路由碼制 的英文怎麼說
中文拼音 [lùyóumǎzhì]
路由碼制
英文
route code basis-
Lewis carroll. halftone photomechanical reproduction of photograph. ( no date found on item. ) location : biographical file reproduction number : lc - usz62 - 70064. ( image courtesy of the library of congress
路易士.卡洛爾的照片，以網版照相技術翻印. （日期不詳）地點:傳記檔案復制號碼: lc - usz62 - 70064 . （圖片由國會圖書館提供）Because of the unique issues in the networks, including mobility - induced disconnection, network partition, high out - of - order delivery ratios and channel errors, the congestion control and the error recovery in the network is challenging. in this environment, the interaction between tcp and mac layer protocols, the affection of route protocols on the performance of tcp and the particular congestion control and error recovery mechanism are first discussed. then a particular transport layer protocol scheme based on the non - feedback mechanism is presented, with emphasis on the analysis and simulation of the key parameter
文中主要討論了兩種不同網路結構中的無線tcp協議改進方案，其一在最後一跳為無線鏈路的網路環境中，針對基本tcp擁塞控制機制存在的缺陷，文中在現有解決方案的基礎上提出一綜合性的方案，其中包括無線鏈路的高誤碼率和連接斷開問題的解決，並重點對方案中出現的交叉層問題進行分析和模擬；其二，考慮的是分散式網路（ adhoc ） ，在文中較為詳細的分析了tcp和mac層機制間的相互作用、路由協議中造成tcp性能降低的因素、 adhoc網路中應採取的特殊擁塞控制和差錯恢復機制，在此基礎上提出了一種採用非反饋機制的解決方案，重點對方案中的關鍵參數進行分析和模擬，分析和模擬結果表明此機制可在很大程度上提高adhoc網路中tcp的性能。The led numeral tube is composed by the digital computer control circuit and rgb led photosource, is one kind of new senior decoration lamps and lanterns
Led數碼管是由數碼電腦控制電路和rgb三色led光源組成，是一種新型高級裝飾燈具。Secondly, the thesis designs a kind of scheme of simulcast base station and center base station. and the requisite requirement and chip are introduced here, and the most important controller is atmega128, the avr microcontrollers of atmel corporation. the other roles are played by voice processing circuit, simulcast broadcasting station, data transmission broadcasting station, link transmitter - receiver and gps module etc. and some theory is introduced here, which includes a / d conversion and correct code
然後，給出了一種同播基站和中心基站子系統的設計方案並簡要說明了所使用的各種設備和晶元，其中最主要的基站控制器由atmel公司的avr單片機atmega128來完成，其它的還包括語音處理電路、同播電臺、數傳電臺、鏈路機、 gps模塊等，並介紹了相關的理論知識，包括a / d轉換，糾錯編碼等。Container harbor system, as it is flexible integrity that including container, ship, load and unload convey mechanism, berth field, road, worker and communication touch all array at container harbor
集裝箱碼頭物流系統，是指在一定的集裝箱碼頭空間里，由集裝箱、船舶、裝卸搬運機械、泊位、堆場、道路、人員以及通信聯系等若干相互制約的動態要素構成的有機整體。Container terminal logistics is an organic system, made of interactive and dynamic components, such as containers, ships, berths, yards, tracks, quay cranes and yard cranes, trucks, labors and communications, in a limited terminal space
集裝箱碼頭物流系統，是指在一定的集裝箱碼頭空間里，由集裝箱、船舶、裝卸搬運機械、泊位、堆場、道路、人員以及通信聯系等若干相互制約的動態要素構成的有機整體。Container terminal logistics system is an organic system, made of interactive and dynamic components, such as containers, ships, berths, yards, tracks, quay cranes and yard cranes, trucks, labors and communications, in a limited terminal space
集裝箱碼頭物流系統是指在一定的集裝箱碼頭空間里，由集裝箱、船舶、裝卸搬運機械、泊位、堆場、道路、人員以及通信聯系等若干相互制約的動態要素構成的有機整體。Container terminal logistics system is an organic system, which is consisted of interactive and dynamic components, such as containers, ships, berths, yards, tracks, quay cranes and yard cranes, trucks, labors and communications in a limited terminal space
