DETECTION OF SINUSOIDAL SIGNALS IN FREQUENCY DOMAIN

Document Type : Original Article

Authors

Egyptian Armed Forces.

Abstract

ABSTRACT
Periodogram is a simple and efficient way to detect and estimate parameters of sinusoidal
signals. In this paper, we evaluate the detection performance of the periodogram and its
variants such as Bartlett, Welch methods, and a proposed Bartlett-based method. Performance
evaluation through the Receiver Operating Characteristics (ROCs) of the mentioned methods
are presented and compared. Previous studies showed that, the standard periodogram used to
give the best detection performance. In the present work, analytical derivation and simulation
results showed that, the proposed method gives a better detection performance outperforming
the standard periodogram at the expense of tolerable reduction of the frequency resolution.

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