cellular telephony 中文意思是什麼

cellular telephony 解釋
移動電話
  • 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.
  • telephony : n 電話技術。 rural telephony 鄉村電話。 secret telephony 保密電話。 toll telephony 長途電話（技術...
  1. Cellular telephony was able to accommodate a greater number of customers by drastically reducing both power and distance, allowing the same spectrum to be reused many times within a geographic area

    蜂巢式行動電話雖然大幅降低功率、縮短距離，但同樣的頻譜在同一地區能重復使用多次，所以能夠容納更多的客戶。
  2. Because waves can vary from 18 feet for channel 2 television to three inches for cellular telephony, proper antenna length is key to reception

    因為電波波長從第二頻道電視用的5 . 5公尺到行動電話用的7 . 6公分都有，所以適當的天線長度正是收訊品質的關鍵。
  3. Push - to - talk over cellular might represent one of the biggest opportunities since cellular telephony itself and sms

    摘要：蜂窩網路上的即按即說技術有可能代表自手機和短消息問世以來最大的一次商機。
  4. The government has, since the mid - 1980s, introduced competition to the market, first in cellular telephony 1985, followed by fixed network 1995

    政府從80年代中起為市場引入競爭，首先是行動電話（ 1985年） ，然後是固定網路（ 1995年） 。
  5. The government has, since the mid - 1980s, introduced competition to the market, first in cellular telephony ( 1985 ), followed by fixed network ( 1995 )

    政府從80年代中起為市場引入競爭，首先是行動電話（ 1985年） ，然後是固定網路（ 1995年） 。
  6. Software radio have get remarkable development since firstly introduced by jeo mitola in 1992. it has several new characteristic : opening hardware platform, using updateable and reconfigurable application software to realize all kinds of radio function. this type of software radio is expected to be a key technology in several application fields of wireless communications, including cellular telephony, military communications, micro - electronics and etc. the software radio gateway is application of software radio technology in military communication

    軟體無線電自1992年jeomitola提出以來，在近幾年取得了引人注目的進展，它的開放性硬體平臺、盡可能地用可升級、可重新配置的應用軟體來實現各種無線電功能的設計新思路，引起了包括個人通信、軍事通信、微電子以及計算機等各個領域的巨大關注，被認為是未來通信技術發展的一個重要方向之一。
  7. Future wireless applications, such as video cellular telephony, wireless internet access and wireless lans, have open a new field for wireless multimedia communication - image communication, which push a growing demand for fast, economic, low - energy mobile multimedia communication. however, there are still several bottlenecks - bandwidth, low - delay, power and noise etc, need to be solved

    然而由於無線視頻通信存在許多瓶頸與協議問題：包括帶寬要求、實時性要求、功率限制和通道噪聲等，面向無線的視頻編碼與傳輸技術已成為當今信息科學與技術的前沿課題。
  8. This paper explains the background to push - to - talk, the operational differences between push - to - talk and conventional mobile telephony, why combining the modes on a cellular network provides benefits all round

    這篇白皮書對即按即說技術的背景、即按即說技術與傳統移動電話技術在操作上的不同點、為什麼蜂窩網路的整合模式可以提供全面的受益性等進行了說明。
  9. The impressive growth of cellular mobile telephony as well as the number of internet users promises an exciting potential for a market that combines both innovations : cellular wireless data services

    近年來，移動蜂窩技術的高速發展以及因特網用戶的迅速增長預示著新的市場潛力，並由此而發展出新的通訊業務：蜂窩無線數據業務。
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