Results 211 to 220 of about 204,888 (292)

Verification of a Fluid-Structure Interaction Model for Aortic Stenosis Through Comparison With In Vitro Experiments. [PDF]

Int J Numer Method Biomed Eng
Verstraeten S, Meiburg R, Janssens K, Hoeijmakers M, Karajan N, Rutten M, Veer MV, Tonino P, van de Vosse F, Huberts W.   +9 more
europepmc   +1 more source

Non-Destructive Characterization of Cultural Heritage Materials Using a Modified Acoustic Resonance Approach. [PDF]

Materials (Basel)
Pantelić F, Vasić MR, Stojanović M, Terzić A, Miljević B, Vučetić S.   +5 more
europepmc   +1 more source

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Diffusion Constant Modulus Algorithm for Blind Equalization

2022 IEEE International Conference on Signal Processing, Communications and Computing (ICSPCC), 2022
The constant modulus algorithm (CMA) has the advantage of not requiring a training sequence but only relying on a priori known stochastic of the transmitted data sequence to achieve blind adaptive channel equalization.
Kang Yuan, Junnan Zhuo, Wei Gao 0021, Lingling Zhang 0003, Jing Chen   +4 more
openaire   +2 more sources

Modified constant modulus algorithm based on bat algorithm

Journal of Intelligent & Fuzzy Systems, 2021
In this work, modified constant modulus algorithm based on bat algorithm is proposed for wireless sensor communications systems. The bat algorithm is a swarm intelligence optimization algorithm, which mainly used to solve optimization problems. The proposed algorithm focused on modified constant modulus algorithm, which is also applicable to the ...
Tongtong Xu, Zheng Xiang
openaire   +2 more sources

A finite-interval constant modulus algorithm

IEEE International Conference on Acoustics Speech and Signal Processing, 2002
A finite-interval constant modulus algorithm is developed which is vastly simpler than the Analytic Constant Modulus Algorithm and, unlike that algorithm, can claim to minimize a constant modulus criterion. It requires one QR decomposition of a data matrix, followed by a power iteration.
Phillip A Regalia
exaly   +3 more sources

Channel surfing reinitialization for the constant modulus algorithm

IEEE Signal Processing Letters, 1997
The proper initialization of the constant modulus algorithm (CMA) is a critical problem that has not been solved. This paper presents a new reinitialization scheme for CMA. The proposed scheme searches in the channel space for the constant modulus equalizer with minimum mean-square error by exploiting the structure of the minimum mean square error ...
H H Zeng
exaly   +2 more sources

Asymptotic properties of the algebraic constant modulus algorithm

IEEE Transactions on Signal Processing, 2001
The algebraic constant modulus algorithm (ACMA) is a noniterative blind source separation algorithm. It computes jointly beamforming vectors for all constant modulus sources as the solution of a joint diagonalization problem. We analyze its asymptotic properties and show that (unlike CMA) it converges to the Wiener beamformer when the number of samples
A -J Van Der Veen
exaly   +3 more sources

Stochastic Stability Analysis for the Constant-Modulus Algorithm

IEEE Transactions on Signal Processing, 2008
We derive an easy-to-compute approximate bound for the range of step-sizes for which the constant-modulus algorithm (CMA) will remain stable if initialized close to a minimum of the CM cost function. Our model highlights the influence of the signal constellation used in the transmission system: for smaller variation in the modulus of the transmitted ...
V H Nascimento, Magno T M Silva
exaly   +2 more sources

Analysis and Improvements of the Constant Modulus Algorithm

2010 International Conference on Communications and Mobile Computing, 2010
In this paper, we study a widely used blind equalization algorithm -- constant modulus algorithm (CMA), by introducing several methods which can improve its convergence or complexity performance. Moreover, we discuss the pros and cons of every method.
Ning Xie
exaly   +2 more sources