CAS OpenIR  > 中科院上海应用物理研究所2004-2010年
I/Q methods applied to phase detection of RF signals
Liu, YL; Wang, GW; Wang, F(王芳); Liu, YL (reprint author), Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
2006
Source PublicationHIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION
ISSN0254-3052
Volume30Issue:8Pages:780
AbstractPhase detection performs a crucial role in the phase control loop of RF signals in accelerators. This paper presents two methods that apply I/Q technique to phase detection of RF signals. The content includes the study of arithmetic and the setup of systems. The methods are as follows: 1. adopting I/Q demodulator, AD card and the technique of digital processing to detect the phase; 2. direct digital I/Q method. In the former, feasible calibration arithmetic against the inherent error of I/Q demodulators is suggested. In the latter, I and Q signals are generated by modulating the LO signal with a step of (2 pi/N). The phase detection error is below 0.5 degrees by using either of them.
KeywordI/q Demodulator Amplitude Imbalance Phase Imbalance Digital I/q
Subject AreaPhysics
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000239522800016
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/8295
Collection中科院上海应用物理研究所2004-2010年
Corresponding AuthorLiu, YL (reprint author), Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Liu, YL,Wang, GW,Wang, F,et al. I/Q methods applied to phase detection of RF signals[J]. HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,2006,30(8):780.
APA Liu, YL,Wang, GW,Wang, F,&Liu, YL .(2006).I/Q methods applied to phase detection of RF signals.HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,30(8),780.
MLA Liu, YL,et al."I/Q methods applied to phase detection of RF signals".HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION 30.8(2006):780.
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