Optimal bi-orthonormal approximation of signals


where g(x) is a window function having usually a typical width D and unit energy. The ,~i!1g~j~~lM;;ti£.~recommended by Gabor is the Q~~~~jgJ1 distinguished by the product of its effective widths on the position and frequency axes respectively, being the minimal possible according to the uncertainty principle [1]. This model was used recently for… (More)
DOI: 10.1109/21.155946


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