radio telephony 中文意思是什麼
radio telephony
解釋
無線電話-
Single side band radio telephony ssb rt on 8812 khz
採用無線電話的8812千赫頻道廣播。先以廣東話，后以英語廣播。 -
Today ' s trend toward sending lower - power signals over shorter ranges has occurred previously in wireless communications ? during the early days of radio telephony
在較短距離傳送較低功率的訊號已經成為今天的趨勢，但這種傾向早已見諸先前的無線通訊，也就是早期的無線電話。 -
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。 -
The introduction of new technology platforms for service delivery, such as 3g mobile network for telephony and data services ; digital broadcasting ; the convergence of telecommunications, broadcasting and internet services ; smart card technology ; location based services including global positioning systems ; spatial and geographic information systems s gis ; radio - frequency identification rfid technology ; and the development of a digital trade and transportation network have provided an enabling environment for the development of innovative applications, contents and services based on these new operating media
在本港引入供傳送服務的新技術平臺，例如可提供電話和數據服務的第三代流動通訊網路數碼廣播電訊業廣播業和網際網路服務三者的科技匯流智能卡技術定位服務包括全球定位系統gps空間及地理資訊系統s gis射頻識別rfid技術，以至數碼貿易運輸網路的開發，均有助提供有利環境，以上述各項新營運媒體為基礎，開發嶄新的應用系統內容和服務。
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