The finite-difference frequency-domain (FDFD) method is a numerical solution method for problems usually in electromagnetism and sometimes in acoustics...

Finite-difference time-domain (FDTD) or Yee's method (named after the Chinese American applied mathematician Kane S. Yee, born 1934) is a numerical analysis...

field solver Electromagnetic wave equation Finite-difference time-domain method Finite-difference frequency-domain Mie theory Physical optics Rigorous coupled-wave...

processing, a finite impulse response (FIR) filter is a filter whose impulse response (or response to any finite length input) is of finite duration, because...

Spectral methods and finite-element methods are closely related and built on the same ideas; the main difference between them is that spectral methods use...

domain" and "FDTD" in the 1980 paper, "Application of the finite-difference time-domain method to sinusoidal steady-state electromagnetic penetration problems...

linear step is made in the frequency domain while the nonlinear step is made in the time domain. An example of usage of this method is in the field of light...

equations using finite difference equations to approximate derivatives. Similar to the finite difference method or finite element method, values are calculated...

Kuo-Chin; Fan, Chia-Ming (March 15, 2021). "Improvement of generalized finite difference method for stochastic subsurface flow modeling". Journal of Computational...

to 3 dimensions of the spectral domain MoM method commonly used for analyzing 2D periodic structures such as frequency selective surfaces (FSS). In both...

The method of reassignment is a technique for sharpening a time-frequency representation (e.g. spectrogram or the short-time Fourier transform) by mapping...

Technology in 2006. Operating under Unix-like systems, it uses finite-difference time-domain method with perfectly matched layer or periodic boundary conditions...

element methods are significantly less efficient than volume-discretisation methods (finite element method, finite difference method, finite volume method)....

Computational electromagnetics Finite-difference time-domain method Eigenmode expansion Finite element method Maxwell's equations Method of lines Light Photon...

spectra are finite if integrated to the high-frequency end, and all flatter power-law spectra are finite if integrated to the DC, low-frequency limit.[citation...

conditions. This is done by using discrete meshes as in finite difference and finite element methods, often for the surface. The solutions are represented...

valued frequency-domain (the z-domain or z-plane) representation. It can be considered a discrete-time equivalent of the Laplace transform (the s-domain or...

seasonal-differencing is a comb filter to suppress respectively the low-frequency trend and the periodic-frequency season in the spectrum domain (rather...

Functions that are localized in the time domain have Fourier transforms that are spread out across the frequency domain and vice versa, a phenomenon known as...

this means removing some frequencies or frequency bands. However, filters do not exclusively act in the frequency domain; especially in the field of...

Fineness ratio Finite-difference frequency-domain method Finite-difference time-domain method Finite-volume method Finite potential well Finite strain theory...

Multigrid methods can be applied in combination with any of the common discretization techniques. For example, the finite element method may be recast...

modelling Central differencing scheme Computational magnetohydrodynamics Discrete element method Finite element method Finite volume method for unsteady flow...

characteristics in terms of its frequency components. This frequency-domain representation is an alternative to the more familiar time-domain waveform, and the two...

a finite impulse response (FIR) system, in which the impulse response does become exactly zero at times t > T {\displaystyle t>T} for some finite T {\displaystyle...

a topic in mathematics, the spectral element method (SEM) is a formulation of the finite element method (FEM) that uses high-degree piecewise polynomials...

the minimum frequency that can be resolved by a finite duration time window. Given a time window that is Τ seconds long, the minimum frequency that can be...

Approximations of the Laplacian, obtained by the finite-difference method or by the finite-element method, can also be called discrete Laplacians. For example...

truly "correct" recommendation. As an effective method, an algorithm can be expressed within a finite amount of space and time and in a well-defined formal...

finite: ∫ E | f | d μ < + ∞ . {\displaystyle \int _{E}|f|\,d\mu <+\infty .} In that case, the integral is, as in the Riemannian case, the difference between...