本地通信網 的英文怎麼說
中文拼音 [běndetōngxìnwǎng]
本地通信網
英文
lcn:local communication network-
As a kind of representation of the idea of ncw, the essence of aerial defence missile network - centric operation is to connect every part of the adms within certain areas into a network, in order to utilize and exert the function and advantages of each battle system to the full extent, to shorten the responding time for aerial defence battle system, and thus to improve the whole battle efficiency
防空導彈網路化作戰是在區域防空作戰背景下研究網路化作戰理論的具體實現，其基本思路是將在一定地域內防空導彈系統的各部分網路化，在通信網路的支持下，充分利用和發揮各作戰系統的功能和優勢，以提高防空作戰系統的反應時間，提高該地域內防空導彈系統的整體作戰效能。Technique of transmitting data via power line （ pl ） ， a new technique developed in recent years ， is used to automatize the free collecting system in public service and the management of uptown service 。 this article discussed the advantage ， disadvantage and the current state of the power line carrier communication 。 the advantage ， method and current state of using spread spectrum technique in power line communication are discussed 。 then the characteristic of low voltage power network was also compendious analyzed 。 in this paper ， after introducing the principle of ssc ， design of hardware and software of the system are been discussed 。 this system has been put into use ， the result has proved its high stability and reliability
本文研究旨在提供一種利用低壓電力供電網路、低成本、高可靠地實現公共事業收費自動化和小區物業管理智能化的技術應用。討論了電力線載波通信的優、缺點及現狀，擴頻技術在電力線載波通信應用的優點、方式和現狀，並對低壓電力線網路的特性進行了簡單的分析。在闡述了擴頻通信的基本原理的基礎上，本文詳細地介紹了電力載波遠程抄表系統的具體實現，包括硬體模塊和管理軟體本系統已投入運行，具有較高的穩定性和可靠性。Firstly, this paper contrapose the disfigurements which exist in the internal gis software, the trend and technology of gis in the era of internet was discussed. secondly, using distributed computing technology to solve the problem of speed, making use of distributed database technology to settle the data distribution and share problem and utilizing distributed object technology to solve the problem of integrating the subsystems. finally, according to analysis for actual problem i have met in my developing process, this paper put forward a blue print which is very available to webgis based on distributed environment
本文首先針對目前國內gis軟體的缺陷，對網際網路時代地理信息系統的發展趨勢和技術進行了探討；然後提出利用分散式計算技術解決速度問題，利用分散式數據庫技術解決數據分佈和數據共享問題以及利用分散式對象技術克服各子系統集成問題的思路，探討了在上述技術的基礎上開發動態更新的webgis ；最後通過對實際應用中所遇到問題的分析，提出了切實可行的基於分散式環境的webgis解決方案。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。Routing and wireless resource management combining solution scheme in multi - hop wireless network is studied in this thesis, one distributive working scheme combined routing and wireless resource management is prompted and applied in eplrs communication network with the multi - hop wireless networking mechanism. that solves the high dependency on network controller and delay issue effectively, and satisfies the system ’ s communication business need
本論文對多跳無線網路中路由與無線資源管理相結合的解決方案進行研究，提出一種結合路由與無線資源管理的多跳無線通信網路分散式工作方案，並將多跳無線網的組網和此工作方案應用在eplrs通信網路中，有效地解決了eplrs網路集中式管理造成的高度依賴網控節點和時延問題，滿足了系統的通信業務需求。5. in the background of the design and implementation of network management system for the local network of china mobile, we have analyzed and designed detailedly the key technique, approach and software architecture of a practical network management system based on starbus, which use mhnm architecture, the scheme of managed objects arrangement, saa, gpa and practical skills achieved when we developed china post and china broadcast and tv network management systems. in the end, we summarize the main achievement of this paper and state some further work in the future
5 .以中國移動通信網本地網網管系統設計為背景，以我們先後開發中國移動通信網本地網網管系統、廣電有線電視傳輸網網管系統和郵政網網管系統的實踐為基礎，結合多級網路管理體系結構ml江nm 、管理信息的組織策略、提取管理信息的自適應演算法saa和組預取演算法gpa ，在基於corba的分佈計算軟體平臺starbus上，詳細分析了基於corba技術實現實用的異構網管系統集成管理的關鍵技術、途徑和軟體結構。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。China ' s two fixed - line operators, china telecom and china netcom, are suffering as consumers defect to mobile phones for local calls and to cheap internet - based services for long - distance calls
中國兩家固定線路運營商中國電信和中國網通正在遭遇用戶流失，由於移動電話既可以提供本地通話服務，也可以提供廉價的基於因特網的長途通話服務。The author first completed interface design between rcm2200 and gps25lp - oem, and connected rcm2200 with local area network. then a communication controller was developed on rcm2200 microprocessor module using dynamic c language to program, which could realize receiving gps data and transmitting these data to local area network in the form of udp message. in local computers, the author used visual c + + to program and presented real - time data that was useful for location to users
作者完成了rcm2200與本地局域網的連接以及與gps25lp ? oem之間的介面設計，採用dynamicc語言編程，在rcm2200嵌入式微控制器模塊上開發了一個通信控制器，根據gps25lp ? oem的輸出數據類型和格式，提取了gps定位數據並以udp報文的形式轉發給本地局域網，在本地局域網的計算機上，採用visualc + +進行編程處理，使用戶實時觀察到定位所需的有用數據信息。Satellite earth stations and systems - harmonized en for mobile earth stations of geostationary mobile satellite systems, including handheld earth stations, for satellite personal communications networks in the 1, 5 1, 6 ghz bands under the mobile satellite service covering essential requirements under article 3. 2 of the r tte directive
