高速本地網路 的英文怎麼說
中文拼音 [gāosùběndewǎnglù]
高速本地網路
英文
high speed local network hsln- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 本 : i 名詞1 (草木的莖或根)stem or root of plants 2 (事物的根源)foundation; origin; basis 3 (本錢...
- 網 : Ⅰ名詞1 (捕魚捉鳥的器具) net 2 (像網的東西) thing which looks like a net 3 (像網一樣的組織或...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 高速 : (高速度) high speed; high velocity (hv); high rate; swift; fast; express; high-speed
- 本地 : this locality; local; native
- 網路 : 1. [電學] network; electric network2. (網) meshwork; system; graph (指一維復形); mesh
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In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab
針對無連接和面向連接的各種復雜網路環境下,通信頻帶資源緊張,音頻傳輸帶寬有限且復雜多變,而各種音頻數據又日益增多的局面,本文研究小波分析在信號處理方面的數學依據和在數據壓縮方面的實際意義,在前人不斷工作的基礎上,提出了一種優化小波包變換編碼方案用於音頻數據的壓縮演算法,兼考慮了編碼效率、多碼率和壓縮時延多個方面,並在matlab環境下做了模擬實驗,對各種音頻信號及多種小波函數做了模擬結果比較,實驗結果證明該演算法可以在一定計算復雜度下可以很好地改進壓縮效果,達到多碼率下實現實時編解碼的過程,在高速dsp晶元等硬體設備支持下,可以有效應用於實際復雜多變信源編碼。In this paper, the rotating machinery at high speed is studied. there are discussed about numerical calculating methods for non - linear dynamical system, the rotor system radial impact and rubbing dynamics behavior analysis having the nonlinear rigidity on the unsteady and non - linear oil film, the rotor system dynamics behavior analysis with bending - torsional - pendular coupling vibrations, application of wavelet, fractal and network in fault diagnosis. the main works in this paper are as follows : ( 1 )
本文以高速旋轉機械為主要研究對象,系統、深入地研究了非線性動力學系統的數值計算方法、具有非線性剛度的轉子系統在非穩態非線性油膜力作用下的徑向碰摩動力學行為、轉子彎扭擺耦合振動的動力學分析、小波和分形理論及人工神經網路在故障診斷中的應用問題。This article puts forward a solution named divide - assemble by deducing the size of bp neural network to overcome entering the local best point, the dividing process is that a big bp neural network is divided into several small bp neural networks, every small bp neural network can study alone, after all small bp neural networks finish their study, we can assemble all these small bp neural networks into the quondam big bp neural networks ; on the basis of divide - assemble solution, this article discusses the preprocessing of input species and how to deduce the size of bp neural network further to make it easy to overcome entering the local best point ; for the study of every small bp neural network, this article adopts a solution named gdr - ga algorithm, which includes two algorithms. gdr ? a algorithm makes the merits of the two algorithms makeup each other to increase searching speed. finally, this article discusses the processing of atm band - width distribution dynamically
本文從bp網的結構出發,以減小bp神經網路的規模為手段來克服陷入局部極小點,提出了bp神經網路的拆分組裝方法,即將一個大的bp網有機地拆分為幾個小的子bp網,每個子網的權值單獨訓練,訓練好以後,再將每個子網的單元和權值有機地組裝成原先的bp網,從理論和實驗上證明了該方法在解決局部極小值這一問題時是有效的;在拆分組裝方法基礎上,本文詳細闡述了輸入樣本的預處理過程,更進一步地減小了bp網路的規模,使子網的學習更加容易了;對于子網的學習,本文採用了最速梯度? ?遺傳混合演算法(即gdr ? ? ga演算法) ,使gdr演算法和ga演算法的優點互為補充,提高了收斂速度;最後本文闡述了用以上方法進行atm帶寬動態分配的過程。The university campus backbone network is linked to the hong kong internet exchange hkix, the most popular internet exchange in hong kong hkix operated by itsc, via gigabit ethernet links. this connection gives you the fastest access to local websites
校園主幹網路以每秒一千兆位元的高速連線,連接至由中文大學營辦的香港國際網際網路交換中心(簡稱hkix ) ,為本地數據傳輸架設了四通八達的資訊高速公路。The university campus backbone network is linked to the hong kong internet exchange ( hkix ), the most popular internet exchange in hong kong ( hkix ) operated by itsc, via gigabit ethernet links. this connection gives you the fastest access to local websites
