無線廣域網 的英文怎麼說

中文拼音 [wúxiànguǎngyùwǎng]
無線廣域網 英文
wireless wide-area network
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 域 : 名詞（在一定疆界內的地方; 疆域） land within certain boundaries; territory; region
  • 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...
  • 無線 : wireless無線電報 wireless telegram; radiotelegram; 無線話筒 radio microphone ; 無線裝訂 unsewn binding
  1. Compared with conventional lan, the wlan has a lot of advantages, such as movability, convenience to access, confidentiality, antijamming, easy to maintain and low cost. now, the most widely used wlan technology is based on ieee 802. 11 standard. however, the traditional security methods, for example wep, are proved not insecure

    與傳統的有線網路相比，無線局域網wlan （ wirelesslan ）具有可移動性、用戶接入靈活、保密性強、抗干擾性好、維護方便以及良好的性價比等優點，現在應用最廣泛的就是基於ieee802 . 11標準的無線局域網技術。
  2. To provide wireless wide area network connection for express

    為"快檢通"系統提供無線廣域網連接
  3. Provision of wireless wide area network and related support services for the entry exit processing and records system express

    為"快檢通"系統提供無線廣域網及有關支援服務
  4. For come - and - go between cities, many commercial customers need to deal with their business by notebooks, wireless lan accord with their needs. nowaday the protocol which applies to wlan is 802. 11. but as wlan ’ s transmit medium is atmosphere, it exposure in air, it is very easy to wire tapping by hackers

    現在應用最廣泛的就是基於802 . 11協議的無線局域網技術。然而由於其傳播媒介是暴露于大氣中，通過空間來傳播信號，與有線網路相比更容易被黑客竊聽而獲得重要的信息。
  5. With the gprs wireless data business being widely applied in the areas of banking, lottery, and the oil or gas well monitoring, people set higher demand on the network management system which manages these devices access to the gprs network for wireless data transmission. they require the network management system to ensure the stable and reliable of data transmission by the devices of wireless data transmission, provide the more detail statistic report forms about the online status and online time of all the devices to users

    隨著gprs無線數據業務在銀行、彩票、油氣田監控等領域的廣泛應用，人們對管理接入gprs網路的無線數據傳輸設備的網管系統提出了更高的要求:要求網管系統能保證無線數據傳輸設備傳輸數據穩定、可靠以及能夠為用戶提供詳盡的關于設備在線狀態及時間的報表統計功能。
  6. The potential applications of amr include both civil and military communication, especially non - cooperative communications and communication confrontation, such as identifying signals, supervising signals, distinguishing interference, electronic confrontation, analyzing military threat, etc. on the basis of our analysis to the existing research on feature abstraction, the related feature abstraction methods are optimized in this paper, resulting several effective methods such as the feature abstraction based on transformation domain, stepped voltage level analysis, normalized carrier - free spectral energy analysis, squared signal and fourth powered signal analysis, etc. both the decision theory based on recognition algorithms and the artificial neural network ( ann ) based on recognition algorithms is analyzed, and the former is selected as it is more appropriate for this research

    調制類型的自動識別廣泛應用於民用通信與軍用通信，尤其是對于非合作性通信、通信對抗，比如：信號確認、信號監控、干擾辨識、電子對抗、軟體無線電、電子救援、通信對抗、軍事威脅分析等。本論文在分析現有研究的基礎上，借鑒了已有的特徵提取方法，對相關調制類型特徵提取方法進行了優化，使用了一些有效的方法，如基於變換域特徵提取方法、梯層電平分析方法、剔除載波后的歸一化頻域能量分析方法、信號平方后的頻譜分析方法、信號四次方后的頻譜分析方法等。通過對基於決策理論和基於人工神經網路兩種識別演算法進行分析，本論文選擇了較適合的基於決策理論的識別演算法。
  7. Wireless sensor networks have great prospect in the applications of military affairs, circumstance observation, disaster relief operation, dangerous area domination, etc. one of the key qualifications for these applications is localization of the targets needing monitoring and the network node

    無線傳感器網路在軍事國防、環境監測、搶險救災和危險區域的遠程控制等諸多領域具有廣泛的應用前景。網路節點或監測目標的定位是其中眾多應用的一個關鍵條件。
  8. Wireless wide - area networks ( wwans ) are charactered by very low and variable bandwidths, very high and variable delays, significant non - congestion related loss, asymmetric uplink and downlink channels, and occasional blackouts. additionally, the majority of the latency in a wwan connection is incurred over the wireless link

    無線廣域網（ wwans ）由於以下特徵而有別于有線廣域網（如internet ） ：較低並且易變的帶寬，很高且易變的延遲，與擁塞無關的數據丟失，非對稱的上行和下行通道，以及偶爾的昏眠狀態，此外，在無線廣域網上的大部分的延遲發生在無線連接部分。
  9. I have simulated rbtcp in the ns - 2 simulator. the results indicate the rbtcp can improve on the performance of tcp

    本文用ns - 2網路模擬器對rbtcp進行了模擬，從模擬結果我們可以看出rbtcp在無線廣域網上的性能將比標準的tcp有很大的提高。
  10. Dynamic network interface selection in multihomed mobile hosts. in proc. 36th hawaii international conference on system sciences hicss - 36, ieee computer society, big island, hawaii, usa, jan. 6 - 9, 2003, cd - rom, abstracts proc.,

