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    • 1. 发明申请
    • COMBINING INFORMATION FROM PARALLEL SERVO CHANNELS
    • 从并行伺服通道组合信息
    • US20110007418A1
    • 2011-01-13
    • US12878722
    • 2010-09-09
    • Nhan BuiGiovanni CherubiniRoy D. CideciyanRobert A. HutchinsJens JelittoKazuhiro Tsuruta
    • Nhan BuiGiovanni CherubiniRoy D. CideciyanRobert A. HutchinsJens JelittoKazuhiro Tsuruta
    • G11B5/584
    • G11B5/584
    • A weighted combining scheme exploits information from two servo channels operating in parallel. A timing-based servo module comprises two synchronous servo channels coupled respectively to receive two digital servo signals read from a data tape. Both channels have outputs for an unweighted parameter estimate and for a measure of the channel reliability. A weight computation module provides first and second weight signals using the measures of channel reliability from the servo channels. An offset computation module provides first and second offset terms which are summed with the unweighted parameter estimates. Multiplying nodes receive the unweighted parameter estimates and the weight signals and outputs offset weighted parameter estimates. A summing node receives the offset weighted parameter estimates and outputs a combined offset weighted parameter estimate to a servomechanism.
    • 加权组合方案利用来自并行操作的两个伺服通道的信息。 基于定时的伺服模块包括分别耦合的两个同步伺服通道,以接收从数据磁带读取的两个数字伺服信号。 两个通道具有未加权参数估计的输出和通道可靠性的度量。 权重计算模块使用来自伺服信道的信道可靠性的测量来提供第一和第二加权信号。 偏移计算模块提供与未加权参数估计相加的第一和第二偏移项。 乘法节点接收未加权的参数估计和权重信号并输出​​偏移加权参数估计。 求和节点接收偏移加权参数估计,并将组合的偏移加权参数估计输出到伺服机构。
    • 2. 发明申请
    • COMBINING INFORMATION FROM PARALLEL SERVO CHANNELS
    • 从并行伺服通道组合信息
    • US20100226037A1
    • 2010-09-09
    • US12400369
    • 2009-03-09
    • Nhan BuiGiovanni CherubiniRoy D. CideciyanRobert A. HutchinsJens JelittoKazuhiro Tsuruta
    • Nhan BuiGiovanni CherubiniRoy D. CideciyanRobert A. HutchinsJens JelittoKazuhiro Tsuruta
    • G11B5/596G11B5/584
    • G11B5/584
    • A weighted combining scheme exploits information from two servo channels operating in parallel. A timing-based servo module servo module comprises two servo channels coupled respectively to receive two digital servo signals read from a data tape. Both channels have outputs for an unweighted metric and for a measure of the channel reliability. A weight computation module provides first and second weight signals using the measures of channel reliability from the servo channels. A first multiplying node receives a first unweighted metric and a first weight signal and is operable to output a first weighted metric. A second multiplying node receives a second unweighted metric and a second weight signal and outputs a second weighted metric. A summing node receives the first and second weighted metrics and outputs a combined weighted metric to an LPOS word decoder.
    • 加权组合方案利用来自并行操作的两个伺服通道的信息。 基于定时的伺服模块伺服模块包括分别耦合的两个伺服通道,以接收从数据磁带读取的两个数字伺服信号。 两个通道都具有未加权度量的输出和通道可靠性的度量。 权重计算模块使用来自伺服信道的信道可靠性的测量来提供第一和第二加权信号。 第一乘法节点接收第一未加权度量和第一加权信号,并且可操作以输出第一加权度量。 第二乘法节点接收第二未加权度量和第二加权信号并输出​​第二加权度量。 求和节点接收第一和第二加权度量,并将组合加权度量输出到LPOS字解码器。
    • 4. 发明申请
    • COMBINING INFORMATION FROM PARALLEL SERVO CHANNELS
    • 从并行伺服通道组合信息
    • US20100328803A1
    • 2010-12-30
    • US12878704
    • 2010-09-09
    • Nhan BuiGiovanni CherubiniRoy D. CideciyanRobert A. HutchinsJens JelittoKazuhiro Tsuruta
    • Nhan BuiGiovanni CherubiniRoy D. CideciyanRobert A. HutchinsJens JelittoKazuhiro Tsuruta
    • G11B5/09
    • G11B5/584
    • A weighted combining scheme exploits information from two servo channels operating in parallel. A timing-based servo module comprises two synchronous servo channels coupled respectively to receive two digital servo signals read from a data tape. Both channels have outputs for an unweighted parameter estimate and for a measure of the channel reliability. A weight computation module provides first and second weight signals using the measures of channel reliability from the servo channels. An offset computation module provides first and second offset terms which are summed with the unweighted parameter estimates. Multiplying nodes receive the unweighted parameter estimates and the weight signals and outputs offset weighted parameter estimates. A summing node receives the offset weighted parameter estimates and outputs a combined offset weighted parameter estimate to a servomechanism.