校園主幹網路以每秒一千兆位元的高速連線,連接至由中文大學營辦的香港國際網際網路交換中心(簡稱hkix ) ,為本地數據傳輸架設了四通八達的資訊高速公路。The university campus backbone network is linked to the hong kong internet exchange hkix and hong kong internet exchange2 hkix2, the most popular internet exchange in hong kong managed by itsc, via gigabit ethernet links. this connection gives you the fastest access to local websites
校園主幹網路以每秒一千兆位元的高速連線,連接至由中文大學營辦的香港網際網路交換中心( hkix )和香港網際網路二號交換中心( hkix2 ) ,為本地數據傳輸架設了四通八達的資訊高速公路。The first chapter of this paper analyses the background and meaning of the establishment of disciplines navigation system for network resources. with the rapid increase of network academic information resource, search engine as the web primary retrieval tool can " t meet the retrieval request of specialty information resources ; traditional cataloging techniques can " t meet the needs of magnanimous network academic resources ; most of the " navigation of networks " established by libraries are the simple link of websites. it lacks the necessary revelation and evaluation of resources content
本文在第1章分析了網路資源學科導航系統建設的背景和意義:隨著網路學術信息資源的飛速增長,作為web主流檢索工具的搜索引擎難以高效、準確、全面地完成專業信息資源的檢索請求;傳統編目技術也無力承擔海量網路學術資源編目的需求;圖書館所建的「網海導航」多數為對網站(頁)的鏈接,缺乏對資源內容必要的揭示與評價;國內對網路學術資源標準化的研究也相對滯後於國外。The innovations of this thesis can be summarized into three points. firstly, the average relative velocity is introducd into a novel adptive weighted clustering algorithm as one important parameter of weight, then it increases the stability and self - adaptability of cluster head. secondly, a new approach to calculating weight is suggested by integrating subjective and objective factors. it is verified by comparison with other approaches to selecting weight. thus the velocity of weight responding to the changes of network topology is increased. finally, using a som neural network to create a classifying model enables every node to learn to identify by itself the role in manet
本文的創新點有三個:首先本文在wca和aow分簇演算法的基礎上,引入了平均相對移動速度作為權值重要的參數,提出了一種新的基於權值的自適應分簇演算法,提高了簇頭在移動中的穩定性和自適應性;其次,提出了利用主客觀綜合賦權法確定權重的權值計算方法,通過與其他權重選擇方法比較,網路結構變化的權值響應速度得到了改進;最後,論文利用自組織特徵映射神經網路建立分類模型,使得網路中的節點可以自學習地確定簇中角色。Firstly, the three main harmful factors " characters and rules, theirs effect on civil house, demolishment criterion and control measure will be researched systemically. secondly, fuzzy mathematics, system arrangement analytical method and expert consultation method are put forward and discussed specially to set up civil house security fuzzy multi - arrangement elevation model, to evaluate blasting harmful factors " effect to neighborhood civil house ' s safety in the construction of express way, to predict the security of civil house and to bring forward control measures. lately, the forecast of the civil houses " safety by using bp neural net model and optimize of the blasting parameters will also be discussed in the dissertation
本文的主要研究工作有:系統地研究了爆破地震、爆破飛石、爆破空氣沖擊波三大有害因素的特徵及規律、對民房的影響、破壞判據和控制措施;提出並重點論述採用模糊數學和系統層次分析法及專家咨詢法建立民房安全性模糊多層次評價模型,對高速公路建設中爆破有害因素對鄰近民房安全進行評價,預測民房安全性,提出控制措施;利用bp神經網路模型對民房安全進行預測,並對爆破參數進行優化。Because ga possesses the traits of can global random search, the robustness is strong, been use briefly and broadly, it didn ’ t use path search, and use probability search, didn ’ t care inherence rule of problem itself, can search the global optimum points effectively and rapidly in great vector space of complicated, many peak values, cannot differentiable. so it can offset the shortages of nn study algorithm, can reduce the possibility that the minimum value get into local greatly, the speed of convergence can improve, interpolation time shorten greatly, the quantity of training reduce