集裝箱碼頭物流系統，是指在一定的集裝箱碼頭空間里，由集裝箱、船舶、裝卸搬運機械、泊位、堆場、道路、人員以及通信聯系等若干相互制約的動態要素構成的有機整體。However, we ought to recognize that because of the low efficiency of our country ' s social circulation and the low level of the development of our country ' s logistics industry, there are still some problems for the application of the modern information technology as follows : ( 1 ) our application of the information technology is low - level ; ( 2 ) the application of the bar code is in advance, but its universal degree ca n ' t meet the demand of the development of the logistics ; ( 3 ) our application of the edi is very limited and the logistics information - sharing mechanism among the enterprises has not shape up ; ( 4 ) the network technology does remain in an initial stage ; ( 5 ) there are a few enterprises which are using various systems of integrated software for optimizing the disposition of the logistics operation
但是我們也應看到由於我國社會流通效率低下，物流產業發展水平還比較低，現代信息技術的應用還存在著以下幾個問題：一是信息技術應用水平較低，在物流方面的應用還比較少；二是雖然條形碼技術應用開展較早，但普及程度仍不能滿足物流發展要求；三是國內edi的應用范圍非常有限，企業之間物流信息的共享機制尚未形成；四是網路技術仍然停留在初級水平；五是國內利用各種系統集成軟體優化配置物流作業的企業還非常少。According to the finished system model based on an object - oriented approach and the process characteristics, a computer simulation model of container terminal logistics system is made based on the software of witness and is validated by the data of an actual terminal. at last the model is used to analyze the machine deployment and scheduling and provides the decision support for the terminal ' s production management
根據集裝箱碼頭物流系統模型，以實際碼頭的數據為原型，在對碼頭物流系統進行合理的簡化之後，藉助現代離散事件動態系統模擬語言witness ，建立了集裝箱碼頭物流系統的計算機模擬模型，它由外卡子模塊、大門子模塊、堆場子模塊、道路子模塊、泊位子模塊、水平運輸子模塊、船舶生成子模塊、碼頭作業計劃制定子模塊、性能參數子模塊九個子模塊組成。Temperature sensors tn2530 electronic temperature sensor can indicate current temperature in pipeline by 7 - segment led display and control high low temperature
電子式溫度感應器，可由7節碼led顯示目前管路中的溫度，並控制高低溫。This card largely depends on three integrate chips to fulfill its function : 1 ) nic control main chip, corresponding the mac sublayer of ethernet, to realize csma / cd media access protocol, manage the sending and receiving buffers integrated on the chip and provide motherboard pci interface. 2 ) serdes ( serializing and deserializing ) chip, corresponding pcs and pma sublayers in ethernet, mainly to complete 8b / 10b coding and convert 10 bits parallel data to serial data, and convert them again at the receiving end. 3 ) fibre transceiver unit, completing light - electrical conversion of seri
該網卡主要由3塊集成的晶元完成其功能，分別是i ）網路控制主晶元，對應于以太網的mac子層，主要完成csmaicd介質訪問協議，管理片上集成的發送和接收緩沖區，並提供和主板p0總線的介面： b ） s rd s （串列解串列化器）晶元，對應于以太同的pcs和pma子層，主要完成sb lob編碼並將10位并行的數據轉換為串列數據，在接收端完成相反的功能：涌）光纖收發器，完成串列數據的光電轉換功能。( 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。In the constructing of the diagnosis module using the technology of the combination of the fuzzy logic and neural network, which based on the fuzzy adaptive learning control network, a simple kind of capable method for consummate the structure and performance of network is introduced, which includes the rules extraction based on the maximum weights matrix and the parameters amendment based on genetic algorithm by floating - point coding. during the monitoring of the parts condition, the output of the condition monitoring system shows the good working condition of the executing agency by fuzzily deducing from the control instruction send by the auv ' s controller and motion status, and so offers the proof to complete mission and return safely
在珍斷模塊建模中採用模糊邏輯與神經網路結合的技術，以模糊自適應學習控制網路為核心，提出了一種簡單可行的基於最大權值矩陣的規則提取及基於浮點數編碼的遺傳演算法的參數調整的，完善網路結構與性能的方法，並在狀態監測過程中，通過對由控制器輸入的水下機器人運動控制量以及運行狀態的模糊推理，得到執行部件（推進器或舵）的工作狀態優劣程度，為保證水下機器人完成任務，安全返回提供控制依據。To control the parameters of the protocol easily, we should design the physical system to connect with the pc. therefore, it is very useful to realize the physical systems based on the routing protocol. at the beginning of the paper, the paper introduces the contents of the ad hoc network and wlan
