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In this paper, the widely used numerical optimization method for estimating linear frequency modulated signal parameters is modified. To this purpose, an improved Dividing RECTangles (DIRECT) algorithm, called the Lipschitz constant assisted DIRECT (L-DIRECT) algorithm, is proposed to substitute for the commonly used Grid Search method. The proposed global optimization algorithm can provide initial...
In the paper, the widely used numerical optimization method for linear frequency modulated (LFM) signal parameters estimation is modified. To this purpose, an improved Dividing RECTangles (DIRECT) algorithm is proposed to substitute for the commonly used grid search method. The proposed global optimization algorithm can provide initial estimates for local optimization algorithms such as Newton and...
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