wireless data communication 中文意思是什麼

wireless data communication 解釋
項目包含無線數據傳輸
  • wireless : adj 無線的；無線電報的，無線電的；無線電話的。 a wireless enthusiast [fan] 無線電迷。 a wireless ...
  • data : n 1 資料，材料〈此詞系 datum 的復數。但 datum 罕用，一般即以 data 作為集合詞，在口語中往往用單數...
  • communication : n. 1. 通訊，通知；交換；信息；書信，口信，通報。2. 傳達，傳授；傳播；傳染。3. 交通，交通機關；聯系，連絡（設備）。4. 【宗教】接受聖餐。
  1. Miniature wireless data communication system for micro air vehicles

    微型飛行器的微型無線數據傳輸系統
  2. In the 21st universiade, beijing telecom, as the only appointed sponsor for data communication and wire communication, provided wide bandwidth wlan wireless internet service

    作為"數據通信與有線通信唯一指定贊助商" ，在世界21屆大運會期間，北京通信為記者和大運會工作人員提供了wlan寬帶無線上網服務，其示意圖見圖1 。
  3. A study on hardware truss of distributed mine gas monitoring system based on wireless data transmitter - receiver and fiber communication technology

    基於無線數傳電臺的分散式煤礦瓦斯監測系統硬體架構的研究
  4. Wireless induction communication method is based on electromagnetic induction principle, using the electromagnetic coupling to transmit data between the train and ground. this communication system can cover a long rail and it is easy to maintain and fix

    無線感應通信是基於電磁感應原理，利用電磁耦合完成車輛與地面雙向數據傳輸的一種通信方式，具有傳輸損耗小、覆蓋線路長、架設方便、易於維護等優點。
  5. A survey of wireless infrared data communication

    近距離紅外無線數據通信技術研究
  6. Equipped with around 10, 000 mobile end - user devices, including portable radios and mobile data terminals, cciii places a heavy accent on a territory - wide wireless data communication network

    Cciii配備大約10 ， 000部流動終端用戶器材，包括手提無線電通訊機和流動數據終端機，因此必須配合一個覆蓋全港的無線數據通訊網路。
  7. Ics also provides a reliable and secure wireless data communication platform for two important mobile it systems : avls gis and mcs. tracking police vehicles with gps

    綜合通訊系統亦為自動車輛顯示位置及地域資訊系統和流動電腦通訊系統，提供可靠安全的無線數據通訊平臺。
  8. Then, the general composition and operation of the system is explained. a wireless remote measuring and remote control system includes for subsystems, which are central supervision station subsystem, wireless data communication subsystem, remote measuring subsystem and remote control subsystem

    然後論述了無線實時遙測遙控系統的一般組成（主控站子系統、無線通信子系統、遙測終端子系統和遙控終端子系統） 、工作原理以及系統的總體設計。
  9. In the third chapter, a new wireless data communication subsystem is designed, and it achieves higher speed than other ones. in the fourth chapter, the writer designed a new kind of remote measuring subsystem that consumes much lower power. in the fifth chapter, the engineering design of remote control subsystem is finished, and the reliability and security of the system is settled

    第三章論述了有關無線通信子系統設計的各個方面，突出解決了無線數據傳輸的速度問題；在第四章里設計了遙測終端子系統的軟硬體，較好地解決了降低功耗的問題；第五章從通用性的角度上，完成了遙控終端工程設計的主要任務以及控制軟體的設計，重點解決了系統的可靠性及安全性問題。
  10. Dmh wireless radio telecommunication intersystem non - signaling data communication dmh data message handler

    無線電遠程通信系統間無信令數據通信數據報文處理程序
  11. At the meanwhile, the regeneration of wireless communication and wireless networking technology is more and more frequent, it seems as the bottleneck on wireless data transfer will be taken off in the near future

    與此同時，無線傳輸技術的更新換代和無線網際網路技術的不斷發展，預示著無線網路的數據傳輸的瓶頸正在被逐步的消失。
  12. Equipped with around 10 000 mobile end - user devices, including portable radios and mobile data terminals, cciii places a heavy accent on a territory - wide wireless data communication network. reporting online

    Cciii配備約10000部流動終端用戶器材，包括手提無線電話通訊機和流動數據終端用戶器材，並由一個覆蓋全港的無線電數據通訊網路加以支援。
  13. First analysing the merits and shortcomings of the wireless data communication system based on gsm and the wire data communication system based on pstn from the three aspects of the economy, terminal motility and real - time, then putting forward the subject through measuring and comparing the three factors mentioned above

    從經濟性、終端移動性、實時性三方面分析了當前基於gsm的無線數據通信系統和基於pstn的有線數據通信系統的優缺點，權衡三方面而提出了本課題。
  14. The writer synthesize the technology of computer, wireless data communication, automatic control, ect., based in the cosideration of update communication technology according with the traditional industrial, implement a data transmission channel using gsm short message platform, which can meet the requirements of monitoring, dispersing and non - watching of the monitoring collection points, it is also a monitoring collection system with the features of wide covering by net, non - schedueld and unfixed monitoring, and it has the strong points of low investment and low management cost as well. this system has advantages compared with other systems that should meet the requirements as dispered locations of monitoring collection, wide covering, unfixing monitoring, non - strict demand for real - time

