虛選路 的英文怎麼說
中文拼音 [xūxuǎnlù]
虛選路
英文
virtual routing-
Optimal path selection for virtual concatenation in sdh networks
虛級聯中的最優化路徑選擇The soil - rock foundation was applied in highway of changde - zhangjiajie, and in order to assure soil - rock foundation quality by shocking and compaction test, different virtual height of soil - rock foundation was constructed and it ' s quality was controlled for in - situ test, it was considered as parameter for virtual height, shocking and compaction quantities, shocking and compaction sediment rate and maximum diameter of packing materials
摘要針對常張高速公路採用沖擊壓實技術壓實土石混填路基的問題，選取試驗段進行了不同虛鋪厚度路基的施工工藝及質量控制等試驗研究，提出了虛鋪厚度、沖壓遍數、沖壓沉降率（單級沉降量） 、填料最大粒徑等施工控制參數。After the briefly present the origin and features of internet protocol version 6 ( ipv6 ), the paper detailedly introduced the conception, characters, security technologies of vpn, and main tunnel protocols used to implement and deploy vpns. after analyzing and comparing these technologies of realizing vpns, we choosed ipsec. then, the paper analyzed in the ipsec structure, function, work mode, and its components such as authentication header ( ah ), encapsulating security payload ( esp ), internet key exchange ( ike ), encryption and authentication algorithms, security association, security policy, and how they cooperate with each other in order to secure ip packages
在簡要介紹ipv6協議的由來和優點之後，詳細闡述了虛擬專用網的概念、特點、安全技術及實現的關鍵隧道協議，通過對實現技術的分析比較，選用了安全性強大的ipsec隧道技術，接著深入研究了ipv6安全協議ipsec的體系結構、操作模式，詳細論述了ipsec協議簇的各個組成部分，如認證報頭ah協議、封裝安全載荷esp協議、密鑰管理ike協議、加密認證演算法、安全聯盟和安全策略等，以及這些組件之間如何協作，來共同實現對網路層ip數據包的安全保護。This paper first begin with the connotation of virtual instrument technology, study and discuss the criterion and the working theory of usb deeply. on the principle of usb1. 1criterion, using usb interface chip usbn9604 and low consumption mirochip c8051f231, we designed the available interface of usb bus and its controlling software, turn the communicating function based usb bus between computer and testing device. second based on the developed interface of usb bus, using microchip pic16c62 and a mount of relays, we designed the multiswitching scanner and its controlling software to complete the funtion of accesses swithing in testing system. third calling the api function inside the windows using vb programming language, communicat with the impelling program of selected hid, achieve the function of testing instrument with usb interface, complete the development of upside software faced testing. at last, based on the deep studying of pcb testing method, used the developed multiswithing scanner and software faced testing, combinated with necessary testing instrument, we constructed the pcb testing system and analized the testing result simply
論文首先從虛擬儀器的技術內涵出發，深入研究和討論了通用串列總線usb規范及工作原理，並依據usb1 . 1規范，採用usb介面晶元usbn9604和低功耗微處理器c8051f231設計開發了通用的usb總線介面及其控制固件，實現了通用計算機與測試設備之間基於usb總線的通信功能；其次，在所開發的usb總線介面的基礎上，使用微處理器pic16c62和多路繼電器開關，設計開發出實現測試系統中測試通道切換功能的多路通道掃描器及其控制固件；再次，採用vb語言編程，調用windows內部api函數，與選定hid類驅動程序進行通信，實現usb總線介面測試儀器功能，完成面向測試的上層軟體開發；最後，在深入研究印刷電路板測試方法的基礎上，利用已開發的多路通道掃描器和面向測試軟體，結合必要測試儀器組建印刷電路板測試系統，並對測試結果進行了簡要的誤差分析。