無線接取 的英文怎麼說

中文拼音 [wúxiànjiēqǔ]
無線接取 英文
radio access
  • 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...
  • 接 : Ⅰ動詞1 （靠近;接觸） come into contact with; come close to 2 （連接; 使連接） connect; join; put ...
  • 取 : Ⅰ動詞1 （拿到身邊） take; get; fetch 2 （得到; 招致） aim at; seek 3 （採取; 選取） adopt; assume...
  • 無線 : wireless無線電報 wireless telegram; radiotelegram; 無線話筒 radio microphone ; 無線裝訂 unsewn binding
  • 接取 : bwa
  1. To achieve the target spectral efficiency and throughput of e - utra, several proposals have discussed and concluded on the need for multiple antenna systems

    為達到進階通用無線接取之預期中的頻譜效益及傳輸能力，已有相當多的提案針對多重天線系統中的需求考量進行討論並做出結論。
  2. The if digital receiver based on software radio technology adopts the structure of fpga plus dsp, which is more powerful than other systems in signal processing, and is able to complete iq demodulation accurately and acquire characteristic of the signal. the following four aspects is included :

    該中頻數字接收機以軟體無線電思想為核心，採用dsp + fpga的硬體結構，在信號處理能力方面比以往的系統有了很大的提高，能夠精確的完成信號正交解調和抽取濾波和特徵信息的提取。
  3. First, how to conduct sample and quantification of continuous time signal which is prior condition of sdr is explored in detail, and the comparison and analysis of some sample modes are given in which band pass signal sampling theorem is most important. second, multi - sample rate signal processing which is an important basis of sdr is studied. emphasis are put on decimation and interpolation those are the most fundamental process and the realization of decimation and interpolation filter

    在基於中頻采樣的軟體無線電結構框架下，首先詳細探討了軟體無線電的前提條件，即如何對連續時間信號進行采樣量化，比較分析了幾種采樣的方式，其中最為重要的是帶通信號采樣定理；然後探討了軟體無線電的一個重要基礎，即多采樣率信號處理，重點討論其最基本的兩個過程抽取和內插以及抽取器和內插器的實現；接著介紹了結構簡單、適用於一級抽取的cic濾波器和適用於做2倍抽取的半帶濾波器；再次論文在總結了傳統的調制解調基礎上，結合軟體無線電器件的特點，系統的探討並實現了基於正交思想的am 、 fm 、 ask 、 fsk 、 bpsk 、 qpsk的正交調制解調演算法。
  4. Because of the unique issues in the networks, including mobility - induced disconnection, network partition, high out - of - order delivery ratios and channel errors, the congestion control and the error recovery in the network is challenging. in this environment, the interaction between tcp and mac layer protocols, the affection of route protocols on the performance of tcp and the particular congestion control and error recovery mechanism are first discussed. then a particular transport layer protocol scheme based on the non - feedback mechanism is presented, with emphasis on the analysis and simulation of the key parameter

    文中主要討論了兩種不同網路結構中的無線tcp協議改進方案，其一在最後一跳為無線鏈路的網路環境中，針對基本tcp擁塞控制機制存在的缺陷，文中在現有解決方案的基礎上提出一綜合性的方案，其中包括無線鏈路的高誤碼率和連接斷開問題的解決，並重點對方案中出現的交叉層問題進行分析和模擬；其二，考慮的是分散式網路（ adhoc ） ，在文中較為詳細的分析了tcp和mac層機制間的相互作用、路由協議中造成tcp性能降低的因素、 adhoc網路中應採取的特殊擁塞控制和差錯恢復機制，在此基礎上提出了一種採用非反饋機制的解決方案，重點對方案中的關鍵參數進行分析和模擬，分析和模擬結果表明此機制可在很大程度上提高adhoc網路中tcp的性能。
  5. All the old manuvres that had invariably been crowned with success : the concentration of the battery on one point, and the advance of the reserves to break the line, and the cavalry attack of men of iron, all these resources had been employed ; and far from victory being secure, from all sides the same tidings kept pouring in of killed or wounded generals, of reinforcements needed, of the troops being in disorder, and the russians impossible to move

