tdma 中文意思是什麼

tdma 解釋
【電信】時分多址(技術)〈系time-division multiple access 之縮略〉。

  1. Cit tdma cellular pcs - change rate indication teleservice

    Tdma蜂窩pcs .變率顯示遠程業務
  2. Tdma cellular pcs - radio interface normative information

    Tdma蜂窩pcs .無線電介面標準化信息
  3. Designers worldwide are working on local - access approaches using time - division multiple - access ( tdma ) technology. examples include using passive optical networks ( pons ) to realize fiber to the home, fiber to the curb. with the advent of the interactive services such as vod ( video on demand ), the communication traffic from subscriber to central office are increasing significantly

    各國的設計人員都在進行使用時分多址( tdma )技術的本地接入方式的研究工作,例如在本地接入方式中,利用工作于突發模式的無源光網路( pon )實現光纖到用戶、光纖到路邊的連接。
  4. Dig a little deeper and you ' ll find that not all digital phones speak the same language, either, with soupy dialects such as cdma, tdma, and gsm creeping into an already difficult decision

    稍微深入一點挖掘,你就會發現並非所有的數字手機都是用同樣的傳輸標準,再加上那些意義模糊的術語,如cdma 、 tdma 、 gsm等,讓本就面臨著困難選擇的用戶更加不知所措。
  5. Tdma cellular pcs - digital traffic channel layer 2

    Tdma蜂窩式pcs .數字通信通道層2
  6. Delay analysis of self - organized tdma vhf datalink

    自組織時分多址甚高頻數據鏈的延時分析
  7. Tdma cellular pcs - rf channel assignments

    Tdma蜂窩pcs .射頻通道分配
  8. Tdma third generation wireless, rev b

    無線特徵描述:用戶身份號碼截取
  9. Tdma third generation wireless - radio link protocol, addendum 1

    Tdma第3代無線電連接協議.補充件1
  10. Tdma third generation wireless - r - uim file structure

    時分多址聯接第三代無線電通信. r - uim文件結構
  11. Tdma allocates each user a different time slot on a given frequency

    Tdma在給定頻率為每個用戶分配不同的時隙。
  12. In the paper, the protocol adopt special route optimize algorithm and tdma time slot assigning algorithm, make node enter low consumption or sleep state in order to reduce the consumption ; aiming at choice the mechanism of cluster head, multi - hop routing and the mechanism of mac, the existing leach protocol is improved

    本文的網路協議是採用特殊的路由優化演算法和tdma時隙分配演算法,使節點進入低功耗或睡眠狀態以降低功耗。協議主要在簇頭的選擇機制、多跳路由、 mac層通信機制等方面,對已有的leach協議進行了改進。
  13. In the leach - new protocol, the mainly improvement of the leach protocol exhibits as follow : for the sake of balancing the network load, the network choose the clusters based on the residual energy ; we take multi - hop communication between sensors instead of single - hop communication, which results in the reduction of energy consumption of clusters ; the new protocol finds the path to the cluster head with the minimum cost, using an algorithm similar to flooding to propagate the cost information and greedy algorithm to find the lowest cost link ; the algorithm for assigning tdma time slot reduces overall delays of network

    在leach - new協議中,對leach協議的改進主要體現在以下幾個方面:根據節點剩餘能量選擇簇頭,以平衡網路負載;節點間採用多跳路由,降低簇頭能量消耗;節點根據能量消耗的代價來選擇至簇頭的路由,通過擴散演算法來廣播代價消息,採用貪婪演算法來選擇能量消耗最小的路徑;採用tdma時隙分配演算法減少網路時延。最後,利用ns2模擬軟體進行驗證。
  14. Sgsn 900 1800mhz tdma digital cellular mobile communication network test method of gprs general packet radio service base station system and serving gprs support node interface

    900 1800mhz tdma數字蜂窩移動通信網通用分組無線業務gprs基站子系統與服務gprs支持節點
  15. The videos, voices, data combined traffic and high speed data are becoming more and more predominent in the future, and how to efficiently transfer this multi - medium integrated - data is one of the researcher ' s interesting field. the cdma system, which has striking advantages of anti - multipath fading, soft capacities and large capacities over fdma and tdma systems, has been focused by all of the countries

