Soft decision assisted equalizer adaptation
    1.
    发明授权
    Soft decision assisted equalizer adaptation 有权
    软决策辅助均衡器适应

    公开(公告)号:US09288084B1

    公开(公告)日:2016-03-15

    申请号:US14259338

    申请日:2014-04-23

    Abstract: A data processing system includes an equalizer circuit operable to equalize digital data according to tap coefficients to yield equalized data, a tap coefficient adaptation circuit operable to adapt the tap coefficients based at least in part on a scaled error signal, a data detector operable to apply a data detection algorithm to the digital data to generate hard decisions and soft decisions, an error calculation circuit operable to calculate an error signal based on the equalized data and on the hard decisions, and a scaling circuit operable to scale the error signal based on the soft decisions to yield the scaled error signal.

    Abstract translation: 数据处理系统包括均衡器电路,其可操作以根据抽头系数对数字数据进行均衡以产生均衡的数据;抽头系数适配电路,用于至少部分地基于缩放的误差信号来调整抽头系数;数据检测器,可操作以应用 用于产生硬判决和软决策的数据检测算法,用于基于均衡数据和硬判决来计算误差信号的误差计算电路,以及可用于根据所述硬判决来缩放误差信号的缩放电路 产生缩放误差信号的软判决。

    Systems and methods for ATI characterization
    2.
    发明授权
    Systems and methods for ATI characterization 有权
    ATI表征的系统和方法

    公开(公告)号:US09281006B2

    公开(公告)日:2016-03-08

    申请号:US14148407

    申请日:2014-01-06

    CPC classification number: G11B20/10046 G11B20/10212

    Abstract: Systems, methods, devices, circuits for data processing, and more particularly to data processing including adjacent track interference detection and/or characterization.

    Abstract translation: 用于数据处理的系统,方法,设备,电路,更具体地涉及包括相邻轨道干扰检测和/或表征的数据处理。

    Systems and Methods for Processing Data With Linear Phase Noise Predictive Filter
    4.
    发明申请
    Systems and Methods for Processing Data With Linear Phase Noise Predictive Filter 有权
    用线性相位噪声预测滤波器处理数据的系统和方法

    公开(公告)号:US20140334028A1

    公开(公告)日:2014-11-13

    申请号:US13912171

    申请日:2013-06-06

    Abstract: Systems, methods, devices, circuits for data processing, and more particularly to systems and methods for data processing with a linear phase noise predictive filter. A data processing system includes an equalizer circuit operable to filter a digital data input to yield equalized data, a linear phase noise predictive finite impulse response filter operable to filter the equalized data to yield filtered data, and a data detector circuit operable to apply a data detection algorithm to the filtered data to yield a detected output. The greatest tap coefficient for the linear phase noise predictive finite impulse response filter is at a center tap.

    Abstract translation: 用于数据处理的系统,方法,设备,电路,更具体地涉及用于使用线性相位噪声预测滤波器进行数据处理的系统和方法。 数据处理系统包括均衡器电路,可操作以对数字数据输入进行滤波以产生均衡的数据;线性相位噪声预测有限脉冲响应滤波器,可操作以对均衡的数据进行滤波以产生滤波后的数据;以及数据检测器电路,可操作以应用数据 检测算法对滤波后的数据产生检测输出。 线性相位噪声预测有限脉冲响应滤波器的最大抽头系数位于中心抽头。

    Systems and Methods for ATI Characterization
    7.
    发明申请
    Systems and Methods for ATI Characterization 有权
    ATI表征的系统和方法

    公开(公告)号:US20150170706A1

    公开(公告)日:2015-06-18

    申请号:US14148407

    申请日:2014-01-06

    CPC classification number: G11B20/10046 G11B20/10212

    Abstract: Systems, methods, devices, circuits for data processing, and more particularly to data processing including adjacent track interference detection and/or characterization.

    Abstract translation: 用于数据处理的系统,方法,设备,电路,更具体地涉及包括相邻轨道干扰检测和/或表征的数据处理。

    Systems and Methods for Multi-Level Encoding and Decoding
    10.
    发明申请
    Systems and Methods for Multi-Level Encoding and Decoding 有权
    多级编码和解码的系统和方法

    公开(公告)号:US20150062734A1

    公开(公告)日:2015-03-05

    申请号:US14015126

    申请日:2013-08-30

    Inventor: Lu Pan Lu Lu Haitao Xia

    CPC classification number: G11B5/09 G11B5/012 G11B20/1833

    Abstract: A storage system includes a storage medium operable to maintain a data set, a read/write head assembly operable to write the data set to the storage medium and to read the data set from the storage medium, a multi-level encoder operable to encode the data set at a plurality of different code rates before it is written to the storage medium, and a multi-level decoder operable to decode the data set retrieved from the storage medium and to apply decoded values encoded at a lower code rate when decoding values encoded at a higher code rate.

    Abstract translation: 存储系统包括可操作以维持数据组的存储介质,可操作以将数据集写入存储介质并从存储介质读取数据集的读/写头组件,可操作以对存储介质进行编码的多电平编码器 数据在被写入存储介质之前以多种不同的代码率进行设置;以及多级解码器,其可操作以对从存储介质检索的数据集进行解码,并且在解码编码的值时应用以较低码率编码的解码值 以更高的代码率。

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