    仍然是以前那些準保成功的方法：炮火集中一點轟擊，后備軍沖鋒以突破防線，接著是des hommes de fer騎兵突擊，所有這些方法都用過了，但不僅沒取得勝利，且到處都傳來同樣的消息：將軍們傷亡，必須增援，無法打退俄國人，自己的軍隊陷入混亂之中。
  6. It has barged up against questions in lanzhou telecom ' s phs operation, for example, succeed rate of calling, wanting variety of mobile telephone, slowness in expansion of new operation, falling of the brand ' s name, lowering of predominance in price, need of regulating channels, increasing of cost in sell, falling of amount in increasing new users, etc. to aim at these questions and lanzhou telecom ' s fact, the paper suggested the tactics of mode in management, product management, price, channels, sales promotion of phs operation

    在蘭州電信無線市話業務取得快速發展的同時，遇到了網路接通率低、手機品種不夠豐富、新業務進展緩慢、品牌美譽度降低、價格優勢減弱、銷售渠道有待整合，以及銷售成本增加而銷售量大幅降低等問題。針對無線市話業務發展中存在的問題，結合蘭州電信企業實際情況，提出了無線市話業務發展在經營模式、市場細分、產品管理、價格制定、渠道整合、促銷方式等方面的策略建議。
  7. We use equipment covered with dgt approval stickers. we have passed all kinds of their radio licence examinations. we receive and do not transmit, hence no interference

    我們採用貼滿交通部電信總局核準貼子之臺掃:器材，亦考取其各式各樣無線電人員執照。僅接收，未發射，即無干擾。
  8. The underwater - radio buoy for use as obtaining the ocean " s acoustical parameters is a underwater acoustic signals record system which has long distance radio remote control and data transmit function. the technology key of the dissertation study is that under the requirements of the system the monitor and record equipment on the acoustic source vessel, the monitor and record equipment on control vessel command and control the work slate of the buoy system by radio data transmitting mode of short wave transmitter - receiver

    海洋環境參數獲取浮標監測系統屬于具有長距離無線電遙控?數傳功能的水下聲信號接收記錄系統，本論文研究目標的技術關鍵在於根據系統要求，指揮船和發射船監控記錄設備通過短波電臺以無線數傳方式，對浮標系統的工作狀態進行指揮和控制，浮標則通過同一短波通道向指揮船上報浮標方位、工作狀態、關鍵數據及非常狀態下的報警信號等。
  9. Mobile computing refers to the use of mobile devices to access information through wired or wireless connection anywhere

    流動資訊處理泛指透過流動通訊器材，在任何地點，透過有線或無線的接駁方式以取得資訊。
  10. Bluetooth is a technology developed for short - range wireless communication by bluetooth special interest group ( sig ). the purpose of bluetooth technology is to replace the cable and connect various devices such as cell phone, pc and pda together by electromagnetic wave

    藍牙是由藍牙特別興趣小組（ sig ）制定的短距離無線通信技術，其最初的主要目的是取代電纜，用電磁波來實現手機、 pc和手持終端等各種設備間的連接。
  11. Consumer electronics makers for years have promised to give consumers better access to movies, pictures, music and other media stored on their computers through wired and wireless links to other devices, but offerings so far largely have been complicated or limited in scope

    多年來，消費電子廠商承諾幫助消費者通過與其他設備之間的有線或者無線連接更好地讀取電影、圖片、音樂以及其他存儲在電腦當中的多媒體內容，但到目前為止，提供的產品或過于復雜或受到距離限制。
  12. Secondly, this paper analyses data - delivering method, data - transmitting format and fault - control technology, studies and picks out direct sequence spread spectrum, accessing point network topology and the ieee802. 11b network rule, on the basis of which the harbor wireless communication system model is established. each composing part of the system ' s model is given out. the choice of hardware equipments and the design of communication software are expounded

    其次，本文對通信技術中的數據傳送方式、數據傳輸形式和差錯控制技術進行了分析，研究了港口無線通信系統中的傳輸方式、拓撲結構和網路標準等關鍵技術，選取直序擴頻傳輸方式、接入型拓撲結構和ieee802 . 11b網路標準作為港口無線通信系統的技術基礎，建立了港口無線通信系統模型，闡述了該模型的實現方法，包括硬體設備選擇和通信軟體設計。
  13. Along with the technology mature in the soft switching and media gateway, the narrow band access equipment will be integrated the function of media gateway. users may access directly to the broadband ip man through twisted cabling or wireless base station. dial - up server will also be replaced by the media gateway, narrow band dial - up users will be diverted to broadband ip man at the access network