Scientific computation visualization interactive virtual reality computer dynamic simulation etc., to study thoroughly and carefully on critical technologies such as mixed - language programming simplification of scene models displaying realistic image and animation of 3d scene models and so on in this dissertation, the methods to build scene models were studied and applied to develop a dynamic simulation system of 3d railway scene based on this idea, the major study contents and results can be summarized as follows : 1 ) mixed - language programming can complement each other between different programming languages and the method has a general significance and can become popular many computation models including development of dtm optimum of dtm and reorganization of dtm were developed with fortran language in order to use the ripe codes, the dissertation succeeded in integrating the developed fortran codes to the visual c + + environment and achieving the course of mixed - language programming 2 ) the methods to build scene models for 3d location design were discussed in the dissertation and the development and animation of scene models had been realized by applying synthetically those technologies such as computer graphic computational geometry and geometrical modeling and computer dynamic simulation etc, and adopting opengl 3d graph library then achievement was got by using the technology of 3d visualization to livingly express design results 3 ) combing with the concerned study and development projects, adopting vc + + as development tools and in the light of those theories and algorithms stated in this dissertation, a software, which could build scene models with realism for 3d railway location design, in the name of " the dynamic simulation system of 3d scene of railway " was developed., the correctness was proved by using the software to build the 3d scene models and achieve their animation of suining - chongqing railway and yunnan - xizang railway
本文綜合利用計算機圖形學、科學計算可視化、人機交互、虛擬現實、計算機動態模擬等理論和技術，針對混合語言編程、真實感圖形繪制以及三維景觀模型的動畫驅動等關鍵技術，進行了深入細致的研究，從而探討了建立逼真景觀模型的方法，並基於本文提出的方法研製了一個鐵路線路三維景觀動態模擬系統。基於這一思想，本文主要研究內容及研究成果如下： 1 ）混合語言編程可以實現語言優勢互補，具有普遍意義。針對數字地面模型的建立、優化、重組等計算模塊是成熟的fortran程序代碼，本文成功實現了vc + +與fortran語言的混編； 2 ）緊緊圍繞三維選線設計中景觀模型的建立方法展開研究，綜合利用計算機圖形學、計算幾何及幾何造型學以及計算機模擬技術，採用opengl三維圖形庫，實現了景觀模型的建立以及動畫驅動，使得三維可視化技術成功應用於選線設計成果的三維直觀表達； 3 ）結合有關科研課題，利用vc + +開發工具，以本文所述的理論和演算法為基礎，研製和開發了一個建立三維選線設計逼真景觀模型的系統軟體- - 「鐵路線路三維景觀動態模擬系統」 。It becomes possible that digital railway plan be used, which based on 3d terrain environment for the introduction of virtual reality and the wide application of digital photogrammetric survey
虛擬現實技術的引入和數字攝影測量技術的廣泛應用，使得基於三維虛擬地形環境的數字鐵路選線成為可能。The railway plan, survey technology and visual reality technology are combined by digital railway plan system, which improves railway plan efficiency, shorts engineering plan periods and leads important societal and economic benefit. the appearance of digital railway plan system indicates the reformation of railway plan technology
數字鐵路選線系統有效地將鐵路選線設計的問題與測繪技術、虛擬現實技術結合起來，將會提高鐵路選線設計的生產效率，縮短工程設計周期，產生重大社會效應和經濟效益。Using the model dividing technique, the virtual scene is divided into small - scale sub - scenes. meanwhile, by combining the different transferring sequence of sub - scenes, this could not only reduce the network delay, but allow the combination of sub scenes in any sequences so that users can choose their own path to follow
