siemens communications group 中文意思是什麼
siemens communications group
解釋
通信集團- siemens : n. 〈單復同〉【電學】西門子（亦作「姆毆」，電導單位）。
- communications : 溝通
- group : n 1 群；批，簇。2 集團，團體，小組。3 【化學】基，團，組；（周期表的）屬，族。4 （雕塑等的）群像...
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Voice communications and data transmission made along beijing s expressway removed doubts in people s mind about speed of terminal movement and coverage radius of base station of tdd mode. as a result of the experimentation, the datang group and the siemens company plan to organize a large - scale td scdma field demonstration in the near future. according to technical personnel who participated in the field experimentation, with progress of the experimentation, speed of terminal movement allowed by the system can be raised further
經過在北京高速公路上所做的現場通話和數據傳輸試驗表明： td - scdma終端的移動時速可以達到125km ，基站信號功率覆蓋半徑超過16km ，且通話話音清晰，圖象傳輸穩定，這一試驗結果完全證明td - scdma技術標準完全符合國際電聯（ itu ）對第三代移動通信的要求，消除了人們對于tdd模式在終端移動速度和基站覆蓋半徑的疑慮。
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