    隨著軟交換和媒體網關技術的成熟，在窄帶接入層設備上將綜合媒體網關的功能，用戶通過雙絞線或無線基站接入后，可以通過媒體網關直接接入寬帶ip城域網，撥號服務器也將大量被媒體網關取代，窄帶用戶撥號上網將在接入網被分流至寬帶ip城域網。
  14. Suborninate node complete picking up equipment fault information and making machine learning arithmitics, and transmitting equipment condition information operated to principal node or the other subordinate node by the way of wireless data transmitting device, at the same time, it can receive the information of optimized model arithmetic and equipment condition parameter from principal node

    從節點內完成設備故障信息的提取和機器學習演算法，並將運算后的設備狀態信息通過無線數據傳裝置傳送到主節點或其它從節點，同時也可以接受來自主節點的優化建模演算法和設備狀態參數設置等信息。
  15. One important feature of radio signals ’ is that the signals are easy to catch and to disturb. in order to disturb the radio signals, parameters, including code rate, modulation, protocol, protection methods and channel coding, about satellite ’ s signals should be known. so, it is possible to receive the data from satellites and obtain lots of information from it, and even to destroy the undesired information

    衛星通信系統的遙控遙測信息都是通過無線通道傳遞，而無線電信號的一個很重要的特性就是發射易被接收、易被干擾，實現干擾的前提是對衛星信號參數的極大了解，這包括明確信號的碼速率、調制方式、所用協議、保密措施及通道編碼等，因此，通過接收衛星數據以獲取大量的未知信息，甚至破壞掉對己的不利信息就成為可能。
  16. The basic characteristics, framework, principles of dominant parts and application of those are studied and illustrated. at the last chapter, by devising a short - wave radio station aforementioned fundamental theories are put into practice especially digital modulation, demodulation, ddc and dug etc. the implement framework and design method of sdr are discussed by data transmission of voice including dug modulation in transmit module and ddc demodulation in receive module. moreover, satisfied results are obtained by validation on the sb3410 platform in bluewave system

    針對論文設計中用到的兩個比較重要的器件hsp50214b下變頻器和hsp50215上變頻器，作了較為深入的研究並給出了詳細的描述，包括基本特徵、框架結構、各主要部分原理及在設計中的應用；在最後一章，通過設計一個短波無線電臺，將前面的基礎理論尤其是數字調制、解調及數字上、下變頻等應用於實踐中，通過實例討論話音數據傳輸的軟體無線電實現結構及設計方法，包括發射模塊中的上變頻調制和接收模塊中下變頻解調等，並在bluewave系統的sb3410平臺上運行驗證，取得了較為滿意的結果。
  17. An idc study showed that 10 million access lines were substituted by wireless ones as of the end of 2001. wireless access lines were used mainly by consumers when installing the second access lines in their homes

    據idc研究表明，截止2001年年底， 1000萬接入線路被無線所取代，主要是消費者在家庭安裝第二根接入線路時選擇了無線業務。
  18. In 2002, more and more wireline service will be substituted. by the year 2005, 10 million more access lines will be substituted. such a change will bring enormous market opportunity to wireless operators and serious threats to wireline operators

    到2002年，越來越多的有線服務被取代，到2005年將又有1000萬的接入線路被無線所取代，這種轉變對無線運營商來說意味著很大的市場機會，對有線運營商來說也是一個很大的威脅。
  19. Multi - input multi - output ( mimo ) is expected to be an important component of long term evolution ( lte ) of 3g systems particularly for the downlink evolved universal terrestrial radio access ( e - utra )

    摘要多輸入多輸出技術被預期是在第三代通訊系統長程發展下用於下鏈高級通用無線接取中一個非常重要的構成要素之一。
  20. With the statistical study and analysis of the current model of 10mw base station on whole wireless network of xi " an personal access system, some aspects of processing, wireless side enlang have been calculated. calling lose and phone mode of users decided, and hot saying distributing discussed. based on the mentioned facts and considering the ratio of certain base stations, emphasis is especially placed on figuring out the needed amount of 500mw based stations when services for 250 thousands users are presented. furthermore, the 500mw base stations for 400 thousands scenario users have been obligated and calculated, and the base station controller has been reckoned respectively

    本文通過對「西安固定無線接入系統（即pas系統） 」現有10mw基站組網全網無線側話務模型的統計、分析，計算出無線側總的話務量，取定一定的呼損率及用戶話務模型，考慮到無線側熱點話務分佈情況，按照一定的基站組控比例關系，計算出當前25萬用戶時所需要的500mw基站數量；再按照最終40萬用戶的比例關系並給出一定的預留，計算出40萬用戶時所需要的500mw基站數量，同時根據基站數量再推算出所需要基站控制器的數量。
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