wireless mobile communication造句
例句與造句
- Call admission control in wireless mobile communication systems
無線移動互聯(lián)系統(tǒng)設計與實現(xiàn) - Wireless mobile communication
無線移動通信 - This language uses the wireless mobile communication system as transitional intermidium to identify , pick up and receive gps information . 3
該程序以無線移動通信系統(tǒng)為傳輸媒介，實現(xiàn)了gps定位信息的識別、提取和收發(fā)。 - Finally , this chapter gives a brief introduction of the design of the hardware platform for the long distance wireless mobile communication system as well as the data transmission flaw
最后對我們所要實現(xiàn)的無線遠距離移動通信系統(tǒng)的硬件平臺的設計以及在系統(tǒng)中的數(shù)據(jù)傳輸流程進行了簡要的介紹。 - Microstrip structures have been widely used , the microstrip antennas and mmic in wireless mobile communication and phased radar are becoming a active research
分層微帶結(jié)構(gòu)已得到了非常廣泛的應用，在無線移動通信和相控陣雷達中應用的微帶天線和單片微波集成電路mmic正在成為一個研究和開發(fā)的熱點課題。 - It's difficult to find wireless mobile communication in a sentence. 用wireless mobile communication造句挺難的
- Chapter two gives a study on the characteristics of the wireless mobile communication channel . several models are compared under simulations and one model is selected as the base of following discussion
在進行了理論分析之后，本文對多種信道仿真模型展開了討論，并基于仿真結(jié)果選擇了相應的參考模型與仿真手段，所建立的信道模型是后面幾章工作的基礎。 - Recently , the need of high - speed data transmission and multimedia services make multiple - input multiple - output ( mimo ) technique and orthogonal frequency division multiplexing ( ofdm ) become hotspot in the field of wireless mobile communication
近年來,隨著人們對高速數(shù)據(jù)傳輸和多媒體業(yè)務需求的不斷增長,多入多出( mimo )和正交頻分復用( ofdm )技術(shù)已成為無線移動通信領域的研究熱點。 - Comprehensive online status monitoring is crucial to the development of the commercial and personal communication software next generation . it s also very important for commercial applications such as online meeting , wireless mobile communications and collaboration
全局的在線狀態(tài)檢測對開發(fā)下一代商用和個人通信是非常關(guān)鍵的，也是如在線會議無線移動服務及協(xié)同工作等商業(yè)應用的非常重要的組成部分。 - In the thesis , detailed design architecture is given , together with a comparison among the different algorithms . a final solution in favor to the long distance wireless mobile communication system is suggested after an overall consideration of both performance and cost
文中給出了具體的設計方法，和各種算法的比較分析，并綜合性能和成本的考慮，從中選擇出了適合于本文所討論的無線遠距離移動通信系統(tǒng)的設計方案。 - The smart antenna , which is adapted in the wireless mobile communication system , in fact , forms an antenna with a high gain . thus communication in all directions can be proceeded , then base station antenna coverage , system capacity and service quality are improved , also inter - symbol interferes and multi - access interfere are reduced . the space division multiple access ( sdma ) is introduced , and users can be distinct from each other through their special location
在無線移動通信系統(tǒng)中采用智能天線技術(shù)，實際上是通過數(shù)字信號處理，使天線陣為每個用戶自適應地進行波束賦形，相當于為每個用戶形成了一個可跟蹤它的高增益天線，從而即可以進行全方位通信，也可以用較小的發(fā)射功率覆蓋相同的范圍以及提高系統(tǒng)容量和業(yè)務質(zhì)量、降低用戶間的碼間干擾和多址干擾。 - Mobile internet was born as a result of the progress and access oi " mobile communication and internet . lt is the demand of mobi ' e communication adapted to the application of data communication and also the demand of internet wants to be mobile . on the basis of the demand analysis of wireless mobile communication . the paper researched the system of short message service ( sms ) w ' lich now has applied widely
移動通信和因特網(wǎng)的迅猛發(fā)展和相互融合誕生了一個嶄新的領域? ?移動互聯(lián)網(wǎng)。這是移動通信適應數(shù)拋業(yè)務發(fā)展的新動向，也是internet要“動”起來的要求。論文在對無線移動數(shù)據(jù)通信發(fā)展需求分析的基礎上，就當前應用最火熱的短消息系統(tǒng)進行了深入的研究。 - 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(shù)已經(jīng)被廣泛應用于數(shù)字音頻廣播、數(shù)字視頻廣播、高清晰度電視、無線局域網(wǎng)等系統(tǒng)中，在未來的寬帶無線移動通信系統(tǒng)中， ofdm也將是一項必不可少的技術(shù)。 - 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
本文的主要貢獻在于四個方面： 1 、針對無線移動通信系統(tǒng)中廣泛存在多徑慢衰落效應的情況，分析了ds - cdma系統(tǒng)中接收信號本身的結(jié)構(gòu)特征，根據(jù)這個特征，在匹配濾波的基礎上，從能量與信號結(jié)構(gòu)的角度提出了四種不同的數(shù)據(jù)采用方案，并分析了不同數(shù)據(jù)方案對多址干擾與碼間干擾的影響。 - The future wireless mobile communication systems are expected to provide ubiquitous , high - quality , and high - rate mobile multimedia transmission . however , hostile multipath fading radio conditions give rise to serious inter - symbol interference ( isi ) ; even worse , wireless channel are often time varying , which makes the system more vulnerable and more difficult to track the channel state . orthogonal frequency dvision multiplexing ( ofdm ) , which is inherently resistant against isi , has invoked a popular research interest in recent years , and has been a promising candidate technology of the physical layer for future weideband high - date - rate wireless communications . notwithstanding , ofdm is much more vulnerable to errors of both time and frequency synchronization and to that of channel estimation , and how to obtain correct timing and channel estimation efficiently is highly critical to ofdm systems . the dissertation will focus on both of the aspects of ofdm systems mentioned above
但是無線環(huán)境的多徑特性造成通信系統(tǒng)中嚴重的符號間干擾,同時無線信道的時變性使得信道特性跟蹤復雜。而正交頻分復用技術(shù)( orthogonalfrequencydivisionmultiplexing , ofdm )正是一種解決符號間干擾的有效傳輸手段,因此ofdm技術(shù)作為未來寬帶高速率無線通信的物理層候選技術(shù)在當前引起了一股研究熱潮。但ofdm系統(tǒng)對定時同步誤差和信道估計誤差非常敏感,如何在ofdm系統(tǒng)中準確快速地實現(xiàn)符號同步和信道估計是至關(guān)重要的,本論文將重點針對這兩個問題進行討論。 - While distributed computing technology , gis ( geographic information system ) , wireless mobile communication technology , gps ( global position system ) and mobile computing technology are being improved promptly , distributed mobile gis , dmgis , presented as a new theory , is under popular discussion now
隨著分布式技術(shù)、地理信息技術(shù)、無線移動通信技術(shù)、移動計算技術(shù)、全球定位技術(shù)( gps ， globalpositionsystem )的發(fā)展，分布式移動地理信息系統(tǒng)( distributedmobilegeographicinformationsystem ， dmgis )作為一個新的概念被提出。
更多例句： 下一頁