cellular system 中文意思是什麼

cellular system 解釋
1. 【植物;植物學】細胞組織。
2. (犯人的)分隔監禁法。

  • cellular : adj. 1. 【生物學】細胞的,細胞質[狀]的。2. 【建築】區劃[分格]式的;小室的。3. 多孔的;有窩的。4. =cellular phone.
  • system : n 1 體系,系統;分類法;組織;設備,裝置。2 方式;方法;作業方法。3 制度;主義。4 次序,規律。5 ...
  1. A power control algorithm for cdma cellular system

    蜂窩通信系統中的功率控制演算法
  2. A capacity calculating method of multi - service cdma cellular system

    蜂窩系統的一種容量計算方法
  3. Digital cellular system 1800 dcs1800, gsm1800

    數字式行動電話系統
  4. Forward link power control of multi - class hierarchical cdma cellular system

    系統下行鏈路的功率控制
  5. Digital cellular system at 1800mhz dcs

    頻段的數字蜂窩系統
  6. Japan digital cellular system jdc

    日本數字蜂窩系統
  7. Japan digital cellular system jd

    日本數字蜂窩系統
  8. Analysis of other - cell interference in the reverse link of vsg - cdma cellular system

    蜂窩系統反向鏈路的他區干擾分析
  9. Cdma cellular system

    碼分多址蜂窩系統
  10. Power control on the reverse link for a cdma cellular system using a fuzzy neural network

    蜂窩系統中基於模糊神經網路的反向鏈路功率控制
  11. Dynamic assignment problem in a large cellular system can be formulated as an dynamic programming problem, by using java programming to simulate the rl arithmetic and fixed channel assignment, and comparing the blocking probability of them with the conditions of changing the cell configurations and parameters

    把一個龐大蜂窩系統中的動態通道分配問題公式化為動態編程問題,採用java程序設計對動態通道分配的rl演算法與固定通道分配演算法進行模擬,在改變小區配置和不同參數設置的情況下比較了兩種通道分配方案的新建通話阻塞率。
  12. Following the principle of reuse partitioning, two new frequency planning schemes are proposed, the coverage - oriented scheme and the efficiency - oriented scheme, for the cellular system with two - hop fixed relay nodes ( frns )

    摘要根據復用分割原則,提出2種新的兩跳固定中繼蜂窩網的頻譜分配方案,即:側重於覆蓋面積的頻譜分配方案和側重於頻譜效率的頻譜分配方案。
  13. Firstly this paper researches present mobile communication technique of enhancing system capacity, next further researches basic principles of tdma and cdma system. based on these researches a new scheme is proposed that let broadband code division multiple access ( b - cdma ) system overlay on an existing narrowband digital cellular system ( i. e. gsm )

    本文首先研究了移動通信現有的擴容技術,其次深入研究了tdma系統和cdma系統的基本原理,在此基礎上提出了利用gsm與寬帶cdma系統同頻傳輸實現系統擴容的方案。
  14. We also proposed a new call admission control ( cac ) scheme for cdma cellular system that incorporates adaptive power control and mmse multiuser receiver and support multi - class traffic. the call admission control scheme is based on estimation of othercell interference and implemented distributively in each cell. capacity determined by the admission control agrees with the actual system capacity in the simulation. the scheme can achieve high bandwidth utilization and guarantee qos requirements of all the users at the call level

    為此,提出了呼叫確認策略,以保證系統中不同業務的所有用戶的qos 。呼叫控制策略在每一小區分佈地進行,通過估計其它小區的干擾確定小區的可用有效帶寬,再根據小區當前的負載決定是否對呼叫請求給予確認。呼叫確認控制可以在呼叫級保證用戶的qos 。
  15. The dual effects of no were validated in this research. no was either oxidative or antioxidative which depends on the circumstances. generally no took part in the antioxidant cellular system by elevating the activities of cat and apx. while in the vd - toxin infected arabidopsis, no supressed the activity of cat and may participate in redox signaling during the activation of defense responses which follows the pathognen attack

    本實驗結果進一步驗證了no作用的雙重性,即在通常情況下, no表現出的是抗氧化性,而當毒素與擬南芥互作時, no通過抑制cat活性,促進h _ 2o _ 2的積累,傳遞抗病信號,表現其氧化性的一面。
  16. With the rapid development of mobile communication systems, the existing gsm and narrowband cdma cellular system cannot solve the contradiction between the limited frequency source and the increased mobile users

    隨著移動通信的飛速發展,現有的gsm系統和窄帶cdma系統已無法緩解頻率資源有限與移動用戶急速增加的尖銳矛盾。
  17. Taking uplink as an example, both simplified analysis and intensive computer simulations are presented to offer comparisons among frn enhanced systems with the proposed schemes, with a known channel - borrowing based frequency planning scheme and the conventional cellular system without relaying

    同時,相對于側重覆蓋面積的頻譜分配方案,側重於頻譜效率的頻譜分配方案的頻譜復用距離較小,從而有更高的頻譜利用率,其重點在於解決頻譜效率問題。
  18. Chapter 3 investigates the capacity improvement in cdma multi - cellular system with base - station smart antenna. we consider the effects of multipath interference, thermal noise, path loss, processing gain and voice activity factor. and introduces multiuser detection combined with smart antenna

    考慮了多徑干擾、熱噪聲、路徑損耗、處理增益和語音激活因子的影響;並介紹了與智能天線技術相結合的多用戶檢測技術。
  19. Power control is the key technology of cdma cellular system. in this paper, we present a power control algorithm based on partially compensating signal to interference ratio, and it can improve system capacity and system performance

    功率控制是cdma蜂窩通信系統的關鍵技術.本文給出一種部分補償信干比的功率控制演算法,可以提高系統的容量,改善系統性能
  20. Then the present capacity of gsm and cdma system is analyzed and the cellular system total capacity adopting this co - frequency transmission scheme will be discussed in detail. it can be estimated that such an overlay has the potential of enhancing the overall spectrum efficiency and system capacity and it can provid e for the flexibility of spectrum utilization. finally this scheme will be simulated and then we analyze the relationship between spread spectrum processing gain, system capacity and mutual interference according to simulation results

    然後對現有的gsm系統和cdma系統的容量進行了分析,並對採用同頻傳輸方案的蜂窩系統容量進行了仔細的分析,通過計算得出用寬帶cdma系統與gsm系統進行頻帶共享,可以大大提高整個系統的容量,最後進一步對該方案進行了模擬,根據模擬得到的結果分析擴頻增益與系統容量和相互干擾之間的關系。
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