摘要
微波作为广播电视信号传输的重要手段之一,如何在三网融合的趋势下,结合甘肃广电的网络现状、发展要求和微波发展的最新技术,走出具有自身特点,既经济又安全,既适应当期要求,也兼顾未来发展的升级改造之路。针对通路组织安排、频率规划、技术路线选择、设备及天馈线系统配置、基础设施准备等这些必须面对的问题,对其进行了相应的分析和探讨。
Microwave serves as one of the important means of signal transmission in radio and television, thus it is worth thinking of how to combine the current situation of Gansu radio and television network, the develop- ment requirement and the latest technology of microwave development under the trend of triple play to take an economic and safe upgrading road which possesses its own characteristics and meet both the current require- ments and the future development. Aiming at the problems that must be faced, such as the organizational ar- rangement of access road, frequency planning, technical route selection, system configuration of equipment and antenna feeder, infrastructure preparation, etc. , the corresponding problems have to be analyzed and dis- cussed.
出处
《中国有线电视》
2017年第11期1304-1309,共6页
China Digital Cable TV
关键词
微波传输
数字化改造
地面无线覆盖
DTMB
microwave transmission
digital transformation
terrestrial wireless coverage
DTMB