網目線數 的英文怎麼說
中文拼音 [wǎngmùxiànshǔ]
網目線數
英文
screen ruling-
At present, the remote education is developed vigorously in overseas especially in the usa, demonstrated by the new report of idc, it ' s accepted by the american colleges rapidly, the american institution nearly 90 percent will provide " on _ line learning " chances, the contemporaneity distance education network platform is formed roughly, which based on the cernet and satellite video system builded in 1994
目前，遠程教育在國外特別是在美國得到了蓬勃發展。據美國國際數據公司（ idc ）的一份最新調查報告，遠程教育迅速為美國大專院校所接受，到2005年，近90的美國高等教育機構將提供「在線學習」的機會； 1994年開始建設的以中國教育科研網（ cernet ）和衛星視頻系統為基礎的現代遠程教育網路平臺已初步形成。Considering the electrovalence, the curve of water consumption and the reliability of water supply, this paper respectively sets up the model based on the maximal flux and the model based on the expectation flux. it takes yearly expenditure converting value and yearly cistern converting value as target function and takes continuity equation, velocity of flow and compression resistance of cast iron pipeline as restrictions and sets up the pga model on optimal design of water supply networks
考慮到峰谷電價、用水量變化曲線及用水可靠性因素的影響，分別建立了以最高時流量設計管網的模型和以期望時流量設計管網的模型，以年費用折算值加上清水池年造價折算值為目標函數，以連續性方程、管中流速和鑄鐵管耐壓值等為約束條件，進行并行遺傳演算法對給水管網優化設計的實現。There are several computer network architecture modes in the history of computing technology, such as : peer - to - peer connection of server architecture mode, bus topology architecture mode, ring topology architecture mode, two - layered or three - layered client / server architecture mode. in the recent years, the three - layered browser / server architecture has been developed rapidly and it meets the medium - sized enterprises " information management needs, so it is widely used. asp ( active server page ) developed by microsoft is a kind of programming environment used in server
計算機網路的網路體系結構經歷了從幾個服務器簡單對等互連、總線體系結構、環線體系結構、客戶機服務器體系結構和瀏覽器服務器體系結構等發展變化，目前瀏覽器、 web服務器和數據庫服務器的三層b s結構應用日益廣泛， asp技術以其開發簡單、功能強大、完全和html集成、易於生成、無需手工編譯和連接、面向對象、可擴展activexserver組件等優點在這些web應用中獲得了系統開發者的青睞和廣泛採用。The author uses the technique of generalized network plan and the key line methods to divide the boiler installation item and build configuration model, adopts the p3 in the building pingliang power plant project to realize the dynamic management of this installation plan, and give news of the project schedule, plan and material to the power plant by the computer network to help the manager
本文作者應用廣義網路計劃技術和關鍵線路法對鍋爐安裝項目進行作業劃分和建立結構模型，並通過p3軟體在平涼電廠在建工程中的應用，實現了安裝工程計劃的動態管理，並通過計算機網路向電廠發布電建工程的施工進度、計劃、材料等方面的信息，為管理層提供了詳實的管理數據。The calculation method of ln ( / tan # ) index widely used is the multiple flow direction algorithm developed by quinn et al. it can been seen that, in the algorithm, the contour length normal to the direction of flow flowing out the current cell is used to determine both a and tan #, and that the calculated total cumulative contributing area of downslide grid cell does not include the area of the current cell