衛星地面站和系統.包括手持式地面站的同步移動衛星系統的移動地面站及包括r tte指令中3 . 2條款基本要求的移動衛星業務中頻帶為1 . 5 1 . 6ghz的衛星個人通信網路用協調的en標準Lcn : local communication network
本地通信網Local communications network
本地通信網This essay firstly systematically introduces the theories and key technologies of vpn with the detailed presentation of the functions of safety manage central - - - - the automatic production and distribution of passwords, remote - controlled destroy of passive and active passwords, loading special data in air and special tracing of cell phones that are out of control. besides, the researchers has analyzed the contents and findings of similar researches both domestics and overseas with the emphases on the in - depth research of safety communication gateway in order to confirm a system model and carry out the macro - design. after that is the detailed introduction of the design realization of special information transportation
本文首先系統地介紹了gsm移動通信保密專網的原理知識及關鍵技術，詳細介紹了安全管理中心的功能- -密鑰自動產生和分配、被動式和主動式密鑰遙控銷毀、專用數據空中加載、以及失控專用手機追蹤等，並且對國內外同類研究的內容和成果進行分析;重點對安全通信網關進行了深入研究，確定了一種系統模型並進行了總體設計，然後對其中專用信息傳輸的設計實現進行重點介紹;本文還對安全管理中心的短消息安全通信網關與專用手機進行性能測試，測試結果表明該系統符合課題的各項技術指標，實現了安全通信網關的各項功能需求;最後，總結課題工作，對下一步系統進行完善和發展的內容提出了具體建議。Secondly, the modification function and resonance produced by running power capacitor increased the harmonic at the same time, which worsen the operation environment of itself. it is very important to analyze the reason of harmonic and conduct the valid measure to restrain its affect and guarantee the safely operation of power network. the author has present the point in this paper, based on the operation characteristic of modern power system, the author described the production and development of network harmonic with the consideration on the same kind of problem
本文以現代電力網路的運行特點為基礎，結合近年來對所涉及的同類問題的思考，對系統諧波的產生、發展的一般規律進行較為全面的理論闡述；以大量事故案例分析諧波所帶來的危害和影響；通過實地測試和對所得數據的分析研究，推導出一種應用matlab的fft的諧波分析方法，給出了該方法的程序流程框圖及結果界面顯示；在此基礎上進一步探討了利用現代通信網路建立電網諧波網路管理分析系統的總體構想和功能。The paper discusses and researches some detailed issues about the distributed monitoring system for the electrical enterprise microwave network. the main research contents and results in this paper are as follows : 1. presenting a general scheme to implement the distributed monitoring system for electric power microwave network, including the software and hardware development of central monitoring station ( cms ) as well as the framework and scheme design of local monitoring station ( lms ) and data acquisition unit ( dau )
本文對該系統進行了詳細探討與研究，完成的主要工作和取得的成果如下： （ 1 ）提出了電力微波通信網分散式監測系統的總體方案，包括中心監測站（ centermonitoringstation ， cms ）的軟硬體研製，以及本地監測站（ localmonitoringstation ， lms ） 、數據採集單元（ dataacquisitionunit ， dau ）兩部分的結構和方案設計。In the manufacture of communication equipment, we shall further raise the proportion of homemade products in the newly added fixed switching devices ( 99 % ) ; we shall lay emphasis on the science research for development of equipment of mobile communication and optical communication equipment and try to raise the proportion of independent intellectual property rights so as to make homemade equipment take the leading position in the domestic market and let the market proportion of newly installed equipment exceed 50 % and 30 % ( for the trunk network ) respectively ; we shall basically let the low - end equipment and border equipment of the data communication network be homemade products, and quicken our steps in nationalization of the core equipment ( the backbone atm switchboard and the high - bit routing device ) on the basis of introduction, digestion and assimilation of foreign advanced technology
對于通信設備製造業，將進一步擴大新增固定交換設備國產化的比例（ 99 % ） ；將重點加強移動通信和光通信設備的科研開發力度，努力擴大自主知識產權的比例，使國產化設備在國內市場中佔主導地位，新增設備市場佔有率分別超過50 %和30 % （骨幹網）以上；基本實現數據通信網路低端設備和邊緣設備國產化，在引進、消化、吸收國外先進技術的基礎上，加快骨幹核心設備（骨幹atm交換機、高比特路由器）的國產化步伐。Through rs232 / rs485 interface, the proxy agent can monitor local components, and through snmp, the network management system exchanges information with the proxy agent, by which way it achieves remote management
該系統包括snmp管理站和委託代理兩部分：委託代理通過rs232 rs485介面實現了對設備的本地管理；網路管理站通過snmp和委託代理交換管理信息，從而實現了對設備的遠程管理。The republic of korea has the largest number of wap users because it has the sole market for 64 kbits service in the region, excluding japan. this shows the importance of connection speed
韓國擁有最多的wap用戶因為它是此地區（除日本外）移動通信網上唯一享有64kbits傳輸速率的市場，這也說明連接速度的重要性。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。By externalizing storage and taking storage traffic off the operation network, companies gain a high - performance storage network, shared yet dedicated networks for the san and lan, and improved network management
通過存儲外部化和把存儲的信息流量脫離運行網， （用戶）公司就能獲得高性能的存儲網路，存儲區域網（ san ）和本地局域網（ lan ）還能共享專用的網路，並改進網路的管理。分享友人