第三線干擾 的英文怎麼說

中文拼音 [dìsānxiàngānrǎo]
第三線干擾 英文
tertiary interference
  • 第 : Ⅰ助詞（用在整數的數詞前 表示次序） auxiliary word for ordinal numbers Ⅱ名詞1 [書面語] （科第） gr...
  • 三 : Ⅰ數詞1. （二加一后所得） three 2. （表示多數或多次） more than two; several; many Ⅱ名詞（姓氏） a surname
  • 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...
  • 干 : 干Ⅰ名詞1 （事物的主體或 重要部分） trunk; main part 2 （幹部的簡稱） short for cadre Ⅱ動詞1 （做...
  • 擾 : Ⅰ動詞1 （擾亂; 攪擾） harass; trouble 2 （客套話 因受人款待而表示客氣） trespass on sb s hospital...
  1. Developments of new, high speed plc systems ( bpl, broadband power line ) and some other network access and in - home technologies will also be discussed with technical and legal constraints, mainly concerning unwanted interference with existing services

    第三部分：從技術和法規約束問題角度，討論新的高速plc系統（ bpl ，寬帶電力線）和其它網路通道和入戶技術發展狀況，主要針對現有服務中的有害干擾展開。
  2. For implement of wide band modulation, multi - carries and elimination of adjacent channel interference to satisfy ber requirement in wcdma system, which is most popular in 3g technology, the linearity requirement of the base station power amplifier becomes tighter

    以wcdma為代表的第三代移動通信技術，為實現寬帶調制、多載波應用，同時減小鄰通道干擾以滿足通信系統的誤碼率要求，對基站發射機功放的線性指標要求苛刻。
  3. Simulation results show that abf - csma / ca protocol can realize space - division - multiple - access ( sdma ) and provide very high channel utilization. chapter 3 considers employing smart antennas in the central access point ( cap ) of wireless internet access networks

    第三章研究了智能天線在internet無線接入網路中的應用，主要考慮使用智能天線對抗同通道干擾與多徑衰落，增加覆蓋范圍，並在mac層實現智能天線與網路的有機結合。
  4. Smart antenna may reduce coggege of electronic engineering of uestc, the cochannel interferences ( cci ), enhance the user capacity and spectrum efficiency, reduces the transmit power and electromagnetic interferences, enhance the transmit efficiency, dynamically divide cells in third generation cellular

    智能天線技術應用於第三代移動通信系統中具有可以減小因頻率復用造成的共通道干擾（ cci ） 、提高頻譜利用效率及增大系統容量、減小發射功率和空間電磁干擾、增加發射效率、對小區進行動態劃分等優點。
  5. Thirdly, the dissertation presents an anti - interference technology of adaptive array for non - spread spectrum signal using a pilot signal, by which a non - spread spectrum system can use the decoupled 2 - d rake receiver and the original non - spread spectrum system need not be modified

    第三，提出了採用擴頻信號作為導引信號的非擴頻信號自適應陣列天線抗干擾方法。該方法使得非擴頻系統可以採用解耦合空時2 - drake接收機，而且不改變原非擴頻系統。
  6. The emc problem of broadband wireless access base station and intersystem frequency interference of 3g communication systems are very important. for these problems, the researches are as follows : firstly, the emc problem of broadband wireless access system was discussed, and the structure and consisting characteristic for different broadband wireless access systems were analyzed. three emc characteristics are summarized as follows : 1

    其中，寬帶無線接入基站的電磁兼容（ emc ）問題以及3g通信系統中的系統間的頻率干擾問題尤為突出，本文針對這些問題進行了下列研究:第一，綜合討論了寬帶無線接入系統的電磁兼容問題，分析了各種寬帶無線接入系統的結構和組成特點，總結了寬帶無線接入系統的三大emc特點: 1 .雷電電磁脈沖（ lemp ）對基站的干擾; 2 .信息設備的寬頻帶輻射干擾; 3 . 3g通信系統中的系統間頻率干擾。
  7. In chapter 3, based on the idea of joint equalization, we adopt the decision feedback equalizers to perform the second equalization to overcome the problem of filterbank precoders - linear equalizers joint optimization proposed recently, and get a new optimal result

    在第三章中，基於聯合均衡的思想，針對國際上最新提出的濾波器組預編碼-線性均衡最優設計中存在的問題，文章提出了採用判決反饋均衡器完成二次摘要均衡，以消除殘留的塊間干擾，得到了新的最優設計結果。
  8. It has been widely applied in personal communications, mobile communications and the field of broad band wireless access, and it has also been regarded as the main air access of the third generation mobile communications, because comparing with tdma and fdma, cdma has greater system capacity, higher frequency efficiency and stronger anti - interference ability, at the same time it still has the potential of solving the conflict of limited frequency resource and limitless user request

    相對于tdma ， fdma等多址技術而言，它具有系統容量大，頻帶利用率高，抗干擾能力強，保密性能好等優越性，同時還具有緩解有限頻帶與無線用戶需求之間矛盾的潛力，因而在個人通信，移動通信，寬帶無限接入領域都得到了廣泛的應用，也被普遍認為是未來第三代移動通信的主流空中介面技術。
  9. Because of the affection of noise and signal fading, in order to high data rate access and high quality, wireless communication need new technology to improve the link reliability and enhance the spectrum efficiency. mimo ( multiple input and multiple output ) can enhance the spectrum efficiency and increase channel capacity greatly, and reduce the multipath affection without spectrum band and power increasing. the 3th generation mobile communication wcdma is coming, with the purpose of putting mimo, stbc ( space time block coding ), space diversity into practice of wcdma systems, in order to lay the foundation of 3g toward 4g, this dissertation has done some research under this background

    在發射機和接收機使用多個天線進行數據傳輸的多輸入多輸出（ mimo ）技術，可以在不增加帶寬和天線發送功率的條件下，成倍的提高頻譜利用率，提高系統的通道容量，還可以抗多徑干擾。第三代移動通信wcdma即將到來，為了將多天線技術（ mimo ） ，空間分集技術，空時編碼技術用到wcdma系統中去，為第三代移動通信向第四代移動通信系統平穩過渡奠定一定的基礎，需要做一些理論上的研究。
  10. Future wireless communication systems trend to provide multi - services to mobile users. cdma technique is adopted by the 3rd generation mobile communication systems due to its flexibility in supporting multi - services. how to keep qos of heterogeneous services and utilize the scarce radio spectrum resources is challenging for 3rd generation mobile communication systems in this thesis we developed a radio resource allocation framework for wireless code division access ( cdma ) networks that support multi - class traffic with different data rates and bit error rate requirements. we proposed a new resource allocation scheme using joint adaptive power control and mmse multiuser receiver in multipath fading system

    為移動用戶提供多種業務服務是未來無線通信網路的主要發展方向。由於cdma技術具有靈活支持多種業務的優點，因而被第三代移動通信系統所采納。如何在惡劣的無線傳播環境里以及用戶運動且相互干擾的情況下為為各類業務提供qos保證，同時充分利用珍貴的無線頻譜資源，是基於cdma技術的第三代蜂窩通信系統必須致力解決的問題。
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