目前普遍使用的計算該地形指數的方法為多流向法。方法中計算和tan用的均是與流出單元網格流向垂直的等高線長。另外計算下坡單元網格累積匯流面積時沒有考慮欲計算ln （ tan ）值的單元網格的面積，這些是不合理的。Company now have independence develop ten many china patent and many independence intellectual property ' s software copyright ' s product ; company major product : cable television consumer management control system ( but look for address 2 - 8 branches allot style, 8 - 32 gather line style ) ; shoot frequently plus unfasten harass system ( crowd plus crowd unfasten, cent two sections, point channel shan unfasten ) ; video frequency number subsections plus unfasten harass system ; cable television network burglarproof sow system ; number cable television product is with number mmds ( microwave ) systematically ; general purpose type prevent thunder supply electric appliances, shoot frequently automate supply electric appliances, but look for address control supply electric appliances ; power supply prevents thunder protection product ; pass flow branch, dispenser, split utensil, cavernous wave utensil, power supply inserts utensil, but transfer attenuator, but transfer equalizer wait for
目前擁有十多項中國專利和多個自主知識產權的軟體版權的產品；公司主要產品：有線電視用戶管理控制系統（可尋址2 - 8戶分支分配式、 8 - 32戶集線式） ；射頻加解擾系統（群加群解、分兩段、按頻道單解） ；視頻數字分段加解擾系統；有線電視網路防盜播系統；數字有線電視產品與數字mmds （微波）系統；通用型防雷供電器，射頻自動控制供電器，可尋址控制供電器；電源防雷保護產品；過流分支、分配器，分流器、陷波器、電源插入器，衰減器、均衡器等。In the proposed method, the controller takes the buffer length as congestion indication, takes sources quality and bandwidth utility as object function so as to learn on line. as the controller outputs, the coding rate for input traffic sources and the corresponding user percentage are used to adjust the cells " arrival rate to the multiplexer buffer. compared with the previous method where cells " arrival rate is tuned only by the encoding rate and the encoding rates for all input traffic sources are regulated in a body, the proposed method guarantee that the quality of cells are optimal while cell loss rate is minimized, which means quality of service is guaranteed
在該方法中，擁塞控制器以緩沖區大小信元作為擁塞指示，以信源質量和帶寬利用率作為目標函數進行在線學習，控制器輸出包括信源編碼率及其對應的用戶數在全部用戶中所佔的百分比，即根據信源編碼率及對應的用戶百分數調整信源輸入流，從而克服了以往擁塞控制方法中僅僅調整編碼率帶來的對所有信源進行整體調整的缺陷，使控制系統在信元損失率最小情況下確保信源輸入流質量最高，從而有效地利用了網路帶寬。This project focus on r & d of remote information transfer between some device, especially in the water - quality monitoring system. after learning the architecture of the popular pstn dial - up network. vpn broadband network and gsm wireless network, a new solution for remote communication was proposed. under this idea frame a communication hardware platform and software was developed
本課題主要針對環境水質在線監控系統中的信息傳輸問題，對遠距離設備之間的信息傳輸方式及發展進行了研究，結合目前流行的pstn撥號上網方式、 vpn組網技術和gsm無線數字通訊技術，提出了一種新型的遠程設備之間信息傳輸與互聯的方案，並按照這個思路搭建出系統所需的硬體平臺，設計出實現這個方案的應用程序。This paper discusses some important technologies closed to dtv receiving system deeply, base on scn and cctv. it includes mpeg - 2 system level, dvb service information, conditional acceptance. it also describes how to realize epg, ca, upgrade on line etc based on the dtv service information technology at lengtho now, the production of this design is applied to the digital tv products of cctv and sichuan tv net
本論文結合數字電視在四川廣電網和cctv的具體應用情況，深入研究探討了與數字電視接收系統緊密相關的部分關鍵技術，包括mpeg - 2系統層結構分析、 mpeg - 2和dvb業務信息分析、數字電視條件接收基本原理和加解擾及加解密技術，並詳細敘述了如何運用數字電視業務信息技術實現了電子節目指南、條件接收、在線升級等基本業務。In fact, the majority of users today come to the web to perform sophisticated e - commerce transactions, engage in online communities, download and upload media, and more
