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    • 5. 发明授权
    • Zero ampere level current data correction for a power device under test
    • 待测功率器件的零安培电平电流数据校正
    • US08674713B2
    • 2014-03-18
    • US13236562
    • 2011-09-19
    • Tsuyoshi Miyazaki
    • Tsuyoshi Miyazaki
    • G01R1/00G01R13/22
    • G01R13/02G01R13/029G01R31/42
    • An apparatus and method corrects for zero ampere level current fluctuations in a current signal. First and second acquisition circuitry generate respective current and voltage data samples of the current signal. Current fluctuation data samples representative of zero ampere level deviations of the current signal are extracted corresponding to Off-periods of the current signal. The current fluctuation data samples of the Off-periods are interpolated to generate current fluctuation data samples representative of zero ampere level deviations of the On-periods of the current signal. The Off-period and On-period current fluctuation data samples are subtracted from the current data samples of the current signal to generate corrected zero ampere level current data samples.
    • 一种装置和方法可校正电流信号中的零安培电平电流波动。 第一和第二采集电路产生电流信号的相应电流和电压数据采样。 对应于当前信号的关闭周期,提取表示当前信号的零安培电平偏差的电流变动数据样本。 内插关闭周期的当前波动数据样本,以产生表示当前信号的导通周期的零安培电平偏差的电流波动数据采样。 从当前信号的当前数据样本中减去关闭周期和导通周期电流波动数据样本,以产生校正的零安培电平电流数据样本。
    • 8. 发明申请
    • Zero Ampere Level Current Data Correction for a Power Device Under Test
    • 正在测试的电源设备的零安培电平电流数据校正
    • US20120098556A1
    • 2012-04-26
    • US13236562
    • 2011-09-19
    • Tsuyoshi Miyazaki
    • Tsuyoshi Miyazaki
    • G01R31/00
    • G01R13/02G01R13/029G01R31/42
    • An apparatus and method corrects for zero ampere level current fluctuations in a current signal. First and second acquisition circuitry generate respective current and voltage data samples of the current signal. Current fluctuation data samples representative of zero ampere level deviations of the current signal are extracted corresponding to Off-periods of the current signal. The current fluctuation data samples of the Off-periods are interpolated to generate current fluctuation data samples representative of zero ampere level deviations of the On-periods of the current signal. The Off-period and On-period current fluctuation data samples are subtracted from the current data samples of the current signal to generate corrected zero ampere level current data samples.
    • 一种装置和方法可校正电流信号中的零安培电平电流波动。 第一和第二采集电路产生电流信号的相应电流和电压数据采样。 对应于当前信号的关闭周期,提取表示当前信号的零安培电平偏差的电流变动数据样本。 内插关闭周期的当前波动数据样本,以产生表示当前信号的导通周期的零安培电平偏差的电流波动数据采样。 从当前信号的当前数据样本中减去关闭周期和导通周期电流波动数据样本,以产生校正的零安培电平电流数据样本。