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首页> 外文期刊>International Journal of Microwave and Wireless Technologies >The accurate comparison (or calibration) of solid-state noise sources made simple
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The accurate comparison (or calibration) of solid-state noise sources made simple

机译：固态噪声源的精确比较（或校准）变得简单

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摘要

The accurate comparison (or calibration) of conventional solid-state noise sources is often thought to be a difficult process that only specialized laboratories can perform. In this paper, the uncertainties due to the impedance differences between the sources and their on and off states are emphasized and a simple formula is developed that makes them negligible. It requires an isolator being used in front of the receiver. In the experimental section, the errors associated with common practice are evidenced and compared to what can be achieved through the correction formula.
机译：传统固态噪声源的准确比较（或校准）通常被认为是只有专门实验室才能执行的困难过程。在本文中，强调了源与源和源与源之间的阻抗差异所引起的不确定性，并开发了一个简单的公式将其忽略不计。它要求在接收器的前面使用隔离器。在实验部分中，将证明与常规做法相关的误差，并将其与通过校正公式可以实现的误差进行比较。

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