摘要
介绍数字有线电视传输系统中QAM解调系统的原理及设计方案。软件设计提供了解调芯片的软件控制流程;硬件设计提供了采用芯片或一体化数字高频头实现QAM解调系统的几种解决方案。
The principle and design of QAM demodulator for digital CATV system is descri bed in this paper.Software con-trol flow for demodulation IC chip is provided in the software design,and several solutions for realizing QAM demodulation sys tem by means of IC chip or integrated digitl RF tuner are provided in the hardwa re design
出处
《电视技术》
北大核心
2004年第1期59-62,共4页
Video Engineering
