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Some effects of error term interpolation on network analyzer uncertainties

机译:误差项插值对网络分析仪不确定性的一些影响

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Practically, many network analyzer measurements (both large signal and small signal) are performed at frequencies other than those where the calibration was performed in order to save time and effort. Typically, the error terms are simply interpolated in some way to calibrate at the new frequencies. Under what circumstances and how this interpolation is done can significantly affect the uncertainties of the measurement. This paper explores the characteristics of this interpolative error and how its impact can sometimes be assessed. Of particular note is that the hardware dependence of this effect is considerably larger than for many other components of uncertainty.
机译:实际上,为了节省时间和精力,许多网络分析仪的测量(大信号和小信号)都是在执行校准的频率之外的其他频率执行的。通常,仅以某种方式对误差项进行内插,以在新频率下进行校准。在什么情况下以及如何进行插值会严重影响测量的不确定性。本文探讨了这种内插误差的特征以及有时如何评估其影响。特别要注意的是,这种影响的硬件依赖性比不确定性的许多其他组件要大得多。

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