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Neural Polar Decoders (NPDs) [14] are an advancement in channel coding that combine neural networks (NNs) with polar codes, providing unified decoding for channels with or without memory, without requiring an explicit channel model. They use four neural networks to approximate the functions of polar decoding: the embedding (E) NN, the check ...
He presented a three-session lecture on the polar codes at Simons Institute's Information Theory Boot Camp at the University of California, Berkeley. [ 6 ] [ 7 ] [ 8 ] The lecture is also featured on the Simons Institute webpage, which includes the slides used by Arıkan in his presentation.
Tomita's key discovery concerned the remarkable properties of the closure of the operator ♯ and its polar decomposition. If S denotes this closure (a conjugate-linear unbounded operator), let Δ = S* S, a positive unbounded operator. Let S = J Δ 1/2 denote its polar decomposition. Then J is a conjugate-linear isometry satisfying [4]
The code RM(r, m) is a [,,]-code, that is, it is a linear code over a binary alphabet, has block length, message length (or dimension) k, and minimum distance. 0 1
The binary signal is encoded using rectangular pulse-amplitude modulation with polar return-to-zero code. Return-to-zero (RZ or RTZ) describes a line code used in telecommunications signals in which the signal drops (returns) to zero between pulses. This takes place even if a number of consecutive 0s or 1s occur in the signal. The signal is ...
Description: Discusses ionic and covalent bonding (polar and non-polar). Importance: The book that introduced the modern concept of the covalent bond as the sharing of electron pairs, and tried to reconcile the chemist's empirical view of the atom with the physicist's and spectroscopist's quantum mechanical view. It could be considered a ...
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The 2012-built South African polar research vessel S. A. Agulhas II is one of the few vessels rated PC 5 or higher.. Polar Class (PC) refers to the ice class assigned to a ship by a classification society based on the Unified Requirements for Polar Class Ships developed by the International Association of Classification Societies (IACS).