http://www.knowsky.com/article.asp?typeid=90 视频通信 rss zh-cn Copyright 2000-2009 www.knowsky.com http://www.knowsky.com/9616.htmlwww.knowsky.com视频通信2005-02-14浅谈有线电视的外线管理（陈冰） 有线电视是高科技装备的社会系统工程，是一个庞大复杂的网络，从信号接收、处理、 传输、分配直至用户，环环紧密相连。它的前端部分和.....<a href='http://www.knowsky.com/9616.html'>点击浏览详细内容</a><br/><br/>-------------------------------------<br/>导航:<a href='http://www.knowsky.com/developer.asp' target='_blank'>编程</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/zhanzhang.asp' target='_blank'>站长</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/web.asp' target='_blank'>网页</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/photo.asp' target='_blank'>图形</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/system.asp' target='_blank'>系统</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/internet.asp' target='_blank'>冲浪</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/qq.asp' target='_blank'>QQ</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/soft.asp' target='_blank'>软件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/office.asp' target='_blank'>办公</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/shoujixueyuan.asp' target='_blank'>手机</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/mailserver.asp' target='_blank'>邮件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/networksecurity.asp' target='_blank'>安全</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/exam.asp' target='_blank'>认证</a> <p><a href="http://feedads.g.doubleclick.net/~a/hBHZyceK9NejXxDEjO6dlSxTfu8/0/da"><img src="http://feedads.g.doubleclick.net/~a/hBHZyceK9NejXxDEjO6dlSxTfu8/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/hBHZyceK9NejXxDEjO6dlSxTfu8/1/da"><img src="http://feedads.g.doubleclick.net/~a/hBHZyceK9NejXxDEjO6dlSxTfu8/1/di" border="0" ismap="true"></img></a></p>http://www.knowsky.com/9615.htmlwww.knowsky.com视频通信2005-02-14有线电视电脑选台器的现状与选购（施强） 随着卫星电视的迅猛发展，我国各省、市、自治区电视节目都陆续上了卫星，加上中央 电视台八套节目，即使在偏远的县级有线电视.....<a href='http://www.knowsky.com/9615.html'>点击浏览详细内容</a><br/><br/>-------------------------------------<br/>导航:<a href='http://www.knowsky.com/developer.asp' target='_blank'>编程</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/zhanzhang.asp' target='_blank'>站长</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/web.asp' target='_blank'>网页</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/photo.asp' target='_blank'>图形</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/system.asp' target='_blank'>系统</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/internet.asp' target='_blank'>冲浪</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/qq.asp' target='_blank'>QQ</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/soft.asp' target='_blank'>软件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/office.asp' target='_blank'>办公</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/shoujixueyuan.asp' target='_blank'>手机</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/mailserver.asp' target='_blank'>邮件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/networksecurity.asp' target='_blank'>安全</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/exam.asp' target='_blank'>认证</a> <p><a href="http://feedads.g.doubleclick.net/~a/lDYBZ0M_lm5GPVJw1h2iwBnzGDk/0/da"><img src="http://feedads.g.doubleclick.net/~a/lDYBZ0M_lm5GPVJw1h2iwBnzGDk/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/lDYBZ0M_lm5GPVJw1h2iwBnzGDk/1/da"><img src="http://feedads.g.doubleclick.net/~a/lDYBZ0M_lm5GPVJw1h2iwBnzGDk/1/di" border="0" ismap="true"></img></a></p>http://www.knowsky.com/9614.htmlwww.knowsky.com视频通信2005-02-14宽带MMDS发射系统是卫星直播电视进入千家万户的最途径——孙雪霞 1 综述 国家广播电视总局提出“九五”期间的发展目标是力争在.....