Abstract: The basic concepts and building blocks in multirate digital signal processing (DSP), including the digital polyphase representation, are reviewed. Recent progress, as reported by several ...
ABSTRACT: This article is about orthogonal frequency-division multiplexing with quadrature amplitude modulation combined with code division multiplexing access for complex data transmission. It aims ...
Abstract: The donut-shaped radiation energy pattern of orbital angular momentum (OAM) beams has been a longstanding challenge in electromagnetic (EM) vortex imaging. In this article, an effective EM ...
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