Abstract: This paper deals with frame detection of OFDM system with periodic pattern preamble transmitted over frequency-selective channels. The systems utilizing such periodic pattern preamble ...

Abstract: Predefined evenly-distributed class centroids (PEDCC) can be widely used in models and algorithms of pattern classification, such as CNN classifiers, classification autoencoders, clustering, ...

Learn how to crochet an adorable amigurumi bear in a cozy cardigan — no magic ring needed! This step-by-step tutorial includes a free pattern, clear instructions, and tips for beginners. Perfect for ...

From shaping the blade to sanding the handle, each step highlights patience, precision, and attention to detail. The result is a knife that’s as elegant as it is sharp. Social Security, Medicare are ...