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91 条记录 (耗时 0.025 秒)

    Systems and methods for track width determination
    18.
    发明授权
    Systems and methods for track width determination 有权
    轨道宽度确定的系统和方法

    公开(公告)号：US08854752B2

    公开(公告)日：2014-10-07

    申请号：US13100063

    申请日：2011-05-03

    申请人： Ming Jin ,  Haitao Xia

    发明人： Ming Jin ,  Haitao Xia

    IPC分类号： G11B27/36 ,  G11B19/04 ,  G11B20/22

    CPC分类号： G11B27/36 ,  G11B19/045 ,  G11B20/22 ,  G11B2220/2516

    摘要： Various embodiments of the present invention provide systems and methods for read sensor characterization. As an example, a data storage device is disclosed that includes a storage medium, a read/write head assembly disposed in relation to the storage medium, and a track width setting circuit. The track width setting circuit is operable to: write data to at least a first track and a second track on the storage medium, read data from the second track, determine an estimated track offset where interference from the data written to the first track is insubstantial, and modify at least the second track width based at least in part on the estimated track offset. The first track is a first track width and the second track is a second track width.

    摘要翻译： 本发明的各种实施例提供用于读取传感器表征的系统和方法。 作为示例，公开了包括存储介质，相对于存储介质设置的读/写头组件和轨道宽度设置电路的数据存储设备。 轨道宽度设置电路可操作用于：将数据写入存储介质上的至少第一磁道和第二磁道，从第二磁道读取数据，确定估计的磁道偏移量，其中写入第一磁道的数据的干扰是非实质的 并且至少部分地基于估计的轨道偏移来修改至少第二轨道宽度。 第一轨道是第一轨道宽度，第二轨道是第二轨道宽度。

    Systems and Methods for Early Stage Noise Compensation in a Detection Channel
    19.
    发明申请
    Systems and Methods for Early Stage Noise Compensation in a Detection Channel 审中-公开
    检测通道中早期噪声补偿的系统和方法

    公开(公告)号：US20130024163A1

    公开(公告)日：2013-01-24

    申请号：US13186251

    申请日：2011-07-19

    申请人： Haitao Xia ,  Shaohua Yang ,  Ming Jin

    发明人： Haitao Xia ,  Shaohua Yang ,  Ming Jin

    IPC分类号： G06F15/00

    CPC分类号： G11B20/10203 ,  G11B20/10296 ,  G11B2220/2516

    摘要： Various embodiments of the present invention provide data processing circuits that include: a data detector circuit, a data decoder circuit, and a modification circuit. The data detector circuit is operable to apply a data detection algorithm to a data input to yield a detected output. The data decoder circuit is operable to apply a data decode algorithm to a decode input to yield a decoded output. The decode input is selected between at least the detected output, and a modified version of the detected output. The modification circuit is operable to receive the detected output and to provide the modified version of the detected output.

    摘要翻译： 本发明的各种实施例提供数据处理电路，其包括：数据检测器电路，数据解码器电路和修改电路。 数据检测器电路可操作以将数据检测算法应用于数据输入以产生检测到的输出。 数据解码器电路可操作以将数据解码算法应用于解码输入以产生解码输出。 在至少检测到的输出和检测到的输出的修改版本之间选择解码输入。 修改电路可操作以接收所检测的输出并提供所检测输出的修改版本。

    Systems and methods for SNR measurement using equalized data
    20.
    发明授权
    Systems and methods for SNR measurement using equalized data 有权
    使用均衡数据进行SNR测量的系统和方法

    公开(公告)号：US08929017B2

    公开(公告)日：2015-01-06

    申请号：US13316953

    申请日：2011-12-12

    申请人： Haitao Xia ,  Ming Jin ,  Dahua Qin ,  Shaohua Yang

    发明人： Haitao Xia ,  Ming Jin ,  Dahua Qin ,  Shaohua Yang

    IPC分类号： G11B5/035 ,  G11B5/596 ,  G11B20/10

    CPC分类号： G11B5/59605 ,  G11B5/035 ,  G11B5/09 ,  G11B5/59622 ,  G11B20/10046 ,  G11B2220/415

    摘要： Various embodiments of the present invention provide systems and methods for data processing. For example, a data processing system is discussed that includes: an equalizer circuit, a signal to noise ratio calculation circuit, and a parameter adjustment circuit. The equalizer circuit is operable to equalize a data input to yield an equalized output. The signal to noise ratio calculation circuit is operable to calculate a signal to noise ratio of the equalized output based at least in part on a noise power derived from the equalized output. The parameter adjustment circuit is operable to adjust a parameter based at least in part on the signal to noise ratio.

    摘要翻译： 本发明的各种实施例提供了用于数据处理的系统和方法。 例如，讨论了包括均衡器电路，信噪比计算电路和参数调整电路的数据处理系统。 均衡器电路可操作以均衡数据输入以产生均衡的输出。 信噪比计算电路可用于至少部分地基于从均衡输出得到的噪声功率来计算均衡输出的信噪比。 参数调整电路可操作以至少部分地基于信噪比来调整参数。