<a href='http://www.knowsky.com/9614.html'>点击浏览详细内容</a><br/><br/>-------------------------------------<br/>导航:<a href='http://www.knowsky.com/developer.asp' target='_blank'>编程</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/zhanzhang.asp' target='_blank'>站长</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/web.asp' target='_blank'>网页</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/photo.asp' target='_blank'>图形</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/system.asp' target='_blank'>系统</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/internet.asp' target='_blank'>冲浪</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/qq.asp' target='_blank'>QQ</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/soft.asp' target='_blank'>软件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/office.asp' target='_blank'>办公</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/shoujixueyuan.asp' target='_blank'>手机</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/mailserver.asp' target='_blank'>邮件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/networksecurity.asp' target='_blank'>安全</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/exam.asp' target='_blank'>认证</a> <p><a href="http://feedads.g.doubleclick.net/~a/g0S2XI_YMya94V4A1sKjzpmfOks/0/da"><img src="http://feedads.g.doubleclick.net/~a/g0S2XI_YMya94V4A1sKjzpmfOks/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/g0S2XI_YMya94V4A1sKjzpmfOks/1/da"><img src="http://feedads.g.doubleclick.net/~a/g0S2XI_YMya94V4A1sKjzpmfOks/1/di" border="0" ismap="true"></img></a></p>http://www.knowsky.com/9613.htmlwww.knowsky.com视频通信2005-02-14(续上篇) 系统设计 对于村级MMDS系统主要是直接接收直播卫星上的电视节目，而不是接收HFC或微波传送来的 省级或县级广播，因此是直.....<a href='http://www.knowsky.com/9613.html'>点击浏览详细内容</a><br/><br/>-------------------------------------<br/>导航:<a href='http://www.knowsky.com/developer.asp' target='_blank'>编程</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/zhanzhang.asp' target='_blank'>站长</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/web.asp' target='_blank'>网页</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/photo.asp' target='_blank'>图形</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/system.asp' target='_blank'>系统</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/internet.asp' target='_blank'>冲浪</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/qq.asp' target='_blank'>QQ</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/soft.asp' target='_blank'>软件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/office.asp' target='_blank'>办公</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/shoujixueyuan.asp' target='_blank'>手机</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/mailserver.asp' target='_blank'>邮件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/networksecurity.asp' target='_blank'>安全</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/exam.asp' target='_blank'>认证</a> <p><a href="http://feedads.g.doubleclick.net/~a/pqbu1QK5aOtje6uVBJtuwdw2tos/0/da"><img src="http://feedads.g.doubleclick.net/~a/pqbu1QK5aOtje6uVBJtuwdw2tos/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/pqbu1QK5aOtje6uVBJtuwdw2tos/1/da"><img src="http://feedads.g.doubleclick.net/~a/pqbu1QK5aOtje6uVBJtuwdw2tos/1/di" border="0" ismap="true"></img></a></p>http://www.knowsky.com/9612.htmlwww.knowsky.com视频通信2005-02-14中国有线电视网络发展简史 1964年，原中央广播事业局立项对共用天线系统进行研究，拉开了中国发展有线电视的 序幕。1964年至1974年，为中国有线电视技术研.....<a href='http://www.knowsky.com/9612.html'>点击浏览详细内容</a><br/><br/>-------------------------------------<br/>导航:<a href='http://www.knowsky.com/developer.asp' target='_blank'>编程</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/zhanzhang.asp' target='_blank'>站长</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/web.asp' target='_blank'>网页</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/photo.asp' target='_blank'>图形</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/system.asp' target='_blank'>系统</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/internet.asp' target='_blank'>冲浪</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/qq.asp' target='_blank'>QQ</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/soft.asp' target='_blank'>软件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/office.asp' target='_blank'>办公</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/shoujixueyuan.asp' target='_blank'>手机</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/mailserver.asp' target='_blank'>邮件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/networksecurity.asp' target='_blank'>安全</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/exam.asp' target='_blank'>认证</a> <p><a href="http://feedads.g.doubleclick.net/~a/CP7ikUugcPDN-wWfGVsuoLKuxVQ/0/da"><img src="http://feedads.g.doubleclick.net/~a/CP7ikUugcPDN-wWfGVsuoLKuxVQ/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/CP7ikUugcPDN-wWfGVsuoLKuxVQ/1/da"><img src="http://feedads.g.doubleclick.net/~a/CP7ikUugcPDN-wWfGVsuoLKuxVQ/1/di" border="0" ismap="true"></img></a></p>http://www.knowsky.com/9611.htmlwww.knowsky.com视频通信2005-02-14我国山区农村CATV系统建设应注意的几个问题（杨瑞理 高红令 汪顶武） 摘要：本文以我国北方山区农村为例，从CATV系统建设的角度，介绍了山区农村的特 点，山.....