    • 加权组合方案利用来自并行操作的两个伺服通道的信息。 基于定时的伺服模块包括分别耦合的两个同步伺服通道,以接收从数据磁带读取的两个数字伺服信号。 两个通道具有未加权参数估计的输出和通道可靠性的度量。 权重计算模块使用来自伺服信道的信道可靠性的测量来提供第一和第二加权信号。 偏移计算模块提供与未加权参数估计相加的第一和第二偏移项。 乘法节点接收未加权的参数估计和权重信号并输出​​偏移加权参数估计。 求和节点接收偏移加权参数估计,并将组合的偏移加权参数估计输出到伺服机构。
    • 5. 发明授权
    • Combining information from parallel servo channels
    • 组合来自并行伺服通道的信息
    • US07839599B2
    • 2010-11-23
    • US12400420
    • 2009-03-09
    • Nhan X. BuiGiovanni CherubiniRoy D. CideciyanRobert A. HutchinsJens JelittoKazuhiro Tsuruta
    • Nhan X. BuiGiovanni CherubiniRoy D. CideciyanRobert A. HutchinsJens JelittoKazuhiro Tsuruta
    • G11B5/584G11B21/02
    • G11B5/584
    • A weighted combining scheme exploits information from two servo channels operating in parallel. A timing-based servo module comprises two synchronous servo channels coupled respectively to receive two digital servo signals read from a data tape. Both channels have outputs for an unweighted parameter estimate and for a measure of the channel reliability. A weight computation module provides first and second weight signals using the measures of channel reliability from the servo channels. An offset computation module provides first and second offset terms which are summed with the unweighted parameter estimates. Multiplying nodes receive the unweighted parameter estimates and the weight signals and outputs offset weighted parameter estimates. A summing node receives the offset weighted parameter estimates and outputs a combined offset weighted parameter estimate to a servomechanism.
    • 加权组合方案利用来自并行运行的两个伺服通道的信息。 基于定时的伺服模块包括分别耦合的两个同步伺服通道,以接收从数据磁带读取的两个数字伺服信号。 两个通道具有未加权参数估计的输出和通道可靠性的度量。 权重计算模块使用来自伺服信道的信道可靠性的测量来提供第一和第二加权信号。 偏移计算模块提供与未加权参数估计相加的第一和第二偏移项。 乘法节点接收未加权的参数估计和权重信号并输出​​偏移加权参数估计。 求和节点接收偏移加权参数估计,并将组合的偏移加权参数估计输出到伺服机构。
    • 6. 发明授权
    • Combining information from parallel servo channels
    • 组合来自并行伺服通道的信息
    • US08023223B2
    • 2011-09-20
    • US12878722
    • 2010-09-09
    • Nhan X. BuiGiovanni CherubiniRoy D. CideciyanRobert A. HutchinsJens JelittoKazuhiro Tsuruta
    • Nhan X. BuiGiovanni CherubiniRoy D. CideciyanRobert A. HutchinsJens JelittoKazuhiro Tsuruta
    • G11B5/584G11B21/02
    • G11B5/584
    • A weighted combining scheme exploits information from two servo channels operating in parallel. A timing-based servo module comprises two synchronous servo channels coupled respectively to receive two digital servo signals read from a data tape. Both channels have outputs for an unweighted parameter estimate and for a measure of the channel reliability. A weight computation module provides first and second weight signals using the measures of channel reliability from the servo channels. An offset computation module provides first and second offset terms which are summed with the unweighted parameter estimates. Multiplying nodes receive the unweighted parameter estimates and the weight signals and outputs offset weighted parameter estimates. A summing node receives the offset weighted parameter estimates and outputs a combined offset weighted parameter estimate to a servomechanism.
    • 加权组合方案利用来自并行操作的两个伺服通道的信息。 基于定时的伺服模块包括分别耦合的两个同步伺服通道,以接收从数据磁带读取的两个数字伺服信号。 两个通道具有未加权参数估计的输出和通道可靠性的度量。 权重计算模块使用来自伺服信道的信道可靠性的测量来提供第一和第二加权信号。 偏移计算模块提供与未加权参数估计相加的第一和第二偏移项。 乘法节点接收未加权的参数估计和权重信号并输出​​偏移加权参数估计。 求和节点接收偏移加权参数估计,并将组合的偏移加权参数估计输出到伺服机构。
    • 8. 发明授权
    • Combining information from parallel servo channels
    • 组合来自并行伺服通道的信息
    • US07982988B2
    • 2011-07-19
    • US12400369
    • 2009-03-09
    • Nhan X. BuiGiovanni CherubiniRoy D. CideciyanRobert A. HutchinsJens JelittoKazuhiro Tsuruta
    • Nhan X. BuiGiovanni CherubiniRoy D. CideciyanRobert A. HutchinsJens JelittoKazuhiro Tsuruta
    • G11B27/36G11B5/584
    • G11B5/584
    • A weighted combining scheme exploits information from two servo channels operating in parallel. A timing-based servo module servo module comprises two servo channels coupled respectively to receive two digital servo signals read from a data tape. Both channels have outputs for an unweighted metric and for a measure of the channel reliability. A weight computation module provides first and second weight signals using the measures of channel reliability from the servo channels. A first multiplying node receives a first unweighted metric and a first weight signal and is operable to output a first weighted metric. A second multiplying node receives a second unweighted metric and a second weight signal and outputs a second weighted metric. A summing node receives the first and second weighted metrics and outputs a combined weighted metric to an LPOS word decoder.
    • 加权组合方案利用来自并行操作的两个伺服通道的信息。 基于定时的伺服模块伺服模块包括分别耦合的两个伺服通道,以接收从数据磁带读取的两个数字伺服信号。 两个通道都具有未加权度量的输出和通道可靠性的度量。 权重计算模块使用来自伺服信道的信道可靠性的测量来提供第一和第二加权信号。 第一乘法节点接收第一未加权度量和第一加权信号,并且可操作以输出第一加权度量。 第二乘法节点接收第二未加权度量和第二加权信号并输出​​第二加权度量。 求和节点接收第一和第二加权度量,并将组合加权度量输出到LPOS字解码器。