Accurate measurement of microwave phase-shift from 2 to 18 GHz using heterodyne receiver

Wu T.Y.

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Accurate measurement of microwave phase-shift from 2 to 18 GHz using heterodyne receiver

机译：使用外差接收器准确测量2至18 GHz的微波相移

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摘要

A dual channel phase-shift measurement system from 2 to 18 GHz using heterodyne receivers is described. The calculated phase-shift of a beadless air line has been used to verify this measurement system. The differential phase-shift measurement uncertainty is estimated to be 0.08°-0.31° for a two-port device with variable attenuation from 0 to 140 dB. The phase-shift measurement results of a 0-140 dB step attenuator at 18 GHz are presented.

机译：描述了使用外差接收机的从2至18 GHz的双通道相移测量系统。计算出的无珠空气管路的相移已用于验证该测量系统。对于两端口设备，其可变衰减范围为0至140 dB，差分相移测量不确定度估计为0.08°-0.31°。给出了在18 GHz下0-140 dB步进衰减器的相移测量结果。

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来源
《Electronics Letters》 |2011年第14期|p.802-804|共3页
作者
Wu T.Y.;
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作者单位

Nat. Metrol. Centre, A*STAR, Singapore, Singapore;

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正文语种 eng
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Accurate measurement of microwave phase-shift from 2 to 18 GHz using heterodyne receiver

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