<a href='http://www.knowsky.com/9611.html'>点击浏览详细内容</a><br/><br/>-------------------------------------<br/>导航:<a href='http://www.knowsky.com/developer.asp' target='_blank'>编程</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/zhanzhang.asp' target='_blank'>站长</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/web.asp' target='_blank'>网页</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/photo.asp' target='_blank'>图形</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/system.asp' target='_blank'>系统</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/internet.asp' target='_blank'>冲浪</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/qq.asp' target='_blank'>QQ</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/soft.asp' target='_blank'>软件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/office.asp' target='_blank'>办公</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/shoujixueyuan.asp' target='_blank'>手机</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/mailserver.asp' target='_blank'>邮件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/networksecurity.asp' target='_blank'>安全</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/exam.asp' target='_blank'>认证</a> <p><a href="http://feedads.g.doubleclick.net/~a/7A3_iID2ULw4sBxTSxaHSGekHDc/0/da"><img src="http://feedads.g.doubleclick.net/~a/7A3_iID2ULw4sBxTSxaHSGekHDc/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/7A3_iID2ULw4sBxTSxaHSGekHDc/1/da"><img src="http://feedads.g.doubleclick.net/~a/7A3_iID2ULw4sBxTSxaHSGekHDc/1/di" border="0" ismap="true"></img></a></p>http://www.knowsky.com/9610.htmlwww.knowsky.com视频通信2005-02-14光学网络技术对将来有线电视网络的影响——董建丽 张秋君 波分复用（WDM）可以使用不同的波长在同一个光纤中独立地传播。尽管我们使用1310nm 和1550nm.....<a href='http://www.knowsky.com/9610.html'>点击浏览详细内容</a><br/><br/>-------------------------------------<br/>导航:<a href='http://www.knowsky.com/developer.asp' target='_blank'>编程</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/zhanzhang.asp' target='_blank'>站长</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/web.asp' target='_blank'>网页</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/photo.asp' target='_blank'>图形</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/system.asp' target='_blank'>系统</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/internet.asp' target='_blank'>冲浪</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/qq.asp' target='_blank'>QQ</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/soft.asp' target='_blank'>软件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/office.asp' target='_blank'>办公</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/shoujixueyuan.asp' target='_blank'>手机</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/mailserver.asp' target='_blank'>邮件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/networksecurity.asp' target='_blank'>安全</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/exam.asp' target='_blank'>认证</a> <p><a href="http://feedads.g.doubleclick.net/~a/7mAG7SZV-z0lFtq0aO3EUOKAkIQ/0/da"><img src="http://feedads.g.doubleclick.net/~a/7mAG7SZV-z0lFtq0aO3EUOKAkIQ/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/7mAG7SZV-z0lFtq0aO3EUOKAkIQ/1/da"><img src="http://feedads.g.doubleclick.net/~a/7mAG7SZV-z0lFtq0aO3EUOKAkIQ/1/di" border="0" ismap="true"></img></a></p>http://www.knowsky.com/9609.htmlwww.knowsky.com视频通信2005-02-14“新高速路”上的摇滚——有线电视网能给我们带来什么(一) 前言 不确定的.....<a href='http://www.knowsky.com/9609.html'>点击浏览详细内容</a><br/><br/>-------------------------------------<br/>导航:<a href='http://www.knowsky.com/developer.asp' target='_blank'>编程</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/zhanzhang.asp' target='_blank'>站长</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/web.asp' target='_blank'>网页</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/photo.asp' target='_blank'>图形</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/system.asp' target='_blank'>系统</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/internet.asp' target='_blank'>冲浪</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/qq.asp' target='_blank'>QQ</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/soft.asp' target='_blank'>软件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/office.asp' target='_blank'>办公</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/shoujixueyuan.asp' target='_blank'>手机</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/mailserver.asp' target='_blank'>邮件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/networksecurity.asp' target='_blank'>安全</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/exam.asp' target='_blank'>认证</a> <p><a