    基於將最新通訊技術融合到傳統產業中的考慮，綜合計算機、無線數據通訊、自動化控制等技術，作者成功實現了以gsm短消息平臺作為一種數據傳輸通道，適合監控採集點移動、分散、無人值守，具有網路覆蓋面大、可不定時動態監控特點的無線監控與數據採集系統，該系統具有用戶投資小、運營費用少的優點，對于解決監控採集點分散、覆蓋面廣、監控點移動、實時性要求較低的監控與數據採集任務具有無可比擬的優勢。
  15. Contributions in this paper mainly sh ow four points : 1 the structure characteristic of the received ds - cdma signal is analyzed in the presence of multi - path slow fading effect case for wireless mobile communication. according to this characteristic, four data - selected schemes based on chip - matched filter are presented from the perspective of energy and structure of signal. and the impact of these schemes on multiple - access interference ( mai ) and inter - symbol interference ( isi ) is analyzed

    本文的主要貢獻在於四個方面： 1 、針對無線移動通信系統中廣泛存在多徑慢衰落效應的情況，分析了ds - cdma系統中接收信號本身的結構特徵，根據這個特徵，在匹配濾波的基礎上，從能量與信號結構的角度提出了四種不同的數據採用方案，並分析了不同數據方案對多址干擾與碼間干擾的影響。
  16. With the rapid development of wireless communication technology and computer technology ， people wish to get reliable data communication service any time and any where. traditional network can not supply communication service if the whole network need to move because the network devices are fixed by wires and can not move. so, ad hoc network comes. it can provide mobile data communication service compared with traditional network. ad hoc is a network with plat structure and all the nodes is equal. all the nodes need provide relay. but not all the nodes will provide relay and the performance of plat structure is poor in large scale. so the wireless mobile self - organized network adopts a two - level structure by referencing the cell mobile communication system. wmsn uses wireless routers to construct network. it can provide wireless access, relay services to users

    考慮到不是所有的站點都願意提供中繼服務及平面結構的局限性（在網路規模較大時性能會很差） ，本課題的無線移動自組織網路參考了蜂窩移動通信系統的特點，是一種具有兩級結構的網路。使用專門的無線設備? ? 「無線路由器」構成具有用戶無線接入、無線組網和路由功能的無線互連網路，為移動用戶提供無線接入、路由和中繼服務。 ieee802 . 11b可以提供很高的通信速率，可以提供很好的接入性能，並且支持ieee802 . 11b協議的設備正成普及的態勢，因此成為我們所選擇的鏈路層協議。
  17. In mobile communication and high - speed wireless digital communication, multi - path, the finity of channel bandwidth and faultiness of the channel, lead to the bringing of intersymbol interference ( isi ) when data transfer. this is an important factor that degrades the performance of communication. however channel equalization technique can eliminate the isi and noise, it can also reduces the bit error ratio

    在移動通信及高速無線數據通信中，多徑效應和通道帶寬的有限性以及通道特性的不完善性導致數據傳輸時不可避免地產生碼間干擾（ isi ） ，成為影響通信質量的重要因素，而通道的均衡技術可以消除碼間干擾和噪聲，並減少誤碼率。
  18. Generally speaking, information appliances have exceeded the traditional electrical home appliances concept, including all the information processing equipments that can exchange the information through the network system, such as home pc, roof box, hpc, dvd, wireless data communication equipments ( dce ), palmtop computers, pda, video game equipments, webtv, etc. they are the combination of 3cs ( computer, communication and consumer electronics )

    廣義來說，信息電器已突破傳統家電概念，包括家用pc 、機頂盒、 hpc 、 dvd 、無線數據通信設備、掌上電腦、 pda 、視頻游戲設備、 webtv等所有能通過網路系統交換信息的信息處理設備。它也是3c （ computer 、 communication 、 consumerelectronics ）合一的產物。
  19. Ofdm ( orthogonal frequency division multiplexing ) is a multi - carrier data modulation technology. though the conception of ofdm was brought forward many years ago, it is only in recent years that people recognize it as an excellent way of high speed, bidirectional, wireless data communication

    正交頻分復用（ ofdm ）技術是一種多載波數據調制技術，雖然ofdm的概念已經存在了很長時間，但是直到最近隨著多媒體業務的發展，它才被人們認識到是一種高速雙向無線數據通信的良好方法。
  20. Recently spread spectrum technique has been used widely in wireless data communication, cellular mobile communication, military communication and telemetry monitor system with resistance to interference, high usage of spectrum, resistance to multi - path fading, so investigators in communications field pay more attention to the technique, especially direct sequence spread spectrum ( dsss ) technique

    近年來，擴頻技術以其抗干擾能力強、頻譜利用率高、抗多徑等優越性能在無線數據通信、蜂窩移動通信、軍事通信以及遙測監控系統中獲得了廣泛的應用，並日益受到通信領域研究人員的重視，特別是直接序列擴頻技術（ dsss ） 。
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