cells was discussed, the detailed aspects of gainp2 / gaas / ge tandem cells epitaxy growth by low pressure mocvd was studied, and some questions on epitaxy growth ( such as crystal qualities, interface stress, element interdiffusion, n - and p - type doping et all ) were solved ; after that, the cell fabrication process was described ; finally, we reseached the hot pressing and mould process technology of an arched line - focus fresnel lens made by pmma, designed and fixed new solar concentrators

本文致力於用自製的低壓mocvd裝置進行cainp _ 2 / gaas / ge空間用高效級聯太陽能電池製作的工藝以及聚光太陽能電池組件的研究。首先，介紹了國內外太陽能電池的研究現狀及應用情況；其次，運用太陽能電池基本原理討論影響電池轉換效率的因素，分析了級聯電池的伏安特性；隨后，討論了cainp _ 2 / gaas / ge雙結級聯電池的結構設計理念，研究了採用低壓mocvd技術生長cainp _ 2 / gaas / ge級聯太陽電池材料的工藝過程，解決了異質材料生長的結晶質量、界面應力、材料互擴散以及材料n 、 p型摻雜等一系列問題；然後總結了級聯電池的后工藝製作；最後，研究了以pmma為材料的菲涅耳線聚焦透鏡的熱壓成型工藝及其模具的加工工藝，設計並安裝完成新型聚光太陽能電池組件。

According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

本文首先介紹了ld泵浦nd ： yag激光器的發展狀況、主要特性及其應用，從四能級速率方程出發，推導了ld泵浦nd ： yag激光器的閾值、輸出功率和斜效率的表達式，並簡述了激光器的工作原理、結構型式和倍頻方法；其次，以空間相關的速率方程為基礎，提出了ld端面泵浦nd ： yag激光器的設計方法，給出了一定泵浦耦合方式下，振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據，以此為依據，設計了自聚焦透鏡耦合小功率ld泵浦nd ： yag激光器和透鏡組耦合高功率ld泵浦nd ： yag激光器，對激光器的輸出功率和功率穩定性等特性進行了實驗研究；再次，在帶尾纖輸出的高功率ld泵浦nd ： yag激光腔內插入一隻空液晶盒，觀察到了激光器以單縱模運轉；最後，根據泵浦光焦斑端面位置對激光輸出功率的影響規律，提出了ld端面泵浦nd ： yag激光位移傳感新方法，並進行了理論和實驗研究，研究結果表明：當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時，激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律，測量范圍和靈敏度依賴于泵浦功率，隨著泵浦功率的增加，測量范圍擴大，靈敏度提高，當端面泵浦功率為7 . 24w （最大輸出功率為1 . 926w ）時，激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。

In the paper the structure and principle of the secondary ion mass spectrometry ( sims ) are reported, and its typical applications in the hgcdte material and devices processing, especially in the measurement of the junction depth and the quantity analysis of trace impurity are introduced

摘要文章介紹了二次離子質譜儀的結構及其基本工作原理，並通過對典型應用的分析，介紹了二次離子質譜分析技術在高靈敏度碲鎘汞紅外焦平面探測器材料和器件制備工藝中的作用，特別是在結探監測和微量雜質監控方面所發揮的重要作用。

Abstract : based on the electronic focus technology development of state - of - the - art, the paper suggested a complete apparatus s cheme ofauto - focus based on sspd ( self - scanned photodiode array ) and 8098 singl e chipprocessor, giving out a focus criterion algorithm based on image high freq uencystatistics. the function of auto - focus of both reflected and transparent o pticalmicroscope was realized. meanwhile some corresponding problems such as sta bility of lightsource, step motor driving etc. were also discussed, which greatly improved the accuracy andreliability of the system

文摘:在介紹與分析了國內外電子調焦系統的技術發展與現狀的基礎上，提出了一種基於sspd （自掃描光電二極體列陣）與8098單片微處理器自動調焦的整體技術方案，給出了基於圖像高頻成分統計的聚焦判識演算法，在此基礎上實現了反射式與透射式光學顯微鏡的自動調焦，同時對系統的可靠性有關的其它相關問題如光源穩定性、步進電機驅動等問題也進行了討論。

The principle of the method is illuminated by the numerical simulation of the scattering of caustic region in a two - dimensional concave antenna