href="http://feedads.g.doubleclick.net/~a/gPZzez-5h69Q6qZa-060q3TgByY/0/da"><img src="http://feedads.g.doubleclick.net/~a/gPZzez-5h69Q6qZa-060q3TgByY/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/gPZzez-5h69Q6qZa-060q3TgByY/1/da"><img src="http://feedads.g.doubleclick.net/~a/gPZzez-5h69Q6qZa-060q3TgByY/1/di" border="0" ismap="true"></img></a></p>http://www.knowsky.com/9608.htmlwww.knowsky.com视频通信2005-02-14“新高速路”上的摇滚——有线电视网能给我们带来什么(二) 天生“富矿”必有用 对大多数人.....<a href='http://www.knowsky.com/9608.html'>点击浏览详细内容</a><br/><br/>-------------------------------------<br/>导航:<a href='http://www.knowsky.com/developer.asp' target='_blank'>编程</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/zhanzhang.asp' target='_blank'>站长</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/web.asp' target='_blank'>网页</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/photo.asp' target='_blank'>图形</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/system.asp' target='_blank'>系统</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/internet.asp' target='_blank'>冲浪</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/qq.asp' target='_blank'>QQ</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/soft.asp' target='_blank'>软件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/office.asp' target='_blank'>办公</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/shoujixueyuan.asp' target='_blank'>手机</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/mailserver.asp' target='_blank'>邮件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/networksecurity.asp' target='_blank'>安全</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/exam.asp' target='_blank'>认证</a> <p><a href="http://feedads.g.doubleclick.net/~a/5jd2gTsseU_ySwnHkinUudbenUs/0/da"><img src="http://feedads.g.doubleclick.net/~a/5jd2gTsseU_ySwnHkinUudbenUs/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/5jd2gTsseU_ySwnHkinUudbenUs/1/da"><img src="http://feedads.g.doubleclick.net/~a/5jd2gTsseU_ySwnHkinUudbenUs/1/di" border="0" ismap="true"></img></a></p>http://www.knowsky.com/9607.htmlwww.knowsky.com视频通信2005-02-14CATV网辉煌的明天——何淑贞 王日远 CATV网走过了半个世纪的历程，由共用天线系统到电缆电视系统，由现在的CATV到未来 的信息高速公路，其发展的轨迹让我.....<a href='http://www.knowsky.com/9607.html'>点击浏览详细内容</a><br/><br/>-------------------------------------<br/>导航:<a href='http://www.knowsky.com/developer.asp' target='_blank'>编程</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/zhanzhang.asp' target='_blank'>站长</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/web.asp' target='_blank'>网页</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/photo.asp' target='_blank'>图形</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/system.asp' target='_blank'>系统</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/internet.asp' target='_blank'>冲浪</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/qq.asp' target='_blank'>QQ</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/soft.asp' target='_blank'>软件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/office.asp' target='_blank'>办公</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/shoujixueyuan.asp' target='_blank'>手机</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/mailserver.asp' target='_blank'>邮件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/networksecurity.asp' target='_blank'>安全</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/exam.asp' target='_blank'>认证</a> <p><a href="http://feedads.g.doubleclick.net/~a/PILJuvSuzk_BSReD8IcTdgIrqQA/0/da"><img src="http://feedads.g.doubleclick.net/~a/PILJuvSuzk_BSReD8IcTdgIrqQA/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/PILJuvSuzk_BSReD8IcTdgIrqQA/1/da"><img src="http://feedads.g.doubleclick.net/~a/PILJuvSuzk_BSReD8IcTdgIrqQA/1/di" border="0" ismap="true"></img></a></p>