    而cdma gprs等無線廣域網wwan ： wireless wide area network具有覆蓋面積大的優點，網路連接基本上是隨時可得的，但是所提供的帶寬卻非常有限。
  11. It discusses the characteristic of each level in osi model from the point of wwan first, then analyses clearly the primary technologies used in gprs / sms / csd and a topology structure model of the wwan based on gprs / sms / csd is presented. it also deeply discusses the integrate technology of gprs / sms / csd in a example of fujian environmental automatization system, at the same time a network model of wwan based on gprs / sms / csd is brought forward. last, there are the module programmers of the system

    本文從計算機開放系統互聯參考模型入手，按osi參考模型7層協議結構順序，逐步介紹了在無線廣域網環境中osi層次模型的特點，在此基礎上，詳細分析了gprs / gsm技術和簡訊息技術，並給出一個基於gprs /簡訊息/ csd的無線廣域網的網路拓撲結構；以福建省環境自動監測監控系統的分析和設計為例，探討了現階段gprs技術和簡訊息技術、電路交換技術在無線計算機網路系統中的集成問題，並給出了一個基於gprs /簡訊息/ csd的無線廣域網網路模型，最後是系統的模塊程序設計。
  12. With the mature and wide use of wireless lan, it has been available for wireless nodes to roam everywhere

    無線局域網wlan的成熟和廣泛應用，為無線節點移動漫遊提供了可能。
  13. Now there are many wireless local network protocols that have been extensively used, those protocols contain bluetooth 、 ieee 802. 11 series 、 homerf. . etc. those wireless local network protocols all respectively contain it ' s own characteristics 、 different application situation and different physic layer

    目前廣泛使用的無線局域網協議有藍牙、 ieee802 . 11家族、 homerf等，這些局域網都分別有自身的特點、不同的應用場合以及與之相適應的物理層。
  14. Adsl is generally apply to the soho accessing to internet, we present the design of the adsl soho gateway, including the hardware and software implementation. both hardware and software are contracted designed, we adopted elansc520 as the cpu, plus 2m flash and 16m sdram, and it ' s a typical example of embedded system. we adopted itex ' s apollo 3 pci solution as the uplink end, realtek 8029 and wlan at the other end. we adopted linux as the gateway operating system and integrated some application with it to implement dhcp, snmfj and firewall etc

    我們採用amd公司的elansc520做網關的cpu ， 2m的flash ， 16m的sdram ， rs - 232介面，這些可以看作是嵌入式系統的典型配置，採用itex的apollo3adslpci解決方案作internet的接入部分，即上行埠uplink ，另一側為以太網或無線局域網接多用戶，介面為rj - 45 ? ? o和無線訪問點（ ap ）天線，提供了靈活方便的組網方式，可以廣泛應用於家庭，小型辦公室的接入，如pc機、筆記本、列印設備的互聯。
  15. The mission of the professional wlanauthenticatio - nandprivacyinfrastruturer committee is to integrate and coordinate the industrial, social recourses ; upgrading the research, development, production and service level in the wlan field, accelerate the rapid and healthy development of wlan industry, realize the application of wapi standard, and protect information security and consumer ' s interest

    無線網路和網路安全接入技術專業委員會的宗旨是整合及協調產業、社會資源，提升聯盟成員在無線局域網相關領域的研究、開發、製造、服務水平，促進無線局域網產業的快速健康發展，實現wapi標準的推廣和應用，保護信息安全，維護消費者利益。
  16. Our experience in this area includes the design and implementation of our own lan and wide area network ( wan ) connecting over 1, 000 pcs throughout hong kong as well as our wireless lan

    我們在這方面的經驗包括設計和建立將部門分佈全港1 ， 000多部電腦聯系的局域和廣域網路，以及無線局域網路系統等。
  17. As a unique multiple access system based on the mcm technology, the orthogonal frequency division multiple access ( ofdma ) is a promising technology for bws

    作為一種基於mcm的特殊多址接入技術，在寬帶無線城域網建設中， ofdma接入技術有著其特有的優點及廣泛的發展前景。
  18. Due to a variety of its advantages such as high bandwidth efficiency and robustness against multi - path delay, it has been widely used in the fields of digital audio broadcasting, digital television and wireless local area networks and is likely to become one of key technologies of fourth generation mobile communications

    由於具有很高的頻譜利用率，很強的抗多徑延遲能力，它已經廣泛的應用在數字音頻廣播、數字電視以及無線局域網當中，並有望成為第四代移動通信的關鍵技術之一。
  19. It is also widely recognized as one of the key techniques in the next generation communication systems. from the above discussion, we can draw a conclusion that the burst cdma and the burst ofdm techniques will receive more and more attentions in the future

    而ofdm作為一種高頻譜效率的調制方式近年來得到了廣泛的肯定，不僅已經在數據地面廣播、無線局域網等通信系統中的到採用，並且在下一代移動通信中很可能成為一種主要的調制方式。
  20. Orthogonal frequency division multiplexing ( ofdm ) has been widely used in many systems such as digital audio broadcasting system ( dab ), digital video broadcasting system ( dvb ), high definition tv ( hdtv ) and wireless local network. ofdm will be critical technique in broadband wireless mobile communication system in future

    正交頻分復用（ ofdm ）技術已經被廣泛應用於數字音頻廣播、數字視頻廣播、高清晰度電視、無線局域網等系統中，在未來的寬帶無線移動通信系統中， ofdm也將是一項必不可少的技術。
分享友人
分享到 Line

分享到臉書