Results 21 to 30 of about 24,683 (302)
Fault diagnosis of gearbox based on Fourier Bessel EWT and manifold regularization ELM
Scientific Reports, 2023 The novel fault diagnosis method of gearbox based on Fourier Bessel series expansion-based empirical wavelet transform (FBEWT) and manifold regularization extreme learning machine (MRELM) is proposed to obtain excellent fault diagnosis results of gearbox
Ke Wang, Fengqing Qin
doaj +1 more source
A Fourier Fitting Method for Floating Vehicle Trajectory Lines
ISPRS International Journal of Geo-InformationWith the advancement of spatial positioning technology, trajectory data have been growing rapidly. Trajectory data record the spatiotemporal information and behavioral characteristics of moving objects, and in-depth analysis can provide decision support ...
Yun Shuai, Pengcheng Liu, Hao Han
doaj +1 more source
Automated Emotion Identification Using Fourier–Bessel Domain-Based Entropies
Entropy, 2022 Human dependence on computers is increasing day by day; thus, human interaction with computers must be more dynamic and contextual rather than static or generalized.
Aditya Nalwaya +2 more
doaj +1 more source
Modified Fourier expansions: theory, construction and applications
, 2010 Modified Fourier expansions present an alternative to more standard algorithms for the approximation of nonperiodic functions in bounded domains. This thesis addresses the theory of such expansions, their effective construction and computation, and ...
core +1 more source
Steady-State Process Analysis of DC Converter Based on Equations Expansion
Mìkrosistemi, Elektronìka ta Akustika, 2020 The paper deals with processes analysis in circuits of converter working on a time-varying load. A control of inverter and load switches are realised by signals with incommensurable frequencies.
Igor Yevheniiovych Korotyeyev +1 more
doaj +1 more source
On the Fourier Expansions of Eisenstein Series of Some Types [PDF]
Georgian Mathematical Journal, 2006 Abstract Bases of the spaces of Eisenstein series 𝐸𝑘(Γ0(4𝑁), χ) (𝑘 ∈ ℕ, 𝑘 ≥ 3, 𝑁 is an odd natural and square-free) and , ℕ is an odd natural and square-free) are constructed for any Dirichlet character mod 4𝑁 and Fourier expansions of these series are obtained.
openaire +2 more sources
Fourier expansion in variational quantum algorithms
, 2023 The Fourier expansion of the loss function in variational quantum algorithms (VQA) contains a wealth of information, yet is generally hard to access. We focus on the class of variational circuits, where constant gates are Clifford gates and parameterized
Kiktenko, Evgeniy O. +2 more
core +1 more source
Fourier Plane-Wave Series Expansion for Holographic MIMO Communications [PDF]
, 2022 Imagine a MIMO communication system that fully exploits the propagation characteristics offered by an electromagnetic channel and ultimately approaches the limits imposed by wireless communications. This is the concept of Holographic MIMO communications.
Pizzo A., Marzetta T. L., Sanguinetti L.
core +1 more source
Design of cam-linkage combined mechanism based on Fourier series
Shipin yu jixieObjectiveTo enhance the motion smoothness and reliability of cam-linkage combined mechanisms under high-speed operating conditions and to investigate a cam profile design method based on Fourier series.MethodsThis study derives the motion law expression ...
TAN Rongdeng +6 more
doaj +1 more source
Optimization of the Excitation signal for a novel piezoelectric micro-jet
MATEC Web of Conferences, 2016 Fourier series expansions of different excitation signals for a novel piezoelectric micro-jet is deducted in this paper. By comparison and analysis of the Fourier series expansions, we find that the motivational effect of square wave is preferable than ...
Li Kai +3 more
doaj +1 more source