網元圖標 的英文怎麼說
中文拼音 [wǎngyuántúbiāo]
網元圖標
英文
ne icon-
As it ' s proprietary, a large numbers of bibliography resource ca n ' t be provided to common readers of internet. along with the development of network technology, it has a instancy need to conversion marc format to the information that the browser can recognize. the language xml not only can expresses the metadata, but also can show the content of data. lt can provide individuation page layout
Marc格式是目前圖書館館藏資源的主要表示格式,由於其專用性,使得目前大量的書目資源無法通過一般的搜索引擎向internet用戶提供,隨著網路技術的不斷發展,迫切需要將marc格式的數據轉換成常用瀏覽器所能識別的信息,為大眾提供服務,可擴展標記語言xml不僅可以表達元數據,而且可以揭示數據的內容,提供個性化的頁面顯示,用xml語言對marc數據進行描述是解決這一問題的有效途徑,文章提供了marc數據的xml表示方法和實現途徑。This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions
首先對加速度計及其測試技術的發展歷史和現狀,液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控制理論的角度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試系統軟體部分的設計,實現了測試功能。Abstract : a cad tool based on a group of efficient algorithms to verify, design, and optimize power / ground networks for standard cell model is presented. nonlinear programming techniques, branch and bound algorithms and incomplete cholesky decomposition conjugate gradient method ( iccg ) are the three main parts of our work. users can choose nonlinear programming method or branch and bound algorithm to satisfy their different requirements of precision and speed. the experimental results prove that the algorithms can run very fast with lower wiring resources consumption. as a result, the cad tool based on these algorithms is able to cope with large - scale circuits
文摘:介紹了一個基於標準單元布圖模式的電源線/地線網路的輔助設計集成工具.它應用了一系列高效的演算法,為用戶提供了電源線/地線網路的設計、優化和驗證的功能.非線性優化技術、分枝定界演算法和不完全喬萊斯基分解的預優共軛梯度法是該工作的三個主體部分.用戶可以選擇使用非線性規劃的方法或者幾種分枝定界方法來滿足他們對于精度和速度方面的不同需求.實驗結果表明,文中所提供的演算法可以在很快的運行速度下實現更低的布線資源佔用.因此,在這些有效演算法基礎上實現的輔助設計工具具有處理大規模電路的能力The meanings of this paper lie in the development and research of chinese libraries and chinese archives by through the theoretical research on xmarc. it will produce the marked effect for xmarc concentration information to be researched and practiced. the new solving schema of theme classification and the subject indexing of chinese information has been explored through excavating xmarc theme information voluntarily
論文工作的意義在於通過對xmarc的理論研究,將我國圖書、檔案學科領域元數據的研究引向深入,探索國內外marc元數據集中信息描述的機制,這些研究取得了極有價值的實踐成果;通過自動發掘xmarc主題信息,為中文信息的主題標引、主題分類和主題檢索自動化探索出新的解決方案,從而增強我國網路信息檢索工具的實用性和提高信息檢索的質量。Tew had sold 10, 000 small squares of advertising space on the web site for $ 100 each, achieving his target in four months. his initiative spawned several copycat sites
圖在他的網頁上劃分出1萬個小格子,並以每格100美元的價格出售廣告空間。他僅用了四個月的時間就實現了自己"一百萬美元"的目標。而他的創意也引來數家網站爭相效仿。To discuss the natural vulnerability of different coasts to future sea - level rise, the paper selects the coasts along the pearl river mouth as the studied area. after analyzing the impacting factors of natural vulnerability along the pearl river mouth, the paper divides the coastline of approximately 412km into 25 15 - minute gird cells. for assessment purposes, the six variables including geography, relative sea - level change, average tide range, regional slope, shoreline erosion or accretion rates and tropic cyclone impacting frequency are selected as assessed variables
為了探討不同海岸帶對未來海平面上升的自然脆弱性,本文以珠江口沿岸作為研究個案,在分析珠江口沿岸自然脆弱性的影響因子的基礎上,把珠江口沿岸412km岸線劃分為25個15 15的網格單元,選取了地質、海平面上升率、平均潮差、區域海岸坡度、海岸侵蝕/堆積率、熱帶氣旋影響頻率6個評價指標,應用cvi指數評價公式對珠江口地區進行海岸脆弱性評價,並建立海岸脆弱性評價數據庫,繪制了珠江口沿岸1 : 2 , 000 , 000的數字化cvi圖。