OFDM是一种新型的调制方式，称为正交频分复用。阐述了OFDM的原理、系统组成和

优良性质及其在数字电视传输和混合光纤电缆网(HF，C)中的应用。

-OFDM is a new type of modulation is called orthogonal frequency division multiplexing. OFDM on the principles of good composition and the nature of the system and its application in digital television transmission and hybrid fiber cable network (HF, C) application.