【摘要】 对日本数字广播专家组制定的数字电视地面传输标准ISDB -T系统传输方案进行了描述 ,首先简要介绍了系统的传输方式及系统参数 ,然后给出了信道编码、调制方式以及接收机部分的具体结构。同时 ,由于ISDB -T和DVB -T系统均采用OFDM调制技术 ,所以对两者进行了比较。更多还原

【Abstract】 This paper describes the transmission scheme for the terrestial ISDB system. First, a general system level introduction is presented. It is followed by the detailed description of channel coding, modulation mode and the structure of the receiver. In addition, a brief comparison is also presented for the ISDB-T system and the DVB-T system since they both use OFDM modulation scheme.更多还原