AMiBA WIDEBAND ANALOG CORRELATOR

被引：17

作者：

Li, Chao-Te ^{[1
]}

Kubo, Derek Y. ^{[1
]}

Wilson, Warwick ^{[2
]}

Lin, Kai-Yang ^{[1
,3
]}

Chen, Ming-Tang ^{[1
]}

Ho, P. T. P. ^{[1
,4
]}

Chen, Chung-Cheng ^{[1
]}

Han, Chih-Chiang ^{[1
]}

Oshiro, Peter ^{[1
]}

Martin-Cocher, Pierre ^{[1
]}

Chang, Chia-Hao ^{[1
]}

Chang, Shu-Hao ^{[1
]}

Altamirano, Pablo ^{[1
]}

Jiang, Homin ^{[1
]}

Chiueh, Tzi-Dar ^{[3
]}

Lien, Chun-Hsien ^{[3
]}

Wang, Huei ^{[3
]}

Wei, Ray-Ming ^{[3
]}

Yang, Chia-Hsiang ^{[3
]}

Peterson, Jeffrey B. ^{[5
]}

Chang, Su-Wei ^{[1
]}

Huang, Yau-De ^{[1
]}

Hwang, Yuh-Jing ^{[1
]}

Kesteven, Michael ^{[2
]}

Koch, Patrick ^{[1
]}

Liu, Guo-Chin ^{[1
,6
]}

Nishioka, Hiroaki ^{[1
]}

Umetsu, Keiichi ^{[1
]}

Wei, Tashun ^{[1
]}

Wu, Jiun-Huei Proty ^{[3
]}

机构：

[1] Acad Sinica, Inst Astron & Astrophys, Taipei 106, Taiwan

[2] Australia Telescope Natl Facil, Epping, NSW 1710, Australia

[3] Natl Taiwan Univ, Taipei 106, Taiwan

[4] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA

[5] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA

[6] Tamkang Univ, Tamsui 25137, Taipei County, Taiwan

来源：

ASTROPHYSICAL JOURNAL | 2010年 / 716卷 / 01期

关键词：

cosmic background radiation; instrumentation: interferometers; telescopes; ARRAY; COSMOLOGY; SYSTEM;

D O I：

10.1088/0004-637X/716/1/746

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A wideband analog correlator has been constructed for the Yuan-Tseh Lee Array for Microwave Background Anisotropy. Lag correlators using analog multipliers provide large bandwidth and moderate frequency resolution. Broadband intermediate frequency distribution, back-end signal processing, and control are described. Operating conditions for optimum sensitivity and linearity are discussed. From observations, a large effective bandwidth of around 10 GHz has been shown to provide sufficient sensitivity for detecting cosmic microwave background variations.

引用

页码：746 / 757

页数：12

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