Firstly, the paper, combining the characteristic of synchronous pulse bursts and inhibition with the modified pcnn model, presents a way of finding the foveation points in the images adaptively and effectively, and simulates the human vision system. secondly, pcnn is extended to pcnns, based on the properties of information couple and transmission, an algorithm that is used to fuse images of the same target got by several sensors to an image is presented to simulate the human vision system. thirdly, combining the properties of synchronous pulse bursts, capture, and transmission and competition of waves, the paper presents two ways of classification, one is an algorithm based on the properties of neuron to capture and inhibit to classify the data taking on any complex unlinear distribution robustly, the other is based on the restricted distance and modified of the former to remove the influence of inferior samples in classification ; fin ally, based on the accumulative difference pictures, and the forming and transmission of pcnn wave, selecting and controlling the direction of autowave by connecting the neighbouring neurons selectively, the paper presents a way to simulate the tracks of moving object and detect the moving direction
首先結合pcnn的同步脈沖發放和側抑制特性,提出了基於改進型pcnn的圖像凹點檢測演算法,該演算法是一種自適應而有效的圖像凹點檢測方法,並且較好地模擬了人類視覺系統;然後,結合信息傳遞和信息耦合特性,將pcnn擴展成pcnns ( pcnn網路群) ,提出了一種基於pcnns的圖像融合演算法,能夠將多個傳感器獲取的同一目標的圖像信息融合到一幅圖像中,有效模擬了人類視覺系統;另外,結合pcnn的同步脈沖發放特性、捕獲特性和波的傳播競爭特性,開拓地將pcnn用於模式分類中,提出了基於耦合神經元點火捕獲抑制特性的分類方法和改進的約束距離下的pcnn分類方法,前者可實現對樣本空間中任意復雜分佈訓練樣本的穩健非線性分類,而後者能夠消除訓練樣本中刺點對分類的影響;最後,結合累積差分圖像思想、 pcnn波的形成與傳播特性,通過各神經元之間連接取向來選擇與控制自動波的流向,將pcnn用於運動視覺分析中的運動軌跡模擬及運動方向檢測。By analyzing all sorts of data involved in the drawing of plane arrangement of the contact net, the paper then presents and realizes the sub - systems of drawing data management, which includes setting up the data structure, programming and managing of the data and provides the drawing data for the whole system used for the later drawing, finally by introducing the concerned theories of the parameterized design explains the similarities and differences and their applied scope of all kinds of parameterized technologies, and by associating with the features of the plane arrangement maps of the railway contact net analyzing size restraint of contact net
它是針對鐵路接觸網平面布置圖的特點來完成選擇區間或站場繪制、圖紙設定、圖型設定、字元高度、圖型坐標點、繪圖基點和圖型數據文件保存路徑的設置以及布置圖的標注欄和明細表尺寸設置;緊接著通過對接觸網平面布置圖的繪圖中所涉及的各種類型數據進行分析,提出並實現繪圖數據管理子系統,它包括建立繪圖系統的數據結構,對數據進行編輯管理,向整個系統提供繪圖數據,供其後的圖形繪制使用;最後通過對參數化設計的相關理論進行介紹,闡述了各種參數化技術的異同點和適用范圍,並結合鐵路接觸網平面布置圖的特點具體分析了接觸網線路的尺寸約束。( 3 ) study deeply the structure of fat 16 file system and the characteristic of flash disk, and develop the file management software of flash disk to manage nc files effectively according to the management idea of fat 16 file system. ( 4 ) research the module and protocol of reliable communication in serial network, which are composed of arm main control board, dsp motion control board, keyboard board, i / o control board and encoder signal collection board, and then develop communication software of the serial network. ( 5 ) study the principle of displaying char in lcd and the method of embedding font library into operating system, and research deeply the method of embedding chinese font library into os in the light of the characteristic of chinese
本論文的主要研究內容如下: ( 1 )研究uc os -實時嵌入式操作系統在硬體平臺上的移植及其佔先式內核的任務調度原理,合理分割銑床控制系統的管理任務,根據任務的要求賦予不同的優先級和調度時間,保證任務的執行效率和實時性; ( 2 )開發底層設備驅動程序和應用程序介面( api )函數,以便於進行系統應用軟體的開發; ( 3 )深入研究fat16文件系統的結構和固態盤的硬體特性,參照fat16文件系統的管理思路,開發固態盤文件管理軟體以有效管理nc代碼文件; ( 4 )深入研究由arm主控板、鍵盤板、 i o控制板、編碼器信號採集板等裝置組成的串口通訊網路可靠通信的模型及其通訊協議,開發串口通訊網路通信軟體; ( 5 )研究字元的顯示原理和在操作系統中嵌入字庫的方法,在此基礎上結合漢字的特性深入研究中文字庫的嵌入方法,開發中文字庫嵌入軟體,滿足開發操作界面的信息要求; ( 6 )深入研究三維圖形坐標變換的原理,開發實用的三維加工軌跡顯示軟體,便於操作者對零件的加工過程進行監控和診斷。The integral structure of system are analyzed, and a scheme based on dsps processing board + mcu control board are put forward firstly, following design difficulties and relevant measures. every modules of dsps board are described in details, including chips selection, implementation manners choice, interface and time sequence match and etc. compared otsu single threshold segmentation with multi - threshold segmentations, the latter are preferred to perform the object identification in hardware designed by author. combined to like background rejection, morphology expansion and etc. steps, the paper gets the length of queue ; finally, a - b united control and area united control based on can bus are designed
