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Comparison of noise figure calibration and measurement techniques using noise figure verification techniques

机译:使用噪声系数验证技术比较噪声系数校准和测量技术

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We perform noise figure calibrations on a noise measurement receiver using the following techniques: A “Y-factor” technique that uses two source impedance states (a characterized “excess” noise source and a low reflection room temperature termination) in both the calibration and the measurement, a “Vector Cold Noise (VCN)” technique that uses multiple room temperature source impedance states in both the calibration and the measurement along with a characterized “excess” noise source in the calibration and a “Scalar Cold Noise” technique that uses the same calibration as the VCN technique, but uses only a low reflection room temperature source impedance state in the measurement. Following each calibration, we verify the calibrations after the method of Randa et al. and present the results along with uncertainties derived from a Monet Carlo simulation
机译:我们使用以下技术在噪声测量接收机上执行噪声系数校准:“ Y因子”技术在校准和校准过程中均使用两个源阻抗状态(特征为“过量”噪声源和低反射室温终端)。测量,“矢量冷噪声(VCN)”技术(在校准和测量中都使用多个室温源阻抗状态)以及特征化的“过量”噪声源(在校准中)以及“标量冷噪声”技术(使用校准与VCN技术相同,但在测量中仅使用低反射室温源阻抗状态。每次校准后,我们​​按照Randa等人的方法验证校准。并给出结果以及从莫奈·卡洛(Monet Carlo)模拟得出的不确定性

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