DOA Estimation Using ESPRIT Algorithm
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This article explores Direction of Arrival (DOA) estimation using the ESPRIT (Estimation of Signal Parameters via Rotational Invariance Techniques) algorithm, accompanied by MATLAB implementation examples. The ESPRIT algorithm implementation focuses on exploiting rotational invariance properties in signal subspaces through eigenvalue decomposition of covariance matrices. Additionally, we present MATLAB-based smart antenna simulation routines demonstrating beamforming techniques and array signal processing. These practical examples include code for array geometry configuration, signal model generation, and performance analysis using metrics like RMS error and spatial spectrum plots. The provided routines will help readers gain deeper insights into these concepts and enhance their skills in signal processing and antenna design applications.
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