广播卫星 Direct-broadcast satellite
广播卫星(Broadcasting Satellite,简称「BS」),是太空中应用于转发卫星电视和声音节目的技术方面,专为衞星电视设计及制造的人造衞星。由于不必经过地面站(Ground station)转发,可直接向用户转播或发射电视广播节目,故也称为直接广播卫星(Direct Broadcast Satellite,简称「DBS」)或直播卫星。
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词汇 | Direct broadcasting satellite |
分类 | 英语词汇 英语翻译词典 |
释义 |
Direct broadcasting satellite
中文百科
广播卫星 Direct-broadcast satellite(重定向自Direct broadcasting satellite)
广播卫星(Broadcasting Satellite,简称「BS」),是太空中应用于转发卫星电视和声音节目的技术方面,专为衞星电视设计及制造的人造衞星。由于不必经过地面站(Ground station)转发,可直接向用户转播或发射电视广播节目,故也称为直接广播卫星(Direct Broadcast Satellite,简称「DBS」)或直播卫星。
英语百科
Direct-broadcast satellite 广播卫星(重定向自Direct broadcasting satellite)
![]() ![]() ![]() Direct-broadcast satellite (DBS) is a type of artificial satellite which usually sends satellite television signals for home reception. The type of satellite television which uses direct-broadcast satellites is known as direct-broadcast satellite television (DBSTV) or direct-to-home television (DTHTV). This has initially distinguished the transmissions directly intended for home viewers from cable television distribution services that are sometimes carried on the same satellite. The term DTH predates DBS and is often used in reference to services carried by lower power satellites which required larger dishes (1.7 m diameter or greater) for reception. |
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