實際上，目前多數的用戶訪問網路都是為了執行復雜的電子商務交易，參與在線社團，下載（和上傳）媒體，等等。The business scope of china railway investments group limited is : the investment, design and information consultation of projects ; the research, design, development, installation and application of “ the television, telephone and computer three in one digital information system ” of the railway station and train ; railway mobile tv on the trains ; railway cable tv ; railway information website ; railway newspaper and magazines ; railway art performance ; railway movie & tv producing and issuing ; design, make, and issue railway satellite tv advertisement, railway cable tv advertisement, railway information website net advertisement, train television advertisement, train sponsoring advertisement, billboard advertisement on train, supplies advertisement on train, small articles advertisement on train, railway station billboard advertisement, railway newspaper and magazine advertisement, propaganda sheet advertisement ; the investment and construction of railway project ; railway passenger and freight transportation business ; railway chain tourist hotel and catering business ; material trade ; import and export of technology ; telecommunication operating business ; railway banking business ; energy sources exploiting and operating business
中鐵多經投資集團主要經營范圍為：項目開發投資、策劃及相關信息咨詢；鐵路站車「電視、電話、計算機三網合一數字信息系統」的研究、設計、開發、安裝應用；鐵路衛星電視及鐵路無線寬帶網路電視；鐵路有線互動電視；鐵路信息網站；鐵路報刊雜志；鐵路文藝演出；鐵路影視製作；設計、製作、發布鐵路衛視廣告、鐵路有線電視廣告、鐵路信息網站網路廣告、列車電視廣告、列車冠名廣告、列車上廣告牌廣告、列車上用品用具廣告、列車上小商品實物廣告、火車站廣告牌廣告、鐵路報刊雜志廣告、宣傳單張廣告；鐵路建設項目投資、施工；鐵路客運、貨運業務；鐵路連鎖旅遊酒店、餐飲業務；物資貿易；技術進出口；電信運營業務；鐵路銀行業務；能源開發及運營業務。Aiming at the demand for the wireless data transmission using the public mobile network and the need of the wireless meter reading system, the gprs ( general package radio system ) wireless data transmission terminal used as the wireless channel for data transmission was designed and applied to the wireless meter reading system
本文針對目前利用公網進行數據通信的需要，以及無線抄表系統的需求，設計了該gprs無線數據傳輸終端，用作無線數據傳輸的通道，並最終實現了該gprs無線數據傳輸終端在無線抄表（電表）系統中的應用。Recent research projects : one, multi - carrier cofdm dvb - t mobile tv transmission system. second, the military, public security wireless digital voice encryption image transmission network
公司最近研發項目：一dvb - t多載波cofdm移動電視傳輸系統。二部隊公安無線數字加密圖像語音傳輸網路At last, on the basis of the practical example of lianyuan " s control network and data network integration technology, this paper brings up a new monitoring and control system c onstruction frame that based embedded tcp / ip protocol, taking use of the technology of embedded network. also in this paper, designs and implements it with the use of related technologies of hardware and software, and discusses and implements the three main questions : the design of the front equipment of collecting ; the managing and scheduling technology of the multi communication threads in communicating module of monitoring and control system ; the data processing
本文最後以鏈源鋼鐵廠一個實際的監控網路和數據網路一體化的項目要求為例，提出了在該系統中引入嵌入式網路技術，並由此設計了一種基於internet intranet的嵌入式的企業監控網路和數據網路的體系結構框架，利用有關的硬體與軟體技術，進行了設計與開發實現，並對基於internet intranet嵌入式監控系統的三個核心問題：基於嵌入式tcp ip協議的採集前端設備的系統設計，通訊模塊中多通訊線程的管理與調度以及數據的處理進行了探討與實現。In recent years, mobile - phone reading has become a new way of reading style which has become a fashion in south korea and japan for young people. according to morganstanley, by the year 2008, the benefit of wireless market would be over 40, 000, 000, 000 dollars. however, wireless mobile - phone reading it ' s still a virgin land in china wireless mobile - phone reading books are different from the general wireless application. compared with the traditional wireless application, the wireless mobile - phone reading is facing with more difficulties causing by the different types of cellphones. one reading program can not suit all the cell phones. therefore, the present reading programs are just designed for some specific mobile phone brands
