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1. 发明授权

US08929017B2 Systems and methods for SNR measurement using equalized data 有权
标题翻译：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。

2. 发明申请

US20130148233A1 Systems and Methods for SNR Measurement Using Equalized Data 有权
标题翻译：使用均衡数据进行SNR测量的系统和方法
公开(公告)号：US20130148233A1
公开(公告)日：2013-06-13
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： H03H7/30 , G11B5/035
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。

3. 发明授权

US08773811B2 Systems and methods for zone servo timing gain recovery 有权
标题翻译：区域伺服定时增益恢复的系统和方法
公开(公告)号：US08773811B2
公开(公告)日：2014-07-08
申请号：US13316899
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： G11B5/54
CPC分类号： G11B5/59688 , G11B5/59622
摘要： Various embodiments of the present invention provide systems and methods for data processing. As an example, a data processing system is disclosed that includes Various embodiments of the present invention provide data processing systems that include an analog to digital converter circuit and a phase and gain computation circuit. The analog to digital converter circuit is operable to convert an analog input into a series of digital samples. At least a portion of the series of digitals samples represent a periodic signal from a servo data region. The phase and gain computation circuit is operable to: determine an approximate amplitude of the periodic signal based at least in part upon the digital samples representing the periodic signal from the servo data region; determine a gain based at least in part on the approximate amplitude; and determine a phase based at least in part on the approximate amplitude.
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。作为示例，公开了一种数据处理系统，其包括本发明的各种实施例，其提供包括模数转换器电路和相位和增益计算电路的数据处理系统。模数转换器电路可操作以将模拟输入转换为一系列数字采样。一系列数字采样的至少一部分表示来自伺服数据区的周期性信号。相位和增益计算电路可操作以：至少部分地基于表示来自伺服数据区域的周期信号的数字采样来确定周期信号的近似幅度; 至少部分地基于近似幅度确定增益; 并且至少部分地基于近似幅度来确定相位。

4. 发明申请

US20130148226A1 Systems and Methods for Zone Servo Timing Gain Recovery 有权
标题翻译：区域伺服定时增益恢复系统与方法
公开(公告)号：US20130148226A1
公开(公告)日：2013-06-13
申请号：US13316899
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： G11B5/09
CPC分类号： G11B5/59688 , G11B5/59622
摘要： Various embodiments of the present invention provide systems and methods for data processing. As an example, a data processing system is disclosed that includes Various embodiments of the present invention provide data processing systems that include an analog to digital converter circuit and a phase and gain computation circuit. The analog to digital converter circuit is operable to convert an analog input into a series of digital samples. At least a portion of the series of digitals samples represent a periodic signal from a servo data region. The phase and gain computation circuit is operable to: determine an approximate amplitude of the periodic signal based at least in part upon the digital samples representing the periodic signal from the servo data region; determine a gain based at least in part on the approximate amplitude; and determine a phase based at least in part on the approximate amplitude.
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。作为示例，公开了一种数据处理系统，其包括本发明的各种实施例，其提供包括模数转换器电路和相位和增益计算电路的数据处理系统。模数转换器电路可操作以将模拟输入转换为一系列数字采样。一系列数字采样的至少一部分表示来自伺服数据区的周期性信号。相位和增益计算电路可操作以：至少部分地基于表示来自伺服数据区域的周期信号的数字采样来确定周期信号的近似幅度; 至少部分地基于近似幅度确定增益; 并且至少部分地基于近似幅度来确定相位。

5. 发明授权

US08749907B2 Systems and methods for adaptive decoder message scaling 有权
标题翻译：自适应解码器消息缩放的系统和方法
公开(公告)号：US08749907B2
公开(公告)日：2014-06-10
申请号：US13372580
申请日：2012-02-14
申请人： Fan Zhang , Ming Jin , Shaohua Yang , Haitao Xia
发明人： Fan Zhang , Ming Jin , Shaohua Yang , Haitao Xia
IPC分类号： G11B20/10
CPC分类号： H03M13/1102 , G11B5/09 , G11B20/10268 , H03M13/1111
摘要： The present inventions are related to systems and methods for data processing, and more particularly to systems and methods for adaptively modifying a scaling factor in a data processing system.
摘要翻译：本发明涉及用于数据处理的系统和方法，更具体地涉及用于在数据处理系统中自适应地修改缩放因子的系统和方法。

