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Residual errors determination for vector network analyzer at a low resolution in the time domain

机译：时域低分辨率矢量网络分析仪的残留误差确定

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摘要

A method is introduced for determination of a vector network analyzer's calibration residual errors for measurement of the reflection coefficient. The method utilizes unscented Kalman filtering and spline interpolation time domain techniques. All three residual errors are calculated by processing the measured reflection coefficient of a single verification device, such as an air line terminated with a short or open network. The proposed method shows particular advantages when the use of a long verification line is impractical (e.g. at the wafer-level), or for measurements at low frequency ranges or similar cases when the resolution of conventional time domain methods is low. Experimental studies were conducted for two frequency ranges and in coaxial and on-wafer measurement environment. The proposed algorithm is a good candidate for a wide range of practical applications especially for measurement uncertainty estimation of cost-effective vector network analyzers.
机译：介绍了一种确定矢量网络分析仪的校准残留误差以测量反射系数的方法。该方法利用了无味卡尔曼滤波和样条插值时域技术。通过处理单个验证设备（例如以短或开放网络端接的空中线路）的测量反射系数来计算所有三个残留误差。当使用长的验证线是不切实际的时（例如在晶片级上），或者在低频范围内的测量或常规时域方法的分辨率低的类似情况下，所提出的方法显示出特别的优势。在两个频率范围以及同轴和晶圆上测量环境中进行了实验研究。所提出的算法是广泛实际应用的良好候选者，特别是对于经济高效的矢量网络分析仪的测量不确定度估计。

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