因為遺傳演算法具有全局隨機搜索能力,魯棒性強、使用簡單和廣泛的特點,它不採用路徑搜索,而採用概率搜索,不用關心問題本身的內在規律,能夠在復雜的、多峰值的、不可微的大矢量空間中迅速有效地尋找到全局最優解,所以可以彌補神經網路學習演算法的不足,使陷入局部最小值的可能性大大減少,使得收斂速度提高,訓練量減小。This technology not only ensures high working speed, but also prevents the appearance of different versions of the same file. this enables on - demand printing with good management of network resources, helping those businesses to provide individualized services to their own customers
這就為真正實現高速列印提供了保證,同時,這也便於集中控制,避免同時存在一種表格的多個版本,真正實現科學地利用管理網路資源進行按需列印,並幫助行業用戶為其客戶提供高質高速並具個性化的服務。People can get almost information through the internet. this gives rise to serious problems including wide spread copyright violation, illegal copying, easy forging etc. these problems are rooted from the intrinsic features of the digitally formatted information : ( 1 ) making copies is easy and inexpensive ; ( 2 ) each copy is exactly identical to the original ; and ( 3 ) distribution of the copies ( e. g. via network or floppy ) is easy and fast
多媒體數據的數字化為多媒體信息的存取提供了極大的方便,同時也極大地提高了信息表達的效率和準確性,如數字信號很容易進行編輯,可以方便、便宜、無失真地被復制,數字聲音、文本、圖像和視頻易於通過電子的(網路)或物理的( cd - rom )系統低價高效地迅速傳輸和分配等。3. influenced by external environment, tncs will speed up their adjustment of strategy, coming more quickly and with larger amount of investment. they will also implement their " localization " strategies further and upgrade their chongqing business units in their global network. they will focus on hi - tech industries and invest more in services fields, such as trade, finance, insurance, etc. and their investments will be more systematic and organical
在環境變化作用力下,未來2 - 3年內,跨國公司將加快在中國已開始的戰略調整步伐,加速進入重慶等中西部地區,並加大投資力度;進一步推進實施本地化戰略,提高重慶在其全球經營網路中的戰略地位;投資重點轉向高新技術產業,投資領域向貿易、金融、保險等服務性行業拓展;投資日趨系統化和一體化;從搶佔有形資源向搶占無形資源、人力資源過渡;加強與重慶本地企業的戰略協作和戰略聯盟。At present, ip based network is becoming more and more popular in daily life and commercial operation. however, the traditional sdh equipment could not provide high speed and low cost data service and it ' s not economical of investing too much on new equipment and withdrawing the primary investment. furthermore, the entire digital network cannot fulfil the existing traditional operation. so how to inosculate ip based data network and sdh network becomes a very inportant and pratical technology
現在,應用ip技術的數據網路在日常生活和商業運作中變得越來越普遍,而傳統的sdh設備不能提供高速率、低成本的數據業務;同時要對新設備進行可觀的投資和撤出對現有sdh設備的投資,把sdh網路重組成一個純數據網路也不經濟;而且純數據網路不能經濟地實現現有的傳統業務,如固定帶寬的租用線業務和話音業務。Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail
針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向,本論文重點做了以下幾個方面的工作,目的在於提高dtc系統的綜合性能: ( 1 )提出一種新型的速度磁鏈觀測器,新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度,並且根據popov超穩定性理論推導出轉速的新型自適應收斂律; ( 2 )改善系統的低速運行性能,主要從提高低速時對定子磁鏈的估計精度入手,提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參數; ( 3 )採用數字信號處理器dsp實現系統全數字化硬體控制,結合ti公司生產的tms320lf2407晶元,設計了直接轉矩控制系統的實驗裝置; ( 4 )提出了基於sercos總線網路化分散式的直接轉矩控制系統, sercos ( serialrealtimecommunicationsystem )是目前最適合同步和協調控制的串列實時通信協議; ( 5 )基本勾勒出整個控制系統的硬體和軟體設計基本框架,詳細描述一些實驗中的具體的細節問題。