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Supervised by Ministry of Industry and Information Technology of The People's Republic of China Sponsored by Harbin Institute of Technology Editor-in-chief Yu Zhou ISSNISSN 1005-9113 CNCN 23-1378/T

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Related citation:Yu-Ning Zhao,Xiao-Dong Yang,Yun Lin .Parameter Estimation of Linear Frequency Modulated Signals Based on Holder Coefficient[J].Journal of Harbin Institute Of Technology(New Series),2013,20(2):95-98.DOI:10.11916/j.issn.1005-9113.2013.02.018.
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Parameter Estimation of Linear Frequency Modulated Signals Based on Holder Coefficient
Author NameAffiliation
Yu-Ning Zhao College of Information and Communication, Harbin Engineering University, Harbin 150001, China 
Xiao-Dong Yang College of Information and Communication, Harbin Engineering University, Harbin 150001, China 
Yun Lin College of Information and Communication, Harbin Engineering University, Harbin 150001, China 
Abstract:
The current parameter estimation algorithms of chirp rate have high complexity and long calculation time, meantime they are difficult to achieve high estimation rate. Therefore, in order to overcome these problems, in this paper, a new parameter estimation algorithm based on Holder coefficient is presented. Firstly, this algorithm calculates the correlation curve of the Holder coefficient value under different chirp rate. Secondly, this algorithm calculates the correlation curve under different SNR. Finally, the fitting curve expression can be got by the correlation curve, and then the estimation value of chirp rate can also be got. The theory analysis and simulation results show that this algorithm is simple and easy to realize, and has much better application value for real-time estimation.
Key words:  parameter estimation  LFM signal  chirp rate  holder coefficient  correlation curve
DOI：10.11916/j.issn.1005-9113.2013.02.018
Clc Number:TN911.6
Fund:

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