PMO OpenIR  > 毫米波和亚毫米波技术实验室
A new radio spectral receiving system at lambda=13 mm in Urumqi Astronomical Station
Zheng, X; Zhou, Y; Xu, Z; Gong, J; Li, S; Ken, JE
1999-06-01
Source PublicationASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES
ISSN0365-0138
Volume137Issue:3Pages:537-541
AbstractWe describe a new radio spectral receiving system installed on the 25 m radio telescope of the Urumqi Astronomical Station in China. The receiver is conventional cryogenically cooled 22 GHz system, with the front end being a low noise HEMT amplifier. An average noise temperature of the receiver is about 50 K. The back end, however, is less conventional; it is a surface acoustic wave chirp transform spectrometer (SAW CZT), used for the first time in radio astronomy. As the prototype spectrometer, this system has a bandwidth of 40 MHx and 39.06 KHz frequency resolution. The observational results of water vapor masers demonstrate the feasibility of the SAW CZT-based spectrometer as astronomical spectral line observations.
KeywordInstrumentation : Detectors
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Physical Sciences
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000081789100011
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/8301
Collection毫米波和亚毫米波技术实验室
Affiliation1.Nanjing Univ, Dept Astron, Nanjing 210093, Peoples R China
2.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
3.Chinese Acad Sci, Inst Acoust, Beijing 100080, Peoples R China
4.Chinese Acad Sci, Urumqi Astron Stn, Urumqi 830011, Peoples R China
Recommended Citation
GB/T 7714
Zheng, X,Zhou, Y,Xu, Z,et al. A new radio spectral receiving system at lambda=13 mm in Urumqi Astronomical Station[J]. ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES,1999,137(3):537-541.
APA Zheng, X,Zhou, Y,Xu, Z,Gong, J,Li, S,&Ken, JE.(1999).A new radio spectral receiving system at lambda=13 mm in Urumqi Astronomical Station.ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES,137(3),537-541.
MLA Zheng, X,et al."A new radio spectral receiving system at lambda=13 mm in Urumqi Astronomical Station".ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES 137.3(1999):537-541.
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