首先分析了系統的總體結構,提出了一種基於dsps處理板+單片機控制板的信號機實現方案;在此基礎上,重點介紹了處理板模塊化的硬體電路設計,其中考慮了晶元的選型、實現方式的選擇、工作機制、時序匹配等問題;之後,分析了otsu單閾值目標識別和多閾值目標識別的效果,重點選擇後者在硬體電路板內對圖像進行了目標識別的演算法處理,結合背景的剔除、形態學膨脹等幾個減小誤差的措施,對車輛排隊長度進行了較為精確的提取;最後在控制板上完成了干線a - b信號聯動控制和基於can總線的區域聯網控制的通訊方案設計。This dissertation is faced to the process of steel rolling to found network of manufacture material flow, basing on it founding guide line evaluation system of the cost of unit standard producing working procedure, guide line evaluation system of the quality cost of unit standard producing working procedure and guide line evaluation system of performance and efficiency ; and base on the cost data of all kinds of material flows, manufacture flow, flux data, manpower, energy consume, material consume, capital asserts occupied, fund occupied, and the production in working procedure, throughput of the materials in working procedures in the flow and countercurrent flow in the network of material flow of recorded in working procedure producing, using the “ whole closed down lane ” model to describe network of manufacture material flow of steel rolling, found the cost analyzing model system of the network faced to producing process. make the cost increasing of the producing by abnormity material flow in working procedure, and even the cost increasing of the producing procedure as the cost of the management behavior of working procedure fallen under cost evaluation guideline in responsible working procedure, so as to ration measure the factors fast correlated with management behavior by measuring the cost
在企業管理信息化輔助工具所建立的數據平臺基礎上,建立了以基準物流圖模型為基礎的軋鋼生產主流程物流網路拓撲圖,根據圖論的理論求解最大流量和最小費用;計算每個生產節點的加工成本,分離質量成本,克服了單純財務數據進行成本核算所帶來的缺陷;建立了軋鋼生產主流程工序含鐵物料吞吐能力基準圖模型,並根據此模型建立了軋鋼生產主流程工序激勵物流協調性和匹配性、工序響應物流協調性和匹配性分析的過程能力指數計算方法;通過引入決策單元綜合投入與綜合產出效率最優原則的模型和基於投入不變、分析產出是否有效或基於產出不變、分析投入是否有效的模型,實現了對多個績效指標在不同績效值集合之間的相對比較,並可根據投入產出效率準則、或者投入(產出)有效性準則進行排序。In web terms : a mouse click on a hyperlink element ( such as text or picture ) on a web page which creates an event such as taking a visitor to another web page or another part of the same page
網路術語:鼠標點擊網頁上的超鏈接元素(如:文本或圖片) ,然後可以讓瀏覽著從一個網頁跳轉到另外一個網頁中,或從同一個頁面間的某個部分跳轉到另外一個部分。On the basis of summarizing the common principle and method of selection of system structure and setting function and means of implementation, we research mainly on such subjects as follows : firstly, we studied the implementation of text extraction and digital signature by cad secondary development technology combine with database technique. secondly, based on method for pre - processing scanning images of drawings, finally, the application of artificial neural network in engineering drawing sign character recognition was researched. in this thesis, we presented the building model and implementation method has some references to the designing work of similar system
在論述系統結構選取、功能構建以及實現技術的一般原理和方法的基礎上,進行了以下幾個方面的研究:首先研究了cad二次開發技術同數據庫技術相結合實現系統圖紙文本信息西安理工大學碩士學位論文提取和電子會簽功能,然後研究了掃描圖紙的圖像處理技術,為圖紙的矢量化和智能識別提供圖形表達準確、圖形要素和字元要素分離的數據源,最後研究了人} _神經網路技術在} _程圖紙標識字元識別中的應用。You can drag elements from the toolbox, just as you do when you are editing a web page in design view, and then see their markup inserted into the document
