一种用于DVB-C的全数字QAM解调器的设计  

Design of All-Digital QAM Demodulator for DVB-C

作　　者：顾庆水[1] 

机构地区：[1]电子科技大学电子工程学院,四川成都610054

出　　处：《电视技术》2005年第7期35-37,共3页Video Engineering

摘　　要：提出了一种易于硬件实现的用于DVB-C的全数字QAM解调器的结构,并对该结构中的载波恢复、符号同步以及自适应均衡进行了说明。通过仿真,给出了在高斯白噪声信道条件下的误码性能。从仿真结果看出本结构具有较好的性能。The architecture of an all-digital QAM demodulator for DVB-C, which is easy to implement digitally, is proposed in this paper, and the carrier recovery, symbol synchronization and adaptive equalization included in this architecture are explained. The performance of the demodulator under the condition of AWGN channel is shown by simulation. Simulation demonstrates that the receiver has a good performance.

关 键 词：DVB-C标准 正交幅度调制 全数字解调器 

分 类 号：TN941.4[电子电信—信号与信息处理]