DVB
所属分类:通讯编程文档
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文件大小:195KB
下载次数:91
上传日期:2011-08-19 14:55:42
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liang7
说明: 通过分析8PSK 调制方式的载波恢复、定时恢复算法, 提出了一种适用于新一代数字卫星电视标准DVB S2
的全数字解调算法, 改进了相位频率检测( PFD) 算法以适合于8PSK 解调. 载波恢复采用频率检测( FD) 和相位频率
检测相结合的结构, 跟踪范围超过1 倍符号率. 采用Gardner TED 算法进行定时恢复.
(By analyzing the 8PSK modulation carrier recovery, timing recovery algorithm is proposed for a new generation of digital television standard DVB S2 Satellite all-digital demodulation algorithm, improved phase-frequency detector (PFD) algorithm for 8PSK demodulation . carrier recovery using frequency detection (FD) and phase-frequency detector combined structure, tracking more than 100 times the symbol rate range. using Gardner TED algorithm timing recovery.)
文件列表:
新一代卫星电视标准中解调算法的研究.pdf (220961, 2011-08-17)
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