6. 发明申请

US20140016220A1 Systems and Methods for Hardware Assisted Write Pre-Compensation Enhancement 有权
标题翻译：硬件辅助写预预补偿系统和方法
公开(公告)号：US20140016220A1
公开(公告)日：2014-01-16
申请号：US13545348
申请日：2012-07-10
申请人： Ming Jin , Shaohua Yang , Haitao Xia , Fan Zhang
发明人： Ming Jin , Shaohua Yang , Haitao Xia , Fan Zhang
IPC分类号： G11B27/36
CPC分类号： G11B20/10305 , G11B5/09 , G11B20/10009
摘要： Various embodiments of the present invention provide systems and methods for calibrating write pre-compensation values.
摘要翻译：本发明的各种实施例提供了用于校准写入预补偿值的系统和方法。

7. 发明申请

US20130021690A1 Systems and Methods for User Data Based Fly Height Calculation 有权
标题翻译：基于用户数据的飞行高度计算系统与方法
公开(公告)号：US20130021690A1
公开(公告)日：2013-01-24
申请号：US13185562
申请日：2011-07-19
申请人： Haitao Xia , George Mathew , Ming Jin , Shaohua Yang
发明人： Haitao Xia , George Mathew , Ming Jin , Shaohua Yang
IPC分类号： G11B21/12 , G11B5/09 , G11B20/18
CPC分类号： G11B5/6029
摘要： Various embodiments of the present invention provide systems and methods for calculating and/or modifying fly height. For example, a circuit for calculating fly height is disclosed that includes: a first pattern detector circuit, a second pattern detector circuit, a first pattern fly height calculation circuit, a second pattern fly height calculation circuit, a first averaging circuit, a second averaging circuit, and a combining circuit.
摘要翻译：本发明的各种实施例提供了用于计算和/或修改飞行高度的系统和方法。例如，公开了一种用于计算飞行高度的电路，其包括：第一模式检测器电路，第二模式检测器电路，第一模式飞行高度计算电路，第二模式飞行高度计算电路，第一平均电路，第二平均电路和组合电路。

8. 发明申请

US20130322578A1 Systems and Methods for Data Processing Including EET Feedback 审中-公开
标题翻译：包括EET反馈的数据处理系统和方法
公开(公告)号：US20130322578A1
公开(公告)日：2013-12-05
申请号：US13483100
申请日：2012-05-30
申请人： Fan Zhang , Chung-Li Wang , Shaohua Yang , Yang Han , Xuebin Wu , Haitao Xia , Ming Jin
发明人： Fan Zhang , Chung-Li Wang , Shaohua Yang , Yang Han , Xuebin Wu , Haitao Xia , Ming Jin
IPC分类号： H04L27/06
CPC分类号： H03M13/6331 , H03M13/1111 , H03M13/1128 , H03M13/1515 , H03M13/2957 , H04L1/005 , H04L25/061 , H04L25/067
摘要： The present invention is related to systems and methods for data processing system characterization.
摘要翻译：本发明涉及用于数据处理系统表征的系统和方法。

9. 发明申请

US20130024163A1 Systems and Methods for Early Stage Noise Compensation in a Detection Channel 审中-公开
标题翻译：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。

10. 发明授权

US08773788B2 Systems and methods for hardware assisted write pre-compensation enhancement 有权
标题翻译：用于硬件辅助写入预补偿增强的系统和方法
公开(公告)号：US08773788B2
公开(公告)日：2014-07-08
申请号：US13545348
申请日：2012-07-10
申请人： Ming Jin , Shaohua Yang , Haitao Xia , Fan Zhang
发明人： Ming Jin , Shaohua Yang , Haitao Xia , Fan Zhang
IPC分类号： G11B27/36 , G11B5/00
CPC分类号： G11B20/10305 , G11B5/09 , G11B20/10009
摘要： Various embodiments of the present invention provide systems and methods for calibrating write pre-compensation values.
摘要翻译：本发明的各种实施例提供了用于校准写入预补偿值的系统和方法。

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