Abstract
We consider the problem of sinusoidal parameter estimation from signed measurement samples. We formulate the sinusoidal parameter estimation problem as a sparse signal recovery problem and apply the alternating direction method of multipliers (ADMM) to efficiently solve it. The l 1 -norm and log-norm approximations are used to replace the l 0 -norm. We then judiciously design the detailed update steps of ADMM for the two approximations, so that most or all update steps involve computationally efficient closed-form solutions. Numerical examples are provided to demonstrate the effectiveness of our approaches.
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