重点研究了全数字QAM接收机中的两个关键技术——符号同步和信道盲均衡。研究Gardner定时误差检测算法，盲均衡方面，重点研究了CMA及其改进算法，采用MMA算法和DD-LMS算法联合均衡-Focuses on the all-digital QAM receiver in the two key technologies- the symbol synchronization and channel blind equalization. Research Gardner timing err

一篇高阶QAM信号联合载波同步与盲均衡的外文文献，采用了多模盲均衡算法-a paper about the blind equalization and carrier recovery of high order QAM signals and uses MMA method