arq 中文意思是什麼

arq 解釋
反饋重傳
  1. It is composed of three mian protocols : call synchronization protocol, control frame transmission protocol based on arq mechanism and data transmisstion protocol based on slot precontract mechanism. one scan channel table is shared in the hfmanet. the nodes in the same dwell group work in the same scan channel, and the nodes in the different dwell group work in the different scan channel

    該協議的網路拓撲結構採用分散式分群結構，協議不同於傳統的短波點到點及需要中心節點轉發的組網方式，而是初步實現了短波電臺之間多跳組網功能，其協議內容主要包括同步呼叫協議、基於arq的控制幀傳輸協議和基於虛電路及時隙預約方式的數據幀傳輸協議。
  2. A new h - arq scheme that uses progressively decodable serially concatenated codes for retransmission is proposed with its design guidelines. theoretical bounds on total number of transmitted bits and throughput performance are derived. finally, the simulation results are given

    提出了基於累進可譯串列級連碼的h - arq體制，論述了其設計原則，推導了重傳比特數和通過率的理論限，給出了性能模擬結果。
  3. Arq automatic error request equipement

    自動誤差校正裝置
  4. Firstly, a syndrome - based type - i nonbinary hybrid arq ( harq ) is proposed, which makes full use of the powerful error - detection and - correction capacity of reed - solomon ( rs ) codes, and can be combined with the existing rs decoder easily

    首先，提出了基於校正子（ syndrome ）的第一類多進制harq ，它充分利用了reed - solonmon （ rs ）碼強大的糾錯和檢錯功能，並可直接結合到已有的rs譯碼器中。
  5. These are only intended for determining the reliability of the transmission, as if it was a pure arq scheme

    如果收端要求重傳，則發端再發送用於糾錯的校驗信息。
  6. High speed uplink packet access ( hsupa ) is a new work item of technical specification release 6 in 3gpp. wcdma system. the techniques of this work item, i. e. node b controlled scheduling, hybrid arq with chase combining, shorter tti, are to improve the performance of uplink dedicated transport channels, i. e. to increase capacity and throughput and reduce delay

    在hsupa中通過採用基站nodeb控制調度、結合了軟合併的混合自動重傳請求（ harq ） 、更短的傳輸時間間隔（ tti ）等關鍵技術，不但增強了系統容量與覆蓋還使用戶設備（ ue ）能獲得更大的上行吞吐、更小的傳輸延時。
  7. On construction of ldpc codes based on data puncturing hybrid arq

    方案的低密度奇偶校驗碼構造方法
  8. In the thesis, the following aspects are implemented. propose the research progress of h - arq and express the packet combing techniques in h - arq schemes

    論文主要完成了以下工作：給出了h - arq體制的研究進展，介紹了h - arq體制中用到的包組合技術。
  9. Automatic - repeat - request ( arq ), which helps transmit data at very low error rate, has been proposed to combat the bad channel

    自動請求重傳（ arq ）技術，特別是混合arq （ harq ） ，在提高傳輸的可靠性方面發揮了巨大的作用。
  10. In communication systems, there are mainly two methods for controlling transmission errors, one of which is forward - error - correction ( fec ) and the other is automatic - repeat - request ( arq )

    數據傳輸系統中有兩種技術被用來控制傳輸錯誤：即前向差錯控制技術（ fec ）和自動要求重傳技術（ arq ） 。
  11. A lot of arq schemes have come into being, and they have different characteristics in terms of com - plexity and throughput

    當前harq中存在的主要問題是復雜度過高，這對高速數據通信極為不利。
  12. This experiment adopts the theory of similarity as theory foundation, adopts arq number as criteria of similarity, designs and makes physical model according that geometric scale is, selects experiment instrument and setting

    標準機組段分層空調模型試驗以相似理論為理論基礎，採用熱量阿基米德數arq作為該試驗的相似準則。按照的幾何比例尺以及其他制約條件設計並製作其物理模型，同時完成測試儀器選配和測試輔助裝置的建立。
  13. Automatic repeat request arq

    自動請求重發
  14. Adopting archimedes number arq as similarity standard, the author determine every kind of similarity scale according to geometry scale 1 / 18 and other limit condition, at the same time, complete organization of model essence, simulation heat source system, design and arrangement of air supply and exhaust system according to every kind of similarity scale

    採用熱量阿基米德數arq作為相似準則，按照1 / 18的幾何比例尺以及其他制約條件確定各種相似比例尺。根據各種相似比例尺完成模型本體結構、模擬熱源系統及模型送排風系統的設計和配置。
  15. Arq automatic error request equipment

    自動誤差校正設備
  16. In order to improve the transmission reliability of data and image in 3g, the channel coding technology - harq combined by arq and fec is often adapted widely

    為了提高第三代移動通信中數據和圖像的傳輸可靠性，常採用arq和fec相結合的harq通道編碼技術。
  17. Arq selective repeat arq

    選擇重發
  18. Design of rate - compatible low - density parity - check codes for type - hybrid arq systems

    系統速率可變低密度校驗碼的設計與研究
  19. Arq ( auto repeat on request ) is used in data communication to garauntee error - free transmission, but it is not suitable for video communication because video communication has stringent delay requirement and limitless retransmission is not allowed

    傳統的數據通信通過出錯重傳的方法保證數據的無差錯傳輸，但是這種方法不適合實時視頻通信。因為視頻通信對延遲有嚴格的要求，不可能使用無限制的重傳。
  20. The techniques of the work item, i. e. node b controlled scheduling, hybrid arq, shorter tti, are to improve the performance of uplink dedicated transport channels, i. e. to increase capacity and throughput and reduce delay. cell - level system performance of hsupa is described through the simulation results, including cell throughput of uplink packet service, system delay, capacity, fairness of ues, radio resource occupation and system device utilization

    為了提高wcdma網路傳統的上行專用傳輸通道（ dch ）的性能，即提高覆蓋、吞吐量和減少延時， 3gpp決定開發hsupa技術，提出了增強型的上行專用傳輸通道（ e - dch ） ，這是一條新增的上行專用傳輸通道，專用於hsupa 。
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