具有随机振幅的广义随机电报信号的功率谱

IF 3.1 3区物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY

Physica A: Statistical Mechanics and its Applications Pub Date : 2025-05-31 DOI:10.1016/j.physa.2025.130745

Ferdinand Grüneis

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引用次数: 0

摘要

随机电报信号（RTS）可以看作是由间隔分隔的非重叠矩形脉冲的随机序列。除了恒定的振幅外，RTS还由脉冲寿命和间隙定义，两者都是指数分布的。这种RTS可以推广到任意分布的脉冲寿命、间隙和幅度。我们提出了一种新的方法来推导这种具有随机振幅的广义RTS的功率谱。随机振幅的引入与多层次RTS的解释相关。

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The power spectrum of a generalized random telegraph signal with random amplitude

A random telegraph signal (RTS) can be regarded as a random succession of non-overlapping, rectangular pulses separated by gaps. Besides the constant amplitude, an RTS is defined by the pulse lifetime and by the gap, both of which are exponentially distributed. Such an RTS is generalized for an arbitrarily distributed pulse lifetime, gap and amplitude. We present a new approach to derive the power spectrum of such a generalized RTS with random amplitude. The introduction of a random amplitude is of relevance for the interpretation of multi-level RTS.

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来源期刊

Physica A: Statistical Mechanics and its Applications 物理-物理：综合

CiteScore

7.20

自引率

9.10%

发文量

852

审稿时长

6.6 months

期刊介绍： Physica A: Statistical Mechanics and its Applications Recognized by the European Physical Society Physica A publishes research in the field of statistical mechanics and its applications. Statistical mechanics sets out to explain the behaviour of macroscopic systems by studying the statistical properties of their microscopic constituents. Applications of the techniques of statistical mechanics are widespread, and include: applications to physical systems such as solids, liquids and gases; applications to chemical and biological systems (colloids, interfaces, complex fluids, polymers and biopolymers, cell physics); and other interdisciplinary applications to for instance biological, economical and sociological systems.