Calibration procedure of a microwave total-power radiometer

被引：9

作者：

Al-Ansari, K ^{[1
]}

Garcia, P ^{[1
]}

Riera, JM ^{[1
]}

Benarroch, A ^{[1
]}

Fernandez, D ^{[1
]}

Fernandez, L ^{[1
]}

机构：

[1] Univ Politecn Madrid, ETSI Telecomunicac, Madrid, Spain

来源：

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2002年 / 12卷 / 03期

关键词：

millimeter wave propagation; radiometer calibration; radiometry;

D O I：

10.1109/7260.989862

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A total-power radiometer built in combination with a beacon receiver is being used for low-level attenuation measurements. This experimental receiver was built to measure atmospheric propagation impairments, using the ITALSAT satellite 50-GHz signal. The radiometer is mainly used to provide the reference level for the beacon measurements. Its precision should be better than 3 K, for low attenuation levels, in order to have 0.1-dB accuracy in the attenuation measurements. A suitable calibration procedure is described in this letter.

引用

页码：93 / 95

页数：3

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