In this dissertation , i make a systemic research on time domain equalization algorithm which is the key technology of dsl , and design adsl transceiver system on a chip 本论文对dsl技术中的关键技术时域均衡算法进行了系统的研究,并进行了adsl收发器片上系统设计。
A near mlse equalization algorithm based on va ( viterbi algorithm ) is presented for overcoming severe isi ( intersymbol interference ) in this paper 本文利用编码的思想,在viterbi算法的基础上提出了一种改进的准mlse均衡算法,它能有效的克服严重的码间干扰。
Based on fractional sampling method , a new super - exponential iteration decision feedback blind equalization algorithm for severely nonlinear phase distortion channels was proposed 因此针对严重频率衰落和非线性相位失真信道,提出了一种分数采样的混合盲均衡算法,并获得了较快的收敛速度和较小的剩余均方误差。
6 . the basic principle of turbo equalization is discussed and the siso equalization algorithms based on a posteriori probability and interference cancellation are derived . at last , the simulation results are provided 6 .论述了turbo均衡的基本原理,推导了基于后验概率和干扰消除的5150均衡算法,给出了性能仿真结果。
A new variable step - size cma blind equalization algorithm is introduced to conquer the defects of cma , in which the step size is controlled by the estimation of error signal ' s autocorrelation 摘要提出了一种自适应变步长恒模盲均衡算法,利用剩余误差信号的自相关函数估计值作为控制步长的因子来自适应改变步长的大小,克服了恒模算法存在的固有缺陷。
Blind equalization technology is a very popular research topic because it can adaptively equalize without training sequence . blind equalization algorithm based on hos ( higher - order statistics ) was presented and developed in 80 ' s 基于高阶统计量的盲均衡算法在80年代末出现并得到发展,由于高阶谱不仅含有信号的幅度信息,而且还含有相位特征。
The paper particularly analyzed the satellite resource management structure , satellite connect admission control and mac ( media access control ) protocol . then the proposed delay equalization algorithm was applied in this satellite network 论文通过对卫星网络资源调度管理结构、卫星接入以及mac ( mediaaccesscontrol )协议的研究,将提出的基于时延均衡的调度算法在卫星网络中实现。
So it is widely researched . for bussgang category blind equalization algorithm , it ' s quantity of calculate is small and convenient to real - time implement and better performance . so this article uses this category algorithm to implement the blind equalizer 其中bussgang类盲均衡算法的研究已经取得了很多的成果,且它的计算复杂度小,便于实时实现,具有较好的性能,因此本文选用该算法实现盲均衡器的硬件系统。
For the digital modulation recognizer , the blind identification and equalization algorithm based on second - order statistics is applied to equalize the received signals firstly , and then the modulation type used can be figured out according to the shape of the rebuilt constellation 对于数字调制方式,本文首先采用基于二阶统计量的信道盲均衡算法对接收信号进行均衡,再利用信号星座图的形状判别具体的调制类型。
In addition , for improving system ' s performance , the paper also research on the soft - output viterbi algorithm , especially on m - ary sova . also combining with m - ary sova and our near mlse algorithm , we introduce a soft - output near mlse equalization algorithm 为了进一步提高算法的性能,本文还研究了软输出的viterbi算法,特别是多进制下的sova算法,并将它和本文的均衡算法结合,提出了一种软输出的准mlse均衡算法。