它的路由協議是基於linux平臺下開發出來的軟體，為了能夠自主地控制協議中的參數，如打包時的幀格式， crc碼的格式，傳輸時延地控制，這就需要無線網卡來連接到計算機終端配合該協議的傳輸和運行，所以如何更好地實現它的硬體平臺，則是有很好的現實意義。Other software program includes the receiving of decoded fsk signal from pstn network, the receiving of decoded dtmf signal, auto - routing and the query of bypass data frame et al
軟體還涉及的內容包括來自pstn網路的fsk解碼信號的正確接收， dtmf信號的收號與路由控制，以及查旁路數據結構等內容。It reframes the traceback problem as a polynomial reconstruction problem, and uses techniques from algebraic coding theory to provide robust methods of transmission and restriction. the scheme is a new solution to the traceback problem during a dos attack ; the honeypot for ddos, which is a tool of traceback, lures the attacker to believe that he successfully compromised a slave for his needs, convincingly simulating the architecture of a potential ddos attack ; the source - based approach to ddos defense, which is a useful adjunt to traceback systems, deploys a ddos defense system at source - end networks. attacks are detected by monitoring two - way traffic flows, and the attacks originating from source networks are stopped by rate - limiting ; the routing mechanism based on pushback treats ddos attacks as a congestion - control problem
最後，就有關ddos攻擊反向追蹤問題，從四個方面對其解決方案進行了研究：在分析比較幾種反向追蹤演算法的基礎上，著重研究了代數方法編碼反向追蹤信息的方案，該方案把追蹤重構問題當作多項式重構問題，使用代數編碼理論技術提供魯棒的傳送和重構方法，是dos攻擊過程中的反向追蹤問題的一種新的解決方法； ddos陷阱作為反向追蹤的工具，引誘攻擊者相信自己成功與所需的傀儡主機通話，令人信服地模擬出潛在ddos攻擊體系結構；基於源的ddos防禦方法作為反向追蹤有用的補充，將防禦系統部署在源網路，通過監控雙向流量檢測攻擊和限制速率終止來自源的攻擊；基於向後倒推的防禦ddos的路由機制把ddos攻擊看作擁塞控制問題，添加功能到每個路由器來檢測並優先丟棄可能屬于攻擊的包，通過向後倒推上級路由器也得到通知而把這樣的包丟棄。The down - up design includes the researches of decoder schematics, controller schematics, pipeline schematics, bus schematics, stack schematics and interrupt schematics. the thesis content and outcome of research are beneficial to the design of a cpu design project. at the same time, these contents are beneficial to the design of a microcontroller
整個正向設計由於採用了簡化的措施，還存在一些不足，因此從逆向設計的角度，研究了pic微控制器晶元中處理器的電路實現結構，主要包括譯碼電路和控制器電路的實現結構，流水線電路的實現結構，處理器內總線的實現結構，以及堆棧和中斷電路這些與處理器電路有密切相關性的子電路單元。The way that use double watermark technique, and use asymmetric secret key system and a different secret key during watermark checking gives a novel idea to people : different information can be embedded into the image according to different requirement and provided for multiple utilization, because fragile watermark only require the trusted third part to extract and the user is transparent. the robust watermark required the authentication centre to extract the watermark. at the same time, the zero knowledge proof for the author id can be done by the authentication centre, which is the idea of the cryptology authentication and can solve problem of the copyright ownership more effectively
雖然本文對該模型提出的演算法並沒有具體實現，但是，在同一幅圖像中嵌入魯棒水印與易損水印的雙水印技術，以及採用的非對稱密鑰體制即在水印嵌入過程與水印檢測過程中使用了一對不同的密鑰，可為人們提供一個新的思路：由於易損水印只需通過可信任第三方提取，對用戶是「可見」的，因此可根據需要嵌入不同的信息，多方利用；魯棒水印的提取需要認證中心提取，同時可由認證中心對商家身份進行的零知識驗證，體現了密碼學的認證思想，更能解決版權糾紛的所有權問題。The main circuit adopt boost converter topology ; the control circuit is made up of adsp - 21065l core processor, a / d converter and cpld which realize the functions of digital pulse width modulation ( dpwm ) and address decoding ; the auxiliary power supply afford work voltage of every device
。 st變換器拓撲結構；控制電路主要由核處理器adsp 、 21065l 、 al3轉換器和實現dpwm及地址解碼功能的cpld等器件組成；輔助電源電路為控制電路中各器件提供工作電壓。分享友人