Abstract: This paper briefly reviews a relatively new method for time-frequency (TF) analysis, referring to as the Lv distribution (LVD). By adopting the concept of scaling operator in ...
Abstract: Inspired by a definition of the closed-form instantaneous cross-correlation Wigner distribution (Zhang, 2019), we generalize the notion of Wigner distribution to the so-called free ...
ABSTRACT: Background: The sunglass standards are not strictly implemented in many countries except Aus-tralia. The purpose of the study was to evaluate the optical properties of unbranded sunglasses ...
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