In this thesis, we realize the web - based rtu in telecontrol system for electrical railway systems by using new techniques of computer, communication, and existing the resources of super - speed fiber optic cable that we have already had. besides, we also realize the multi - receiver of the rtu real - time information and the consistency of the information ; the bottleneck problem of the communication and " information solitary island " can also be solved. improving the consistency and real - time performance of information transmission, sending all kinds of information more accurate, safety and faster to the places where the information is required and receiving permitted, realizing larger scope information sharing are all newly and highly anticipated projects in the area of supervise and control
最大程度的結合新型計算機通信、網路及軟硬體技術,利用目前已經具備的高速光纜通道資源,實現scada系統被控端基於web方式的廣泛聯網,可以解決rtu信息一發多收、一致性,通信瓶頸及『信息孤島』等問題,提高信息傳輸的實時性和一致性,把各種信息更加準確、安全、快速的送到所有需要並被允許的地方,實現更大范圍的信息共享,是目前監控領域的一個嶄新而又備受關注的課題,本文首先綜述了電氣化鐵道scada (電鐵scada )系統的三大組成部分:調度端、被控端和通信通道的發展概況,闡述了傳統模式的電鐵遠動系統的弊端所在,接著提出了基於web模式的電鐵scada系統硬體結構設計。The committee has produced draft standards for high - speed coaxial cable bus and fiber optic ring local networks
該委員會已經制定了高速銅線電纜總線及光纖環本地網路標準草案。Socket function mainly realizes setting up and initializing service unit socket, initializing service unit and service unit serial and so on. bind funcion primarily binds local address and port for the socket. listen function is to evaluate the max length of server ’ s listening queue. connect function and accept function set aside rate ahead, infrom user ’ s request of establishing virtual circuit to suna, cooperate with suna to establish the connection between client and server, return the result. we make use of three handshake with data protocol and virtual circuit mode, in this way, when we translate data, we can look up communication course according to virtual circuit number, at the same time, there aren ’ t source ip address and port, end ip address and port in the head of data package, the speed of translating data advances in a certain extent. send function and recv function is to send data collaborating with suna, and copy data from the receiving queue of socket to user ’ s buffer. close function cooperate
Socket ( )函數實現創建、初始化服務元套接字,初始化服務元及服務元序列等。 bind ( )函數為套接字綁定本地地址和埠號。 connect ( )和accept ( )函數主要是根據用戶要求預留帶寬,將用戶的建立虛電路請求轉達給服務元網路體系,協作服務元網路體系採用捎帶數據的三次握手協議建立虛電路,並告訴用戶處理結果,一方面,捎帶數據的三次握手協議在一定程度上可提高數據傳輸速度;另一方面,採用虛電路方式,使得數據通信可直接根據虛電路號查找相應的通信進程,而且數據包的包頭中省去了源ip地址、埠號和目的ip地址、埠號,提高了數據傳輸速率。At last, the fnn is used for forecasting bedding rock slope ' s stability, and the fnn ' s bedding rock slope forecasting system is set up which is successfully applied in wanliang speedway slope engineers
最後文中將典型的邊坡工程實例作為樣本供網路( fnn )系統的學習,然後成功地將順層邊坡穩定性神經網路預測系統應用於萬梁高速公路邊坡工程中。At present, the backbone transport network in china mainly introduced the sdh transport techniques and atm switching techniques, then the network functions and traffics are highly integrated. and the damage of transport link and / or node failures will become much more serious than that of existing networks. in addition, because of the increasing social dependence on communication systems and the growing importance of information, it is very important to study network survivability strategies, which is also one of the important criterions to evaluate transport networks
這意味著通信網,尤其是大容量的高速通信網的失效(包括節點和線路的失效)將會給人們帶來巨大的經濟損失;另外,隨著人們生活水平的提高,人們對信息傳送的質量的要求也越來越高,這使得通信網的生存策略研究顯得很迫切;況且,中國已加入wto ,電信運營的競爭日趨激烈,為了在競爭中有一席之地,各電信運營商必需提供高質量、低成本的電信服務,這進一步促使通信網的生存策略研究提上日程。分享友人