隨著無線通信技術的不斷發展，手機作為最為普遍的無線終端設備早已在我們生活充當重要的角色。最新的研究分析指出，在無線應用方面，關注焦點之一是如何在目前的無線網路情況下構架一個具備可擴展性、強穩定性、終端自動匹配的無線數據增值平臺。本文探討了如何構架一個可擴展以及終端自動匹配的無線數據增值平臺，填補了目前國內技術空白。This paper focuses on the design and implementation of intelligent hybrid - bus data collecting and processing system. based on one - wire techniques and its digital sensors, a hybrid - bus system is designed ; then with field - bus techniques, a lonworks hybrid data collecting system is constructed for the monitoring of distributed targets ; in order to realize real - time measurement and control on large - scale distributed system, gprs sms technique is adopted for the realization of the wireless data collecting system ; moreover, in order to improve the efficiency of control systems, a method of designing intelligent hybrid data collecting system is proposed based on multi - agent theory, and the multi - agent model and hardware structure are also discussed in detail with the fusion of one - wire and fieldbus techniques
本文對基於混合總線技術的網路化智能數據採集與處理系統的設計與實現方法進行了研究：利用單總線技術和單總線數字傳感器，設計了基於單總線的混合總線網路數據採集與處理系統；利用現場總線技術，設計了基於lonworks的混合總線網路數據採集與處理系統；為了實現大規模分散目標的實時測控，利用gprs簡訊息技術設計了無線智能數據採集與處理系統；為了優化控制系統的性能，基於agent理論，提出了融合單總線技術和現場總線技術的多agent混合總線智能數據採集與處理系統的模型及其硬體實現方法。Nonlinear directional coupler ( nldc ) is a switch used in optical network. w. s. man had studied transmission controlling with ground state soliton through nldc, it is obviously not available to used in superhigh speed network ; and mary j. potasek had studied the self - coupling with ultrashort solitons in nldc, self - coupling is difficult to control the signal transmitting. i has studied the transmission controlling with ultrashort solitons ( < 100fs ) in nldc, similarly i use a controlling pulse to control the signal pulse, it is the intensity of controlling pulse to decide the signal change its direction or not
非線性定向耦合器（ nldc ）是用在光網路中的光開關器件，它主要用在全光網路中， w . s . man等研究過基態孤子在nldc中的傳輸控制，便於對全光網路中數據的正確傳輸，由於目前研究集中在100fs的超短脈沖傳輸特性上，顯然基態孤子的特點不再適用於超高速網路； maryj . potasek等就超短脈沖在nldc中的自耦合做了研究，在光網路中自耦合任意性太大，不利於控制脈沖的傳輸。Due to the inherent weakness of the channels translating the power to the east, especially the large difficulty to establish the network from three gorges to wanzhou, it is impossible to solve these problems by means of increasing the number of lines translating electricity and solution of these problems must depend on the modern control technology
隨著2003年三峽電站的投產，川渝電網將正式與華中電網並網運行，聯網運行的穩定性至關重要。川電東送的通道存在很多薄弱環節，其中萬州?三峽輸電線架設十分困難，依靠增加輸電線數目是不現實的，必須依靠現代控制手段來解決。The prevailing approaches depend on costly time domain convolution, using the frequency domain network parameters such as s - parameter, y - parameter or abcd parameters to find analytic solution, and finding the time domain approximations by fft or even numerical inversion of laplace transform ( nitl ) if there are a large number of nonlinear devices in the network
目前盛行的方法是採用費時的時域卷積法：首先運用諸如s 、 y 、 abcd的頻域網路參數求出頻域解析解，然後通過快速福利葉變換（ fft ）得出時域近似解，如果網路中存在大規模的非線性設備，還需要採用數值逆拉普拉斯變換（ nilt ） 。At present, the domestic general solution for dvb is to transmit the tv programs from the local stations to satellites. then the signals are received by terrestrial stations with satellite ird ( integrated receive decoder ). at last, the tv programs are transmitted to end clients through cable dtv networks
當前我國數字電視廣播的實現方案，主要是通過各廣播電臺、電視臺的節目發射至通信衛星，再由地面接收站利用衛星數字電視解碼器（ ird ? integratedreceivedecoder ）接收衛星廣播信號，最後通過各地有線數字電視網將電視節目傳送到最終用戶。分享友人