A two-channel radiometer based on the null measurement method

被引:2
|
作者
Filatov, A. V. [1 ]
Vinokurov, V. M. [1 ]
Misyunas, A. O. [1 ]
机构
[1] Tomsk State Univ Control Syst & Radio Engn, Tomsk 634050, Russia
基金
俄罗斯基础研究基金会;
关键词
07.57.-c; 07.57.Kp; 41.20.-q; 84.40.-x; 84.40.Xb; 84.90.+a;
D O I
10.1134/S0020441209010126
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A two-channel microwave radiometer (with two receivers) for the decimeter wavelength range is described. The null measurement method is realized in this instrument through application of combined pulse (amplitude and pulse-width) modulation. The use of a special algorithm for forming signals controlling the pulse-width modulation in each channel reduces the dynamic errors in tracking the changes in the antenna signal.
引用
收藏
页码:79 / 84
页数:6
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