Measurements of beam pattern perturbation in corrugated feed horn arrays for CMB observations

被引：0

作者：

D'Arcangelo, O

Garavaglia, S

Simonetto, A

Sozzi, C

Bersanelli, M

Mennella, A

Villa, F

机构：

[1] CNR, Ist Fis Plasma, I-20125 Milan, Italy

[2] Univ Milan, Dipartimento Fis, I-20133 Milan, Italy

[3] CNR, Ist Astrofis Spaziale & Fis Cosm, Sez Milano, I-20133 Milan, Italy

[4] CNR, Ist Astrofis Spaziale & Fis Cosm, Sez Bologna, I-40129 Bologna, Italy

来源：

EXPERIMENTAL ASTRONOMY | 2003年 / 16卷 / 03期

关键词：

beam pattern measurements; corrugated feed horn; Cosmic Microwave Background; mutual coupling;

D O I：

10.1007/s10686-003-2545-4

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

An experimental study on the perturbation of the angular response of a W-band corrugated horn produced by nearby feeds, reproducing a typical situation of multi-feed arrays commonly used in high sensitivity Cosmic Microwave Background instruments, is reported in this paper. The effects for different positions of the scattering horn in the two principal polarisation planes were measured. We analyze the effects on both the side-lobe level and on the main beam. In particular, these results allowed us to validate design criterion for the multi-frequency focal array of the ESA PLANCK mission.

引用

页码：165 / 187

页数：23

共 11 条

[1] Measurements of Beam Pattern Perturbation in Corrugated Feed Horn Arrays for CMB Observations
O. D’arcangelo
S. Garavaglia
A. Simonetto
C. Sozzi
M. Bersanelli
A. Mennella
F. Villa
Experimental Astronomy, 2003, 16 : 165 - 187
[2] A Low-Sidelobe, High Frequency Corrugated Feed Horn for CMB Observations
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E. Mattaini
E. Santambrogio
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F. Gandini
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[3] A low-sidelobe, high frequency corrugated feed horn for CMB observations
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EXPERIMENTAL ASTRONOMY, 1998, 8 (03) : 231 - 238
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