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有线电视器材的构成及广泛机器设备

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有线电视器材的构成及广泛机器设备

发布日期:2020-10-21 00:00 来源:http://eszarzis.com 点击:

    

    YI,XITONGRUANJIANJIANSHU 

    YOUXIANDIANSHIJISHIYINGYONGGAOPINLVDIANLANXIAN、GUANGLANDIANLAN、WEIBOJIAREDENGCHUANSHUFANGSHI,BINGZAIXIANGYINGDEKEHUZHONGKAIZHANFENPAIHEHUXIANGJIAOHUANSHENGYIN、TUXINGJIQIWANGLUOXINHAODEDIANSHIXITONGRUANJIAN 

    ER、XITONGRUANJIANGOUCHENG 

    现阶段,我国的有线电视系统通常是由视频信号和机房设备、前端机器设备、传送网络、分派网络、滤波器、客户终端设备五个部份构成的整体系统软件。

    (1)SHIPINXINHAOHEJIFANG。YOUXIANDIANSHIJIJIEMULAIYUANSHEJITONGXUNWEIXINGDIMIANZHANJIESHOUDEMOSIHESHUZIDIANSHIXINHAO,BENDIWEIBOJIAREZHANFASHEDEDIANSHIXINHAO,BENDIDIANSHITAIJIEMUFASHEDEDIANSHIXINHAODENG。WEISHIXIANSHIPINXINHAODEBOFANG,JIFANGYINGYAOYOUWEIXINGDIANSHIJIESHOU、MOSIHESHUZIBOFANGJI、DUOGONGNENGKONGZHIMIANBAN、SHEYINGJI、JINENGTUWENCHULIJIQISHEBEI、BIANJIJIQISHEBEI、SHIPINFUWUQI,YONGHUGUANLIKONGZHISHEBEIDENG。

    (2)QIANDUANJIQISHEBEI。QIANDUANJIQISHEBEISHIJIEZAISHIPINXINHAOYUGANXIANCHUANSONGWANGLUOXIANGHUJIANDEJIQISHEBEI。TABAJIESHOULAIDEDIANSHIXINHAOKAIZHANCHULIHOU,ZAIBAQUANBUDIANSHIXINHAOJINGHUNHEQIHUNHE,RANHOUSONGRUGANXIANCHUANSONGWANGLUO,YISHIXIANDUOXINHAODEDANLUCHUANSONG。QIANDUANJIQISHEBEISHUCHUXINHAOPINLVFANCHOUKEZAI5MHz—1GHzXIANGHUJIAN。QIANDUANSHUCHUKEJIEDIANLANXIANGANXIAN,YEKEJIEGUANGLANDIANLANHEWEIBOJIAREGANXIAN。

    (3)CHUANSONGWANGLUO。CHUANSONGWANGLUOCHUYUQIANDUANJIQISHEBEIHEKEHUFENPAIWANGLUOXIANGHUJIAN,QIGONGXIAOSHIJIANGQIANDUANSHUCHUDEGEZHONGXINHAOBUSHIZHENDI、WENDINGDICHUANSONGJIKEHUFENPAIBUFEN。CHUANSONGMEIJIEKEYISHISHEPINTONGZHOUDIANLAN、GUANGLANDIANLAN、WEIBOJIAREHUOTAMENDEZUCHENG,DANGJINYINGYONGSHUZUIDUODESHIGUANGLANDIANLANHETONGZHOUDIANLANHUNHE(HFC)CHUANSONG。

    (4)FENPAIWANGLUO。YOUXIANDIANSHIJIDEFENPAIWANGLUOSHIXUANYONGDIANLANXIANCHUANSONG,QIGONGXIAOSHIJIANGFANGDAQISHUCHUXINHAOANXIANGYINGDIANPINGFENPAIJILOUDONGDANYUANHEKEHU。

    (5)KEHUZHONGDUANSHEBEI。KEHUZHONGDUANSHEBEISHIJIEDAOQIANJIAWANHUDEKEHUDUANKOUHAO,KEHUDUANKOUHAOYUDIANSHILIANZAIYIQI。XIANJIEDUAN,KEHUDUANKOUHAOGUANGFANXUANYONGDANKOUKEHUHEHUOSHUANGKOUKEHUHE,HUOCHUANJIEYIFENZHI。WEILAIKEHUZHONGDUANSHEBEISHEJIDIANSHIJIDINGHE、DIANLANXIANDIAOZHIJIEDIAOQI、JIERAOQIDENG。

    有线电视器材的构成及广泛机器设备

相关标签:有线电视分支分配器