科技广场
科技廣場
과기엄장
SCIENCE TECHNOLOGY PLAZA
2014年
10期
99-101
,共3页
选号式%双工制%调频式%载波机
選號式%雙工製%調頻式%載波機
선호식%쌍공제%조빈식%재파궤
Selection Type%Duplex System%Frequency Modulation Type%Carrier Machine
本文介绍一种采用导频、锁相环调频、鉴频等技术来实现选号功能的双工制架线电机车载载波机,总机对15台分机能进行选号通信,解决了异频单工制载波机总机与某一分机通话时其他分机也能听到的缺点,提高了载波电话的通信质量。
本文介紹一種採用導頻、鎖相環調頻、鑒頻等技術來實現選號功能的雙工製架線電機車載載波機,總機對15檯分機能進行選號通信,解決瞭異頻單工製載波機總機與某一分機通話時其他分機也能聽到的缺點,提高瞭載波電話的通信質量。
본문개소일충채용도빈、쇄상배조빈、감빈등기술래실현선호공능적쌍공제가선전궤차재재파궤,총궤대15태분궤능진행선호통신,해결료이빈단공제재파궤총궤여모일분궤통화시기타분궤야능은도적결점,제고료재파전화적통신질량。
This paper introduces a duplex stringing motor vehicle carrier which can select signals through a pi-lot, PLL frequency modulation, and frequency discrimination technology. The switchboard operator can communi-cate with 15 extensions by selecting signal, solving the problem of different frequency simplex system carrier ma-chine operator, and a particular extension call can be heard by other ones, and improving the quality of communi-cation carrier telephone.