Results 31 to 40 of about 1,691 (180)

Adaptive Algorithms Versus Higher Order Cumulants for Identification and Equalization of MC-CDMA

open access: yesJournal of Telecommunications and Information Technology, 2014
In this paper, a comparative study between a blind algorithm, based on higher order cumulants, and adaptive algorithms, i.e. Recursive Least Squares (RLS) and Least Mean Squares (LMS) for MultiCarrier Code Division Multiple Access (MC-CDMA) systems ...
Mohammed Zidane   +4 more
doaj   +1 more source

Underdetermined DOA estimation exploiting the higher‐order cumulants of harmonic steering vector with time‐modulated arrays

open access: yesIET Signal Processing, 2022
Time‐modulated arrays (TMAs) have been widely studied owing to their convenient control mode and simple structure. Although direction‐of‐arrival (DOA) estimation based on TMA has garnered considerable attention, underdetermined DOA estimation in TMA is ...
Yue Ma, Chen Miao, Yue‐Hua Li, Wen Wu
doaj   +1 more source

A Modulation Recognition System for Underwater Acoustic Communication Signals Based on Higher-Order Cumulants and Deep Learning

open access: yesJournal of Marine Science and Engineering, 2023
Underwater acoustic channels, influenced by time-varying, space-varying, frequency-varying, and multipath effects, pose significant interference challenges to underwater acoustic communication (UWAC) signals, especially in non-cooperative scenarios.
Run Zhang   +5 more
doaj   +1 more source

Direction-of-Arrival Estimation Based on Sparse Representation of Fourth-Order Cumulants

open access: yesIEEE Access, 2023
The actual underwater environmental noise is often spatial colored, which results in severe degradation of the performance of the underwater direction of arrival (DOA) estimation method based on the assumption of white noise.
Chuanxi Xing, Saimeng Dong, Zhiliang Wan
doaj   +1 more source

On higher-order moment and cumulant estimation

open access: yesJournal of Statistical Computation and Simulation, 2019
Moments and cumulants are involved in statistical analysis for a wide range of fields. A natural and popular approach to moment and cumulant estimation is based on the sample average. However, it is well known that these sample estimates usually perform poorly.
Chan, Lok Hang   +4 more
openaire   +1 more source

Collectivity in pp from resummed interference effects?

open access: yesPhysics Letters B, 2019
Azimuthal asymmetries vn in the soft transverse momentum spectra of hadronic collisions can result as a consequence of quantum interference and color flow which translates spatial anisotropies into momentum anisotropies via multipole radiation patterns ...
Boris Blok, Urs Achim Wiedemann
doaj   +1 more source

Statistical temporal pattern extraction by neuronal architecture

open access: yesPhysical Review Research, 2023
Neuronal systems need to process temporal signals. Here, we show how higher-order temporal (co)fluctuations can be employed to represent and process information.
Sandra Nestler   +2 more
doaj   +1 more source

SOFFLFM: Super-resolution optical fluctuation Fourier light-field microscopy

open access: yesJournal of Innovative Optical Health Sciences, 2023
Fourier light-field microscopy (FLFM) uses a microlens array (MLA) to segment the Fourier plane of the microscopic objective lens to generate multiple two-dimensional perspective views, thereby reconstructing the three-dimensional (3D) structure of the ...
Haixin Huang   +7 more
doaj   +1 more source

Blind recognition of STBC based on higher-order cumulants

open access: yesTongxin xuebao, 2016
Aiming at the problems for blind recognition of space-time block code(STBC)in MIMO communication sys-tems,a method was exploited based on higher-order cumulants of received signals.Firstly,the model of received signals was given and the fourth-order ...
Li-min ZHANG, Qing LING, Wen-jun YAN
doaj   +2 more sources

Ott-Antonsen ansatz truncation of a circular cumulant series

open access: yesPhysical Review Research, 2019
The cumulant representation is common in classical statistical physics for variables on the real line and the issue of closures of cumulant expansions is well elaborated. The case of phase variables significantly differs from the case of linear ones; the
Denis S. Goldobin   +1 more
doaj   +1 more source

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