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ESPRIT is a high-resolution parameter estimation techniques based on the translational invariance structure of a sensor array, which has recently been applied to the problem of determining the directions and center frequencies of a number of narrowband sources in a band of interest. Here, we present a simple and efficient method for the joint angle-frequency estimation (JAFE), named as unitary-JAFE...
High-resolution parameter estimation techniques have recently been applied to jointly estimate multiple signal parameters. In this paper, we consider the joint angle and frequency estimation (JAFE) problem. We define a novel space-time matrix which includes the information of incident angles and frequencies. The joint angle and frequency estimation method used the defined space-time matrix is named...
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