結合模型分割技術，將虛擬場景分割成小規模的子場景，這樣即有利於降低網路延遲，同時通過組合子場景的不同傳輸順序，打破流式傳輸的固定路線傳輸，在一定程度上滿足用戶挑選路徑瀏覽的需求。There is an important problem for the wdm network which is the traffic on the wdm network is dynamically variable, as a result, if the traffic on the virtual topology has changed, the performence of the network such as average number of weighted hops, the throughput of the network, the congestion of the network will decline, obviously, this is not acceptable for both the network administrators and network clients. in this thesis, the research of the plan of the wdm network under dynamically variable traffic can be classified into two main directions
Wdm光傳送網是下一代高速廣域骨幹網的最具競爭力的候選者，但是， wdm網路存在的一個重要問題是在wdm網路上運行的業務量是動態變化的，這造成的結果是最初通過搭建光路設計好的光網路虛拓撲在新的業務量矩陣下它的性能如網路平均權重路由跳數，網路負載均衡性，網路擁塞等性能指標都有可能下降，這顯然是各個網路運營商和網路用戶所不能忍受的。As the management of enterprises involves knowledge, core competence construction also needs innovation in concept, administration, management, marketing, technology, producing and capital utilization. the following are the concrete measures : l. concept innovation : both the administrative personnel and employees should seek truth from facts as well as form innovative concept of globalization, openness and crisis - conscious, talent - treasured and cooperative spirit. they should never stop learning and going backwards
在生產技術創新方面，企業要外部引進與自主研發並重，走以突破性技術創新為主，兼顧增量性技術創新的技術創新道路，掌握具有自主知識產權的核心技術井不失時機地把新技術應用到產品創新中去；在組織技術方面，企業應實行全面質量管理，並根據本企業實際情況有選擇地引入敏捷製造技術、準時生產制與精細生產技術以及虛擬企業技術等先進的生產組織技術。Ports and depots / stations provide multifunctional logistics services, so logistics center pattern and voluntary chain patten should be their choice. transportation agencies have the advantage of wide and professional business network and good costumer relationship, therefore they can use virtual managing pattern or incomplete vertical integration pattern to develop the logistics services. multimodal transportation companies are the most competent ones, so conglomeration pattern and supply chain cooperation pattern should be the shortcut for them to get into the advanced developing stage
車船運輸企業的物流特徵表現在貨物的位移上，其物流經營應遵循基於縱向一體化的物流配送模式或供應商/分銷商合作模式；港站企業由於其吸引式的多功能物流服務，物流中心模式或特許連鎖經營模式應是其發展的主要選擇；運輸代理企業的優勢則在於廣泛、專業的業務網路和良好的客戶關系，因此虛擬經營或不完全縱向一體化模式是其首選；而綜合運輸企業是最具物流競爭力的一類運輸企業，走集團化或供應鏈合作的道路是其邁入物流發展高級階段的捷徑。In detailed work of visual assemble design, according to organization of crane ’ dolly, author applys bed assembly technology by secondary development of soli - works, that means small assemblys assembled first then big organs and the whole dolly last. we can modify the assemble or parts ’ parameter and replace parts in time by designing user dialog box. meanwhile, the paper contains development of assemble collision detection. algorithmic efficiency has a close connection with running speed
本文在進行虛擬自動裝配開發時，根據起重機的機構組成特點，採用分層裝配的規劃設計思路，先由單個零件組裝成小部件，再由小部件組裝成大部件，最後將各部件組裝成整臺起重機小車。裝配中的關鍵技術是利用輔助特徵構造裝配選擇集和簡化裝配零件數量。The developing environment of vi is selected according to the test requirements of roic
根據讀出電路的測試需要，選擇了虛擬儀器開發平臺。Sample error probably caused from data collection circuit of rf virtual frequency spectrum analyzer instrument was emphasized, and some kinds of selectable resolution scheme were presented, then these schemes of advantages and disadvantages were compared and summarized by the way of theory analyse, matlab simulation and practice validate and so on, at last, the optimum scheme of rf virtual frequency analyzer instrument was decided and adopted
