Characteristic function based parameter estimation of skewed alpha-stable distribution: An analytical approach
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- 作者：Mohammadreza Hassannejad Bibalana ; hassannejad@aut.ac.ir" class="auth_mail" title="E-mail the corresponding author ; Hamidreza Amindavara ; hamidami@aut.ac.ir" class="auth_mail" title="E-mail the corresponding author ; Maryam Amirmazlaghanib ; mazlaghani@aut.ac.ir" class="auth_mail" title="E-mail the corresponding author
- 关键词：α-stable distribution ; Parameter estimation ; Characteristic function ; Skewness ; SAR signal
- 刊名：Signal Processing
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：130
- 期：Complete
- 页码：323-336
- 全文大小：2542 K
文摘
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A novel approach for parameter estimation of α-stable distribution.
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Characteristic exponent, skewness, dispersion and location parameters are estimated analytically
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Two points of CF are utilized to establish the hierarchical framework of the estimator
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Simple implementation with good accuracy for symmetric and non-symmetric distributions
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The superior performance of the estimator for both synthetic and real SAR signals