Abstract
An extraction method and formulas are proposed for phase difference and direction of arrival (DOA) using a two-element time modulated array with the general modulation parameters. The relevant spectral components are described with the help of a phasor diagram and equations for phase difference and the DOA are derived from the measured magnitude and complex quantities of these spectral components. Issues involving measurement with frequency down-conversion are addressed. Simulations and experiments are performed to evaluate the proposed method and the related theory.
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