重點對虛擬射頻頻譜分析儀中的數據採集電路可能造成的采樣誤差進行了分析，提出了幾種可供選擇的解決方案，經過理論分析、 matlab模擬和實際驗證等手段，對這幾種方案的優缺點進行了比較和總結，並最終確定了其中最適合虛擬射頻頻譜分析儀的方案。It includes demand analysis for the whole web - oriented courses system, the whole blue print design, the multimedia teaching system, the resolving question system, the exercise training system, the mock examination system, the demo of virtual model and virtual mechanism system, jsp ( java server page ) technology of developing dynamic web site, the choice of graphics processing platform, database design and security consideration
其中包括：整個網路課程系統的需求分析，整體方案設計，多媒體授課、輔導答疑、習題練習、模擬考試、虛擬模型機構演示子系統具體功能分析和設計， jsp動態網站開發技術，圖形處理平臺選擇和數據庫設計，安全問題。Furthermore, in the second part, the author makes a deeply discussion and research on the design scheme of dalian tv station non - linear av editing network including the double - net framework, the digital compress technique, the virtual storage technique, the choices of digital compress format, the account of terminal stations, the manage functions and security of the system, etc. finally, in the third part, the author introduces the progress of non - linear av editing network in the future, showing the choices of compress format, software function, i / o interface, whole system of programming and broadcast, combining with internet and interactive tv, points out the direction of tomorrow tv technology system
在此基礎上，隨后在文章第二部分對大連電視臺的非線性視音頻編輯網建設從其核心技術與具體網路設計方案進行了詳細的闡述。其核心技術主要包括雙網結構、數字壓縮技術、虛擬存儲技術等；具體網路設計方案則包括數字壓縮格式的選擇、站點的數量及功能、系統的管理功能及安全性分析等幾個方面。文章的第三部分則主要通過壓縮格式選擇、軟體功能、上下載介面、制播一體化、與internet結合、交互電視等方面展開對電視臺非線性編輯網路的發展的論述，指出未來電視技術系統的發展方向。Activex technology, data socket server technology, web server technology and java technology were mainly probed into the computing mode ' s development process was discussed in detail. this thesis also give all - around discussion of advantage and disadvantage of bis and cis mode and select b / s mode at last the developing tools " selection was also analyzed and we selected nl ' s labview and nacimiento software company ' s appletview
論文中還對幾種開發遠程虛擬儀器的軟體技術以及幾種網路計算模式進行了分析和比較；主要探討了activex技術、 datasocket服務器技術、 web服務器技術以及java技術；詳細的論述了計算機計算模式的發展歷程，對b s以及cis模式的優缺點進行了全面的論述，並最終確定選用b s的計算模式。The author discussed the four steps model and provided the ameliorative method of the logit model and the solution of the fictitious public traffic routes. firstly, the author discussed the result of survey of residents trip, concluded the primary character of residents trip and put forward the method of stratified random sampling plan on that.
預測時採用了一種比較流行的「四階段模型法」 ，針對「四階段模型法」的出行分佈、交通分配子系統展開了深入的討論，提出了針對重慶山城交通特點的「改進的logit型的隨機路徑選擇模型」和「虛擬公交線路演算法」 。The safety installation of the automobile bumpproof is a very hot topic nowadays, and it is also one of the most important part of intellectual traffic. we use the compound radar and fm coding technology, choose the unique route to produce and develop the expressway automobile bumpproof and alarming installation, which solve the " false alarming " problem that occurs while b eing interrupted in the complicated traffic conditions
汽車防撞安全裝置是當今世界的熱門話題，是智能交通的重要組成部分，我公司開發生產的高速公路汽車防撞報警裝置採用復合雷達和調頻編碼技術，選擇獨特的技術路線，解決了復雜交通環境下因干擾而產生的"虛警"而且作用距離遠，反應速度快，可靠性高。You also have choices for building a federated database to create a virtual data store or other options, including storage area networks, network file systems, and dedicated storage servers
您也可以選擇構建一個聯邦數據庫，創建一個虛擬的數據存儲。還有其他一些選擇，如存儲區域網（ srorage area network ） 、網路文件系統，以及專用的存儲服務器等。分享友人