Novel 2D Real-Valued Sinusoidal Signal Frequencies Estimation Based on Propagator Method

Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 216)


This paper considers the problem of estimating the frequencies of multiple 2D real-valued sinusoidal signals, also known as Real X-texture mode signals, in the presence of additive white Gaussian noise. An algorithm for estimating the frequencies of real-valued 2D sine wave based on propagator method is developed. This technique is a direct method which does not require any peak search. A new data model for individual dimensions is proposed, which gives the dimension of the signal subspace is equal to the number of frequencies present in the observation. Then propagator method-based estimation technique is applied on individual dimensions using the proposed new data model. The performance of the proposed method is demonstrated and validated through computer simulation.


Array signal processing X-texture mode signals Signal subspace method Two-dimensional frequency estimation 


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Copyright information

© Springer India 2014

Authors and Affiliations

  1. 1.Department of Electronics and Communication EngineeringNational Institute of TechnologyTrichyIndia

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