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公开(公告)号:US20100256955A1
公开(公告)日:2010-10-07
申请号:US12418645
申请日:2009-04-06
IPC分类号: G06F15/00
摘要: A method is provided for de-embedding measurements from a given network containing mixtures of devices with known and unknown S-parameters given a description of the network and the known S-parameters of the overall system.
摘要翻译: 提供了一种方法,用于在给定网络的描述和整个系统的已知S参数的情况下,从包含具有已知和未知S参数的设备的混合物的给定网络中解嵌测量。
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公开(公告)号:US20110191054A1
公开(公告)日:2011-08-04
申请号:US13017360
申请日:2011-01-31
IPC分类号: G06F19/00
CPC分类号: G01R35/005 , G06F19/00
摘要: An apparatus for measuring s-parameters using as few as one pulser and two samplers is described. The apparatus calibrates itself automatically using the internal calibration standards.
摘要翻译: 描述了使用少至一个脉冲发生器和两个采样器来测量s参数的装置。 该设备使用内部校准标准自动校准自身。
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公开(公告)号:US08566058B2
公开(公告)日:2013-10-22
申请号:US12418645
申请日:2009-04-06
摘要: A method is provided for de-embedding measurements from a given network containing mixtures of devices with known and unknown S-parameters given a description of the network and the known S-parameters of the overall system.
摘要翻译: 提供了一种方法,用于在给定网络描述和整个系统的已知S参数的情况下,从包含具有已知和未知S参数的设备的混合物的给定网络中去包含测量值。
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公开(公告)号:US20110191046A1
公开(公告)日:2011-08-04
申请号:US13017394
申请日:2011-01-31
IPC分类号: G06F19/00
摘要: A method and apparatus are provided for calculating s-parameters of a device under test from step waveforms acquired by a time domain network analyzer.
摘要翻译: 提供了一种用于从由时域网络分析器获取的步骤波形计算被测器件的s参数的方法和装置。
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公开(公告)号:US08659315B2
公开(公告)日:2014-02-25
申请号:US13438955
申请日:2012-04-04
申请人: Peter J Pupalaikis , Kaviyesh Doshi
发明人: Peter J Pupalaikis , Kaviyesh Doshi
IPC分类号: G01R31/26
CPC分类号: G01R31/2818
摘要: A method is provided which measures PCB trace characteristics from measurements of a PCB trace structure.
摘要翻译: 提供了一种从PCB轨迹结构的测量中测量PCB走线特性的方法。
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公开(公告)号:US08843335B2
公开(公告)日:2014-09-23
申请号:US12890832
申请日:2010-09-27
摘要: A method and apparatus are provided for the removal of significant broad-band noise from waveforms acquired for time domain network analysis. The method may include the steps of providing the noisy waveform as an input waveform, determining a frequency domain noise shape associated with the input waveform, calculating a wavelet domain noise shape from the frequency domain noise shape, calculating a discrete wavelet transform of the input waveform to form a wavelet domain waveform, and estimating the noise statistics from the wavelet domain waveform. A threshold may be calculated from the estimated noise statistics and the wavelet domain noise shape, and the threshold may be applied to the wavelet domain waveform to form a denoised wavelet domain waveform. Finally, an inverse discrete wavelet transform of the denoised wavelet domain waveform may be calculated to form a denoised waveform.
摘要翻译: 提供了一种方法和装置,用于从为时域网络分析获得的波形中去除显着的宽带噪声。 该方法可以包括以下步骤:提供噪声波形作为输入波形,确定与输入波形相关联的频域噪声形状,从频域噪声形状计算小波域噪声形状,计算输入波形的离散小波变换 形成小波域波形,并从小波域波形估计噪声统计。 可以从估计的噪声统计和小波域噪声形状计算阈值,并且可以将阈值应用于小波域波形以形成去噪小波域波形。 最后,可以计算去噪小波域波形的逆离散小波变换,以形成去噪波形。
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公开(公告)号:US08706438B2
公开(公告)日:2014-04-22
申请号:US13017360
申请日:2011-01-31
IPC分类号: G06F19/00
CPC分类号: G01R35/005 , G06F19/00
摘要: An apparatus for measuring s-parameters using as few as one pulser and two samplers is described. The apparatus calibrates itself automatically using the internal calibration standards.
摘要翻译: 描述了使用少至一个脉冲发生器和两个采样器来测量s参数的装置。 该设备使用内部校准标准自动校准自身。
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公开(公告)号:US08706433B2
公开(公告)日:2014-04-22
申请号:US13017394
申请日:2011-01-31
IPC分类号: G01R13/00
摘要: A method and apparatus are provided for calculating s-parameters of a device under test from step waveforms acquired by a time domain network analyzer.
摘要翻译: 提供了一种用于从由时域网络分析器获取的步骤波形计算被测器件的s参数的方法和装置。
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公开(公告)号:US20130265079A1
公开(公告)日:2013-10-10
申请号:US13438955
申请日:2012-04-04
IPC分类号: G01R31/28
CPC分类号: G01R31/2818
摘要: A method is provided which measures PCB trace characteristics from measurements of a PCB trace structure.
摘要翻译: 提供了一种从PCB轨迹结构的测量中测量PCB走线特性的方法。
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公开(公告)号:US20110191047A1
公开(公告)日:2011-08-04
申请号:US12890832
申请日:2010-09-27
摘要: A method and apparatus are provided for the removal of significant broadband noise from waveforms acquired for time domain network analysis.
摘要翻译: 提供了一种方法和装置,用于从为时域网络分析获得的波形中消除显着的宽带噪声。
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