Simulation of dependent samples of symmetric alpha-stable clutter

被引:23
|
作者
Szajnowski, WJ [1 ]
Wynne, JB
机构
[1] Univ Surrey, Sch Elect Engn Informat Technol & Math, Guildford GU2 5XH, Surrey, England
[2] Def Evaluat & Res Agcy, Farnborough GU14 0LX, Hants, England
关键词
alpha-stable processes; non-Gaussian clutter; random variable generation;
D O I
10.1109/97.917700
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Discrete-time samples of isotropic clutter with symmetric alpha-stable (S alphaS) distribution are generated by modulating a complex correlated Gaussian sequence with a nonnegative sequence with skewed stable distribution. The quadrature components of such simulated clutter are uncorrelated, yet dependent, with uniform phase. Statistical dependence between samples of the modulating sequence is induced by employing an autoregressive moving-average scheme with nonnegative stable innovations. A simple autoregressive scheme is analyzed in more detail, and a special technique for simulating isotropic Cauchy clutter is presented.
引用
收藏
页码:151 / 152
页数:2
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