access scdma 中文意思是什麼

access scdma 解釋
同步碼分多址
  • access : n. 1. 接近；會面。2. 捷徑，門路〈指方法、手段〉；檢查孔；進路，入口；【自動化】（存貯器的）存取。3. （病的）發作；（怒氣等的）爆發。4. 增加。
  • scdma : 時分同步碼分多址
  1. In this thesis, we introduce the smart antennas and mainly examine the performance enhancements that can be achieved by employing sa in scdma wireless access system. in the part of introduction of smart antennas, we discuss the switched - beam arrays realizing by mending butler network at first. then we compare the different beam forming algorithms in sa

    在對兩大類智能天線系統的介紹中，本文首先討論了一種以改進的butler網路實現波束賦形的多波束切換系統，推導了該天線陣的饋電模型並給出了模擬結果；然後，本文對智能天線波束形成演算法進行了比較，總結了不同演算法的優缺點，並給出具有代表性的演算法描述與模擬。
  2. Since there is a lack of the researches on performance in scdma wireless access network, so the study of the paper is very necessary

    鑒于目前有關scdma無線接入系統性能分析的文獻資料並不多，因此本文所做的工作十分有意義。
  3. Scdma wireless access network, the newborn wireless communication system, uses many up - to - date techniques, such as smart antennas, to solve the problem

    Scdma無線接入系統是一種全新的無線接入系統，它採用智能天線等新技術作為解決上述難題的有效手段。
  4. Synchronous cdma ( scdma ) system is a wireless communication system using smart antenna, synchronous cdma, swap ? ( synchronous wireless access protocol ) and it is implemented on software radio architecture

    Scdma （同步碼分多址）系統是使用智能天線、同步碼分多址和swap ~ （ tm ） （同步無線接入信令規范）信令、用軟體無線電實現的無線通信系統。
  5. Sk telecom said it would establish a joint research center in china to develop a 3g mobile telecom standard, promoted by china, called time division - synchronous code division multiple access ( td - scdma )

    Sk電信還表示，該公司將在中國建立一家合資研究中心，用來開發中國提出的3g移動通信標準td - scdma 。
  6. Research on packet data access enhanced technology in td - scdma

    中分組數據接入增強技術的研究
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