本文通過對二維凹面天線焦散區散射場的數值模擬詳細介紹了這一理論的基本思路。

Based on huygens - fresnel diffraction integral theory, the propagation properties of bessel beam were studied in this paper. by using the analyses of geometrical optics, hollow beam are found and the formula of the starting point 、 the end point and the bottle length can be got

論文中，我們基於惠更斯-菲涅耳衍射積分理論研究了由軸棱錐產生的貝塞爾光束的傳輸特性，並且通過幾何光學解析無衍射光束的聚焦特性。

On the base of studying imaging theory of lens, the imaging theory of laser confocal scanning microscopy was analyzed in detail in this paper, and the advancement of that the optical fiber was applied to the system was described ; on the base of completed the demonstration for whole project, the experiment scheme was designed ; the relationship between the main parameters of key devices and the resolution was deduced, and the requirements of coupling efficiency and vignetting effects to optical system was analyzed ; the design of optical system and the planar scanning controlling circuit was completed ; a new method was put forward to resolved the inherent non - liner scanning problem of the galvanometer scanner by using software liner controlling in circuit design, and the perfect planar scanning was realized ; at last the low noise, high multiple and non - distortion amplify circuit of photoelectric detector was completed

本文在透鏡成像理論的基礎上，系統、深入地分析了共焦掃描顯微成像的機理，論述了應用單模光纖的激光共焦掃描顯微成像系統的優點；進行了總體方案的論證，並設計確定了單模光纖激光共焦掃描顯微成像系統的總體方案；從理論上推導分析了解析度要求與試驗系統中相關器件主要參數之間的關系，分析了系統耦合效率和漸暈現象對光學系統的設計要求；完成了方案中光學系統和二維掃描控制電路的設計，並在電路設計中採用了用軟體解決檢流計式光學掃描器（振鏡）非線性問題的新方法，能夠實現較為理想的二維模擬掃描；完成了高增益、低噪聲和低失真的探測接收系統的設計和調試。

Based on the patent of the foreign automatic focimeter and document, this project studies in details the principle and realization of the automatic focimeter

本課題在參考了國外有關自動焦度計的專利，以及相關文獻的基礎上，對自動焦度計的原理及實現展開研究。

Ruburning with coal has been proved a effective low nox emission combustion technology 。 in this ph. d thesis, the reaction mechanisms of reburning have been investigated, and the homogeneous and heterogeneous reduction of nox have been analyzed in details. a series of reburning experiments have been carried out on an entrained - flow reactor, in which two kinds of coals with different particle sizes have been used

本文對煤粉再燃過程中，揮發分及煤焦的基元反應途徑和反應機理進行了詳細分析；在攜帶爐實驗臺上進行了神華煤、邢臺煤在1200與1300 、四種煤粉細度、三種再燃燃料比和三種再燃區初始氧量，共144個實驗工況下的再燃實驗。

Firstly, basic theories and methods of autofocus based on image processing are studied in detail

首先，本文研究了基於數字圖像處理自動對焦的基本理論與方法? ?對焦深度法和離焦深度法。

The purpose of this thesis lies in : ascertain the sound focusing region in spherical conformation accurately, the increment of sound pressure level in this region approximately, make a basic principle and method to avoid creating the sound focus for architect and designer of indoor ornament. therefore it solves reasonably the conflict of spherical conformation between architectural appearance and acoustics design

本文選題的意義在於：將球形構造產生的聲聚焦區域量化，聲聚焦區域內的聲壓級增量量化，為建築師，裝飾工程設計者在殼形構造的設計與室內裝飾過程中，提出避免產生聲聚焦的基本設計原則與方法，從而合理解決球形構造在建築造型與聲學設計間的矛盾。

In order to measure the focal length of lens automatically, linear ccd is used as receiver on behalf of eyes on the basis of original experiment equipment measuring the focal length of lens. a kind of method determining the focal plane automatically is put forward and analysed theoretically in this text, based on the theory of point spread function

本文基於點擴散函數理論，提出一自動檢焦方法，對該方法進行理論分析，並通過實驗驗證了該方案的可行性;確定焦面后，在處理測量數據過程中，文中對常用的幾種方法進行了比較和分析，最後採用質心法來實現對透鏡焦距的測量。