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General Information
    • ISSN: 2010-3719
    • Frequency: Bimonthly
    • DOI: 10.18178/IJIEE
    • Editor-in-Chief: Prof. Chandratilak De Silva Liyanage
    • Associate Executive Editor: Ms. Jennifer Zeng
    • Executive Editor: Mr. Ron C. Wu
    • Abstracting/ Indexing : Google Scholar, Electronic Journals Library, Crossref and ProQuest, Ei (INSPEC, IET).
    • E-mail ijiee@ejournal.net

Faculty of Science, University of Brunei Darussalam, Brunei Darussalam   
" It is a great honor to serve as the editor-in-chief of IJIEE. I'll work together with the editorial team. Hopefully, IJIEE will be recognized among the readers in the related field."
IJIEE 2014 Vol.4(5): 375-379 ISSN: 2010-3719
DOI: 10.7763/IJIEE.2014.V4.467

An Iterative Parameters Estimation Method for Hyperbolic Frequency Modulated Signals with Colored Noise

Shuai Yao and Shiliang Fang
Abstract— This paper presents an iterative method for estimating the starting frequency and period slope of hyperbolic frequency modulated (HFM) signals with underwater acoustic platform colored noise. The method involves, firstly, whitening of the colored noise and, secondly, instantaneous frequency (IF) estimation of HFM signals based on the peak of short-time Fourier transform (STFT) and taking reciprocal of the estimated IF to get the zero crossing interval (ZCI). Parameters estimation of HFM signals is then achieved by using iteratively reweighted least squares (IRLS) linear fitting method to fit the ZCI. The main contributions of our work are three-fold: (1) A simple and effective method is proposed to whiten the underwater acoustic platform colored noise; (2) A complex nonlinear problem is transformed into a linear one by the proposed parameters estimation method; (3) The proposed method is applicable for the practical engineering applications.

Index Terms— Colored noise, hyperbolic frequency modulated signals, short-time fourier transforms, iteratively reweighted least squares.

Shuai Yao and Shiliang Fang are with Southeast University, Nanjing, China (e-mail: yaoshuai@ 126.com).


Cite: Shuai Yao and Shiliang Fang, " An Iterative Parameters Estimation Method for Hyperbolic Frequency Modulated Signals with Colored Noise," International Journal of Information and Electronics Engineering vol. 4, no. 5, pp. 375-379, 2014.

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