Measurements for the performance of the digital autocorrelation spectrometer

CORC > 新疆天文台 > 研究单元未命名 > 射电天文研究室 > 恒星形成与演化研究团组

	Measurements for the performance of the digital autocorrelation spectrometer
	Lu, Fa-Chun; Esimbek, Jarken; Zhou, Jian-Jun; Zheng, Xing-Wu
刊名	CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS
	2007
卷号	7 期号:2 页码:297-303
关键词	instrumentation : spectrometer ISM : molecules radio lines : ISM
ISSN号	1009-9271
通讯作者	lufc@ms. xjb. ac. cn
英文摘要	Injecting phase calibration (PCAL) signals to the feed horn of the observation system and analyzing the output response signals of the spectrometer, we measured the working performance of a 4096-channel digital autocalibration spectrometer. The results demonstrate that the spectrometer has a fine working performance: (1) the channels are distributed uniformly in the spectrometer; (2) line drift produces little effect on the observation results; (3) spectral resolution shows little changes with observation time. The distribution of the frequency resolution in an 80 MHz bandwidth was measured. A trial observation on the two molecular spectral lines of H2CO and H110(alpha) taken with this spectrometer is described.
学科主题	恒星和恒星物理
WOS标题词	Science & Technology ; Physical Sciences
类目[WOS]	Astronomy & Astrophysics
研究领域[WOS]	Astronomy & Astrophysics
收录类别	SCI
资助信息	National Natural Science Foundation of China (Grant Nos. 10203003 and 10073004); supported by the Program of the Light in China’sWestern Region (LCRW) under Grant No. RCPY200605
原文出处	http://www.chjaa.org
语种	英语
WOS记录号	WOS:000246129300014
公开日期	2013-03-06
内容类型	期刊论文
源URL	[http://ir.xao.ac.cn/handle/45760611-7/33]
专题	恒星形成与演化研究团组新疆天文台_射电天文研究室研究生
作者单位	1.Chinese Acad Sci, Natl Astron Observ, Urumqi Observ, Urumqi 830011, Peoples R China 2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China 3.Nanjing Univ, Dept Astron, Nanjing 210093, Peoples R China
推荐引用方式 GB/T 7714	Lu, Fa-Chun,Esimbek, Jarken,Zhou, Jian-Jun,et al. Measurements for the performance of the digital autocorrelation spectrometer[J]. CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,2007,7(2):297-303.
APA	Lu, Fa-Chun,Esimbek, Jarken,Zhou, Jian-Jun,&Zheng, Xing-Wu.(2007).Measurements for the performance of the digital autocorrelation spectrometer.CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,7(2),297-303.
MLA	Lu, Fa-Chun,et al."Measurements for the performance of the digital autocorrelation spectrometer".CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS 7.2(2007):297-303.