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Convergence and stability analysis of a digital automatic gain control
Zhang Mingyang; Wang Zhugang; Xiong Weiming; Zhang, MY (reprint author), Chinese Acad Sci, Ctr Space Sci & Appl Res, Dept Elect, Beijing 100190, Peoples R China.
Department空间技术部
Source PublicationINTERNATIONAL JOURNAL OF ADAPTIVE CONTROL AND SIGNAL PROCESSING
2013
Volume27Issue:12Pages:1118-1128
ISSN0890-6327
Language英语
KeywordAutomatic Gain Control (Agc) Convergence Digital Stability
AbstractThis paper is dedicated to the theoretical analysis of a digital automatic gain control (AGC), which feedbacks according to the desired output direct current (DC). First, we mathematically model the AGC, with the input signal interfered by AWGN. As it turns out, the loop model is a first-order varying-coefficient stochastic difference equation, and its solution consists of two parts, that is, the transient state and the steady state, which respectively explain the convergence and stability of the AGC. As is shown in the paper, the properties of convergence and stability of AGC are mutually contradictory, and both are determined by a key parameter in the loop, and the parameter is defined as the feedback sensitivity of the loop. The results of the paper are validated by numerical simulation, and they are of theoretical guide for practical digital AGC implementation on Application Specific Integrated Chips (ASICs) or Field Programmable Gate Arrays (FPGAs). Copyright (c) 2013 John Wiley & Sons, Ltd.
Indexed BySCI ; EI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5034
Collection空间技术部
Corresponding AuthorZhang, MY (reprint author), Chinese Acad Sci, Ctr Space Sci & Appl Res, Dept Elect, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Zhang Mingyang,Wang Zhugang,Xiong Weiming,et al. Convergence and stability analysis of a digital automatic gain control[J]. INTERNATIONAL JOURNAL OF ADAPTIVE CONTROL AND SIGNAL PROCESSING,2013,27(12):1118-1128.
APA Zhang Mingyang,Wang Zhugang,Xiong Weiming,&Zhang, MY .(2013).Convergence and stability analysis of a digital automatic gain control.INTERNATIONAL JOURNAL OF ADAPTIVE CONTROL AND SIGNAL PROCESSING,27(12),1118-1128.
MLA Zhang Mingyang,et al."Convergence and stability analysis of a digital automatic gain control".INTERNATIONAL JOURNAL OF ADAPTIVE CONTROL AND SIGNAL PROCESSING 27.12(2013):1118-1128.
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