利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

387 条记录 (耗时 0.042 秒)

    Systems and methods for short media defect detection
    21.
    发明授权
    Systems and methods for short media defect detection 有权
    用于短介质缺陷检测的系统和方法

    公开(公告)号：US08887034B2

    公开(公告)日：2014-11-11

    申请号：US13088119

    申请日：2011-04-15

    申请人： Fan Zhang ,  Shaohua Yang

    发明人： Fan Zhang ,  Shaohua Yang

    IPC分类号： G06F7/02 ,  H03M13/00 ,  G06F11/07

    CPC分类号： G06F11/0754

    摘要： Various embodiments of the present invention provide systems and methods for media defect detection. As an example, a data processing circuit is disclosed that includes a defect detector circuit and a comparator circuit. The defect detector circuit is operable to calculate a correlation value combining at least three of a data input derived from a medium, a detector extrinsic output, a detector intrinsic output and a decoder output. The comparator circuit is operable to compare the correlation value to a threshold value and to assert a media defect indicator when the correlation value is less than the threshold value.

    摘要翻译： 本发明的各种实施例提供了用于介质缺陷检测的系统和方法。 作为示例，公开了包括缺陷检测器电路和比较器电路的数据处理电路。 缺陷检测器电路可操作以计算组合从介质导出的数据输入，检测器外在输出，检测器本征输出和解码器输出中的至少三个的相关值。 比较器电路可操作以将相关值与阈值进行比较，并且当相关值小于阈值时断言介质缺陷指示符。

    Systems and methods for improved data detection processing
    22.
    发明授权
    Systems and methods for improved data detection processing 有权
    改进数据检测处理的系统和方法

    公开(公告)号：US08880986B2

    公开(公告)日：2014-11-04

    申请号：US13483105

    申请日：2012-05-30

    申请人： Xuebin Wu ,  Wu Chang ,  Shaohua Yang ,  Fan Zhang

    发明人： Xuebin Wu ,  Wu Chang ,  Shaohua Yang ,  Fan Zhang

    IPC分类号： H03M13/00

    CPC分类号： G11B20/10046 ,  G06F11/008 ,  H04L1/005 ,  H04L25/03012 ,  H04L25/067 ,  H04L2025/03496

    摘要： The present invention is related to systems and methods for enhancing data detection in a data processing system. In one embodiment, a data processing system is disclosed that includes a data detector circuit that is governed at least in part based upon selected coefficients. The selected coefficients are selected as either a first set of coefficients or a second set of coefficients where the second set of coefficients has fewer coefficients than the first set of coefficients.

    摘要翻译： 本发明涉及用于增强数据处理系统中的数据检测的系统和方法。 在一个实施例中，公开了一种数据处理系统，其包括至少部分地基于所选择的系数来管理的数据检测器电路。 选择的系数被选择为第一组系数或第二组系数，其中第二组系数具有比第一组系数更少的系数。

    Memory device having collaborative filtering to reduce noise
    27.
    发明授权
    Memory device having collaborative filtering to reduce noise 失效
    具有协同过滤以减少噪声的存储器件

    公开(公告)号：US08711620B2

    公开(公告)日：2014-04-29

    申请号：US13588043

    申请日：2012-08-17

    申请人： Fan Zhang ,  AbdelHakim S. Alhussien ,  Zongwang Li ,  Erich F. Haratsch

    发明人： Fan Zhang ,  AbdelHakim S. Alhussien ,  Zongwang Li ,  Erich F. Haratsch

    IPC分类号： G11C11/34 ,  G11C16/04 ,  G11C16/06

    CPC分类号： G11C7/02 ,  G11C7/1006 ,  G11C16/26 ,  G11C2029/5002

    摘要： An apparatus is described that is configured to modify a signal to at least substantially remove a noise portion from the signal. In one or more implementations, the apparatus is a collaborative filtering module that is configured to communicatively couple to a memory array having a plurality of memory cell blocks. The memory array is configured to furnish a signal representative of data stored within the plurality of memory cell blocks. The collaborative filtering module is configured to determine a noise distribution associated with the plurality of memory cell blocks and generate a noise prediction, which is based upon the noise distribution, when a read operation for the plurality of memory cell blocks is issued. The collaborative filtering module is also configured to modify the signal utilizing the noise prediction to at least substantially remove noise from the signal.

    摘要翻译： 描述了被配置为修改信号以至少从信号中去除噪声部分的装置。 在一个或多个实现中，该设备是协作过滤模块，其被配置为通信地耦合到具有多个存储器单元块的存储器阵列。 存储器阵列被配置为提供表示存储在多个存储单元块内的数据的信号。 协作过滤模块被配置为当发出多个存储单元块的读取操作时，确定与多个存储器单元块相关联的噪声分布，并产生基于噪声分布的噪声预测。 协同过滤模块还被配置为使用噪声预测来修改信号以至少基本上从信号中去除噪声。