自由空间近毫米波功率的绝对测定

1988 18th European Microwave Conference Pub Date : 1988-10-01 DOI:10.1109/EUMA.1988.333898

D. G. Moss, J. Birch, D. H. Martin, G. Poulson

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引用次数: 12

摘要

介绍了一种用于近毫米波自由场功率计标定的绝对功率测量装置。在一毫瓦的水平上，精度为2%，比目前的自由场方法提高了十倍。测量原理基于光声电池，通过低频交流电源替代绝对校准。该校准设备可在英国特丁顿国家物理实验室使用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The Absolute Determination of Near Millimetre Wave Power in Free Space

An absolute power measuring facility for the calibration of free-field power meters at near millimetre wavelengths, is described. Accuracy is two percent at the one milliwatt level, a tenfold improvement over present free field methods. The measuring principle is based on a photo-acoustic cell and is absolutely calibrated by substitution of low frequency a.c. power. This calibration facility is available at the National Physical Laboratory, Teddington, England.

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1988 18th European Microwave Conference

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