Rejection properties of stochastic-resonance-based detectors of weak harmonic signals

被引：0

作者：

Croce, RP ^{[1
]}

Demma, T

Galdi, V

Pierro, V

Pinto, IM

Postiglione, F

机构：

[1] Univ Sannio Benevento, I-82100 Benevento, Italy

[2] Univ Salerno, DI3E, I-84100 Salerno, Italy

来源：

PHYSICAL REVIEW E | 2004年 / 69卷 / 06期

关键词：

D O I：

暂无

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

In [V. Galdi , Phys. Rev. E 57, 6470 (1998) ] a thorough characterization in terms of receiver operating characteristics of stochastic-resonance detectors of weak harmonic signals of known frequency in additive Gaussian noise was given. It was shown that strobed sign-counting based strategies can be used to achieve a nice trade-off between performance and cost, by comparison with noncoherent correlators. Here we discuss the more realistic case where besides the sought signal (whose frequency is assumed known) further unwanted spectrally nearby signals with comparable amplitude are present. Rejection properties are discussed in terms of suitably defined false-alarm and false-dismissal probabilities for various values of interfering signal(s) strength and spectral separation.

引用

页数：4

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