摘要
目前全国的城市社区都已经普及了数字电视,但在一些偏远的乡镇,还在使用一些天线、卫星电视接收器等接收模拟电视节目。利用天线等接收设备,只能收看到为数不多的电视频道,在一些特别偏远的地区,甚至接收不到电视信号,更谈不上数字电视,为此就乡镇的模数转换进行讨论,并提出一些建议和想法。
At present, the city community has been popularized by the digital television, but in some remote villages and towns, or in the use of a number of antenna, satellite TV receiver and receiving analog signals to watch TV. Using the antenna receiving equipment, only to watch as the number of television channels, partic- ularly in some remote areas, even not receiving television signals, not to mention the digital television defini- tion. This paper on the townships modulus conversion thinking discussion puts forward some suggestions and i- deas.
出处
《中国有线电视》
2012年第8期909-911,共3页
China Digital Cable TV
关键词
数字电视
模拟信号
天线
模数转换
digital television
analog signal
antenna
analog digital conversion
