cellular communication system 中文意思是什麼

cellular communication system 解釋
單元通信系統
  • 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.
  • communication : n. 1. 通訊，通知；交換；信息；書信，口信，通報。2. 傳達，傳授；傳播；傳染。3. 交通，交通機關；聯系，連絡（設備）。4. 【宗教】接受聖餐。
  • 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. An extended kalman filtering ( ekf ) algorithm is designed for radiolocation in cellular communication system, simulation is conducted to examine its performance

    摘要設計了一種蜂窩系統無線定位中使用的擴展卡爾曼濾波（ ekf ）演算法，對其性能進行了模擬。
  2. This paper proposes a handoff algorithm using dual - window measurements in cellular mobile communication system. the proposed algorithm can provide a suitable balance of probability and delay of handoff. an analysis model of this algorithm is given in this paper. the proposed algorithm is especially fitted to the situation which mobile station needs to measure the signal strength from many base stations

    本文提出了一種新的蜂窩移動通信系統越區切換測量演算法，該演算法採用了兩個長度不同的測量窗口，有利於在切換時延和切換平均次數這對矛盾之間取得更為有效的平衡，特別適用於需要對多個基站進行切換測量的情況.同時本文給出了基於矩形窗口的雙窗口切換測量演算法數學分析模型，及數值分析結果
  3. 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
  4. Spread - spectrum secure communication based on hyperchaos system of cellular neural network

    基於細胞神經網路超混沌系統的擴頻保密通信
  5. With the theory getting more matured and completed, sdr technology has been widely used in cellular communication system as well as other civil and military wireless communication systems. as one of the core technologies of sdr, digital receiver is also getting more and more extensive application

    隨著近年來軟體無線電理論和應用趨于成熟與完善，軟體無線電技術已經被越來越廣泛地應用於雷達通信及各種軍用和民用的無線通信系統中。作為軟體無線電的核心技術之一，數字接收機技術也得到了越來越普遍的應用。
  6. Mimo precoding can reduce the receiver ’ s complexity, specially suited for the downlink of the cellular mobile communication system, so it has been noticed by the worldwide researchers these years

    Mimo預編碼技術可以大大降低接收機的復雜度，特別適合於蜂窩移動通信系統的下行鏈路，因此在最近幾年受到了國內外研究人員的廣泛關注。
  7. 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。
  8. Wireless data service is rapidly increasing nowadays. and the limited channel capacity has become a serious problem to the cellular wireless communication system. current strategy of channel allocation can be divided into two types : fixed channel allocation ( fca ) and dynamic channel allocation. ( dca )

    近十年來，隨著移動通信業的發展，移動用戶的數量和用戶的業務量都以迅猛的速度提升，持續增長的數據業務需求和有限的容量是現有蜂窩系統面臨的重大問題。
  9. Global system for mobile ( gsm ) is the first cellular communication system to specify digital modulation and network architectures and services. the number of countries that use the gsm system is more than 179 today. there are more than 200 million gsm mobile phone users in china the late 2002

    全球數字移動通信系統（ gsm ）是世界上第一個對數字調制、網路層結構和業務做出詳細規定的蜂窩通信系統，全世界有大約179個國家採用gsm標準建立了數字移動通信網路，我國從1995年開始建立gsm網路，發展至今已經擁有超過2億的用戶，成為全世界擁有gsm手機用戶最多的國家。
  10. 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。
  11. Study on broadband cellular mobile communication system ofdm based

    的寬帶蜂窩移動通信系統
  12. 800mhz cdma digits cellular mobile communication network equipment technical specification : switching sub - system

    800mhz cdma數字蜂窩移動通信網設備總技術規范:交換子系統部分
  13. Recently spread spectrum technique has been used widely in wireless data communication, cellular mobile communication, military communication and telemetry monitor system with resistance to interference, high usage of spectrum, resistance to multi - path fading, so investigators in communications field pay more attention to the technique, especially direct sequence spread spectrum ( dsss ) technique

    近年來，擴頻技術以其抗干擾能力強、頻譜利用率高、抗多徑等優越性能在無線數據通信、蜂窩移動通信、軍事通信以及遙測監控系統中獲得了廣泛的應用，並日益受到通信領域研究人員的重視，特別是直接序列擴頻技術（ dsss ） 。
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