Results 261 to 270 of about 463,737 (318)
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Complex Weight Functions for Classical Orthogonal Polynomials

Canadian Journal of Mathematics, 1991
AbstractWe give complex weight functions with respect to which the Jacobi, Laguerre, little q-Jacobi and Askey-Wilson polynomials are orthogonal. The complex functions obtained are weight functions in a wider range of parameters than the real weight functions.
Ismail, Mourad E. H.   +2 more
openaire   +1 more source

Design of Orthogonal Pulse Waveforms With Tunable Frequency and Bandwidth for Carrier-Free THz Communications

IEEE Transactions on Wireless Communications, 2023
Carrier-free pulse-based waveforms are desired in terahertz (THz) communications since pulse-based systems have simpler transceiver architectures than carrier-based systems.
Xin Wang, Aimin Tang, Xudong Wang
semanticscholar   +1 more source

Distributed Moving Horizon Estimation Over Wireless Sensor Networks: A Matrix-Weighted Consensus Approach

IEEE Transactions on Circuits and Systems - II - Express Briefs, 2023
This brief proposes a novel approach to distributed moving horizon estimation for linear discrete-time systems over a wireless sensor network. A distributed moving horizon estimator is presented by minimizing a cost function involving consensus steps on ...
Zenghong Huang   +3 more
semanticscholar   +1 more source

QoS-Aware Hybrid Beamforming and DOA Estimation in Multi-Carrier Dual-Function Radar-Communication Systems

IEEE Journal on Selected Areas in Communications, 2022
In this paper, the issues of transmit hybrid beamforming (HBF) design and direction-of-arrival (DOA) estimation in multi-carrier dual-function radar-communication (DFRC) systems, in consideration of quality-of-service (QoS) for multiple users (MUs), are ...
Ziyang Cheng, Bin Liao
semanticscholar   +1 more source

Orthogonal Polynomials for Nonclassical Weight Functions

SIAM Journal on Numerical Analysis, 1979
In this paper we develop a technique for deriving orthogonal polynomials for a class of nonclassical weight functions from known orthogonal polynomials. Although the algorithms discussed here are not as general as the classical and more recently developed algorithms, they do provide an effective and simple method for generating such polynomials.
openaire   +2 more sources

Overlap-weighted orthogonal meta-learner for treatment effect estimation over time

arXiv.org
Estimating heterogeneous treatment effects (HTEs) in time-varying settings is particularly challenging, as the probability of observing certain treatment sequences decreases exponentially with longer prediction horizons.
Konstantin Hess   +3 more
semanticscholar   +1 more source

Mutual Information-Driven Power Allocation in OFDM Dual-Function Radar-Communication Systems

IEEE Transactions on Radar Systems, 2023
This paper studies the orthogonal frequency-division multiplexing (OFDM) waveform design for dual-function radar-communication (DFRC) systems in an information-theoretic framework.
Nadia Bekkali   +3 more
semanticscholar   +1 more source

Orthogonal polynomials with complex-valued weight function, II

Constructive Approximation, 1986
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +3 more sources

Mittag-Leffler Weighted Orthogonal Functions for the ABC Fractional Operator: A Formal Self-Adjointness Construction

Fractal and Fractional
This work constructs an orthogonal function system on bounded intervals [0,R] associated with the Atangana–Baleanu–Caputo (ABC) fractional derivative for α∈(1/2,1).
M. Awadalla, Dalal Alhwikem
semanticscholar   +1 more source

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