可以像在「設計」視圖中編輯網頁時一樣從「工具箱」中拖動元素,並查看這些元素的插入到文檔中的相關標記。With the development of communication, information and electronic technology and computer network, intelligent transport system ( its ) is paid more and more emphasis, it contains many parts, such as vehicle type recognition and license plate recognition. in this paper, we introduce svm to the field of its, the main work is described as follows : ( 1 ) we summarize the latest research achievements and development of its, present the conceptions of slt and the principles of svm ; ( 2 ) taking the traffic sign as examples and adopting hough transform in the stage of feature extraction, we introduce svm to the problem of shape recognition and compare the experimental results with traditional learning methods. ( 3 ) then we use svm to settle the vehicle type recognition problem, where we utilize the wavelet analysis and mathematical morphology method to extract the figure feature
本文將支持向量機引入智能交通系統領域,主要進行的工作如下: ( 1 )整理總結了國內外學術界關于統計學習理論方面的研究成果,介紹統計學習理論的基本概念和支持向量機的基本原理; ( 2 )在形狀識別問題中以交通標志圖像作為實驗對象,利用hough變換進行特徵提取,在識別階段利用支持向量機方法進行分類,並與神經網路等傳統學習方法對比; ( 3 )將支持向量機應用於車型識別問題中,針對收費站採集的汽車圖像,首先採用小波分析和數學形態學的方法提取其外形特徵,在識別階段利用支持向量機方法進行分類,並與其他傳統學習方法進行了對比; ( 4 )將支持向量機應用於車牌識別問題中,車牌識別包括車牌定位、車牌字元分割以及字元識別三個步驟,先採用數學形態學方法對車牌區域進行定位,然後採用top - hat變換等方法分割車牌字元,在識別階段採用支持向量機演算法進行字元識別,取得了較為滿意的結果。After analyzing the characteristic of the parallel processing system, some problems about design missile - carrying processing system are pointed out ; network in the parallel processing system has become bottleneck and affect the performance of system, so the processing efficiency is analyzed in a multiprocessor system based on cluster - bus and some rules in designing the network in the multiprocessor system are brought out ; genetic algorithm is used for scheduling in the multiprocessor system, and a scheduling algorithm is described to suit arbitrary number of tasks, unequal task processing time, arbitrary precedence relation among tasks and arbitrary number of parallel processor, so that the schedule length will be minimized ; finally, an atr algorithm is mapped to a ring multiprocessor system, and a block diagram using dsp device is constructed. in chapter 4, the study is performed on real - time system hardware realization of atr. tms320c80 is selected as the kernel processor in multiprocessor system
為此,對一種由常用的dsp晶元組成的多處理器系統的處理器利用率進行了分析,提出了多處理器系統互連網路設計的基本原則;本章使用遺傳演算法作為實現多處理器調度的工具,提出了一種新的任務調度演算法,該演算法主要是為了解決在任務數任意、任務計算時間不相等、任務前趨關系任意、以及任務間存在通信和考慮任務存貯器要求的情況下,如何優化任務在各個處理器上的分配和執行順序,使得多處理器系統總的執行時間最小;最後對一個目標識別演算法進行了硬體實現優化分析,根據分析結果,將演算法映射到由dsp晶元組成的環形網路連接的處理器拓撲結構上,得到了多處理器系統的原理框圖。This thesis discusses on the post - processing of sonar signal which includes the search and location of the target, the pattern recognition and the neural networks classification, and also carries out a process of the sea test data with the post - process - programs to verify the validity of the pattern recognition with bp neural network, which helps to develop the sonar image processing and the image processing of other fields
本文在完成課題中的顯示控制任務同時,對聲納信號後置處理,包括目標的搜索定位以及模式識別和神經元網路識別等內容,進行了論述,並利用後置圖像處理程序對正樣機海試數據進行處理,驗證了bp神經元網路下模式識別方法在水聲圖像處理方面的有效性,有助於聲納圖像處理以及其他領域圖像處理的發展。This thcsis consists of five chapters. chapter 1 knowledge organization standard development history tt studies on what libraries have accomplished at various stages in lime : aacr2, usmarc, and dublin core metadata
對圖書館在卡片目錄時代、聯機編目時代、網際網路時代等不同時代的知識組織標準的產生背景和所取得的成就進行了研究: aacr2 、 usmarc 、都柏林核心( dublincore )元數據。Borrowing and reading system of books in library and the single - scale bipartite networks model
圖書館圖書借閱系統與單標度二元網路模型The paper proposes a novel learning algorithm for precise phase control of oscillatory neural networks. a target oscillator is employed to temporally synchronize correlated objects in an input binary image while uncorrelated objects are desynchronized via adjustable phase shift that is proportional to their spatial position. the proposed learning rule has a fast convergence, and can achieve an extremely small phase error
設計了一種新的神經元振蕩器網路快速同步學習演算法,該演算法能保證同組的振蕩器達到完全同步;同時,採用相位延遲方法,使不同圖像目標的振蕩器組的相位延遲正比于其在空間上的距離,實現目標對象的分離與提取分享友人