摘要
IBOC DAB是完全不同于Eureka-147 DAB的一种全新概念的DAB,2003年底,美国FCC通过了批准将"带内同频(IBOC)"技术作为美国数字音频广播传输标准的决议,这是DAB技术领域的一个新发展。本文阐述了FM IBOC DAB发射端的系统结构、IBOC DAB中OFDM传输系统的特性及其信道OFDM调制系统的实现方案。
IBOC DAB is a brand - new concept relative to Eureka - 147 DAB in DAB field. At the end of 2003, FCC U. S. A. approved ＂ in - band on - channel （ IBOC ）＂ technology as the U. S. A. digital audio broadcasting transmission criterion, it is a new development in DAB technology field. This paper presents the frame of FM IBOC DAB transmission system, the OFDM modulation characteristic of the system and realization of OFDM channel modulation system using IFFT algorithm.
出处
《中国传媒大学学报（自然科学版）》
2007年第3期28-33,共6页
Journal of Communication University of China：Science and Technology
