公开(公告)号：US20010026582A1

公开(公告)日：2001-10-04

申请号：US09811585

申请日：2001-03-20

Applicant: MATSUSHITA GRAPHIC COMMUNICATION SYSTEMS, INC.

Inventor： Nobuhiko Noma ,  Mikio Mizutani ,  Toshiyuki Ougi

IPC: H04L005/16

CPC classification number: H04L27/2662 ,  H04L27/2607 ,  H04L27/2666 ,  H04L27/2678

Abstract: The present invention calculates a product of the present sampling data by the sampling data 1 data unit ahead through multiplier 14, adds up product values calculated for every sampling by going back to the time point 1 data unit ahead through adder 16 and detects a reference timing with regard to a CP signal using the addition value.

Abstract translation: 本发明通过乘法器14，通过采样数据1数据单元计算当前采样数据的乘积，将通过加法器16返回到前一时间点1数据单元的每个采样计算的乘积值相加，并检测基准定时 关于使用加法值的CP信号。

公开(公告)号：US20010048717A1

公开(公告)日：2001-12-06

申请号：US09861709

申请日：2001-05-22

Applicant: MATSUSHITA GRAPHIC COMMUNICATION SYSTEMS, INC.

Inventor： Toshiyuki Ougi ,  Mikio Mizutani ,  Nobuhiko Noma

IPC: H03K005/159 ,  H03H007/30 ,  H03H007/40

CPC classification number: H04L25/03012 ,  H04L2025/03414 ,  H04L2025/03471 ,  H04L2025/03617

Abstract: A training circuit for training a tap coefficient of an adaptive equalizer that performs error calculations in a training process and updating of the tap coefficient in a time area and thereby makes the tap coefficient converge stably in a short time.

Abstract translation: 一种训练电路，用于训练在训练处理中执行误差计算的自适应均衡器的抽头系数，并且在时间区域中更新抽头系数，从而使抽头系数在短时间内稳定地收敛。