    未來信息社會中,圖象,話音,數據相結合的多媒體業務和高速數據業務量越來越佔主要地位,如何有效地傳輸這種多媒體數據,已經成為移動通信中的研究熱點之一。擴頻技術由於具有抗多徑,軟容量和時分多址與頻分多址更大的容量和優勢,而受到各國研究者的重視。
  16. First of all, we bring forward the basic project of tadil, which adapts to combined operations. it is suggested to use tdma ( the abbreviation of time division multiple access ) as the working pattern and utilize the concept of mobile ad hoc network to construct the data link network. aiming at the impact of time delay on data link and the characteristic of cooperative combat under the command of director aircraft, this thesis applies a kind of kalman filtering algorithm in polar coordinates to compensate the error of time delay, and then does the transformation of target motion parameters to obtain the current information of target

    本文結合空軍裝備部某「十五」預研課題,圍繞著戰術數據鏈、多機協同多目標攻擊、超機動攻擊、空對地攻擊這四個方面展開了一系列的研究工作:本文首先給出了適應三軍聯合作戰的戰術數據鏈系統的基本方案,建議採用時分多址的工作模式,並利用移動自組織網路的概念構建數據鏈網路,同時針對數據鏈傳輸信息的時間延遲特性和指揮機指揮下的多機協同作戰特點,應用一種極坐標系下的卡爾曼濾波演算法對該傳輸延遲誤差進行補償,並在此基礎上進行目標運動參數的轉換,以獲得目標相對于某無人機的當前運動信息,且利用模擬驗證了方法的有效性。
  17. 18 bjorklund p, varbrand p, yuan d. resource optimization of spatial tdma in ad hoc radio networks. in proc

    實驗結果表明此方法在實際規模的網路中也能在可控制時間內得到最優解。
  18. Therefore this paper proposes the delay equalization algorithm which can both guarantee the qos of high priority traffic and effectively reduce the delay of ubr traffic in broadband satellite network. it is based on the prediction and equalization the delay of vbr or abr traffic so that the saved slots can be allocated to ubr traffic. the approach of dynamic alternation slots between vbr and ubr traffic can improve the mean tdma frame utilization while reducing the delay of ubr traffic

    因此本文在基於流量估計的資源調度演算法基礎上,提出了一種在寬帶衛星網路下能夠保證高級別類業務qos ,同時又能夠有效地降低ubr業務時延的時延均衡( delayequalization )調度演算法,它是基於對vbr或abr業務時延的預測,均衡時延的方法,保證vbr或者abr業務qos的同時,將節省的時隙分配給ubr業務。
  19. In a tdma network, multiple users share the common medium ( or channel ) and bandwidth but different intervals of time. in case of the burst mode, the carrier of the modulated signal needs to be synchronized in a very short time. the common approaches such as a costas - loop and so on are no longer suitable any more

    在一個時分多址( tdma )通信網路中,多個用戶通過不同的時間段共享一個傳輸線路(或者通道)的帶寬資源,每個用戶只能在分配給自己的時間段內進行通信,這種突發方式信號的解調要求載波恢復要在很短的時間內完成,我們以往在連續信號解調器中採用的costas環等方法很難適應這種要求。
  20. A discretization equation is derived by using a finite volume method in three - dimensional cylindrical polar coordinate system. algebraic equations are solved by iteration with a line - by - line method that is a combination of tdma in axial and radial directions, ctdma in tangential direction and adi method in three directions. the pressure and velocity coupling are solved with the simple algorithm

    在三維圓柱坐標下,利用有限體積法推導離散方程;在軸向與徑向用三對角矩陣法( tdma ) ,在周向採用循環三對角矩陣法( ctdma ) ,採用交替方向亞鬆弛疊代法( adi )求解方程;推導同位網格下的壓力修正方程,用simple演算法處理速度與壓力的耦合;為加速收斂,採用適當的鬆弛因子。
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