目前数字电视家庭子母机参考思路：模拟有线电视射频单加扰系统，城市主机接收程序-At present, digital television reference to ideas of family cluster machines: single-frequency analog cable TV scrambling system, the host city to receive the procedure

一个很好的中国数字电视单频网的组网方案 希望你们好好学习。-A good Chinese digital TV single-frequency network networking program I hope you will learn well.