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北京平谷区酒店卫星电视,用心服务每一位客户_北京华创科技有限公司

北京华创科技有限公司

主营:北京卫星电视安装,石景山卫星电视小锅安装,酒店卫星电视安装

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北京平谷区酒店卫星电视,用心服务每一位客户

2025-07-01 05:00:01  1009次浏览 次浏览
价 格:面议

卫星电视安装调试:夹具中部是100.5°亚卫2号,早先调好不变。向左按卫星顺序调出,可调至68.5°泛美4号。向右也是一样调出,可调至134°亚太1A。为了方便寻星,可在夹具中部100.5°为中心点,向两边延伸,高频头在轨道内滑动1°,拉开距离21毫米左右,随意选择任何一星,调准后固定,再调另一星。只要在轨道内能摆下高频头,就可以收到该位置的卫星电视节目。正馈天线当作偏馈用,夹具两端聚焦较差,只能收模拟讯号。弱讯号有雪花点。其余的卫星讯号能覆盖到的地区,都能正常收视。

BI数字机配编程,22K,13V/18V开关,收视8颗卫星。神州双星模拟机配13V/18V开关,收视4颗卫星。上海卫星电视安装或者配多星遥控切换器,可以接收7颗卫星以上。能收到免费卫星电视节目近200套,广播节目近100套(收稿时间2000年8月)。两年多收视正常。烧友们不妨一试。

卫星电视安装天线(俗称大锅),正馈天线,增益一般都不算太高,信号焦点常常会大于高频头的信号接收口,如果在高频头上正确安装一个馈源盘,馈源盘就会把错过高频头的信号口的那部分信号再次反射回天线反射面(锅面),信号经过天线反射面再次聚焦,焦点就会更小,更容易进入高频头的信号口,从而提高天馈系统信号的接收性能,由于天线精度,焦点形状,高频头性能和馈源盘本身的面积、精度和安装位置等原因影响,已安装和没安装馈源盘的天线比较,信号接收性能大约提高2%到20%不等,具体需要尝试。

避开建筑物的遮挡

在天线指向卫星的方向上应该没有树木、房屋、铁塔、高压线及高山等任何物体遮挡。一般来说,天线指向周围遮挡物的连线与天线指向卫星的连线之间的夹角应以大于5°为宜。

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