The angular spectrum method is a technique for modeling the propagation of a wave field. This technique involves expanding a complex wave field into a...

wavefront properties at the observation point. The angular spectrum method is an exact propagation method. It is applicable to all Fresnel numbers. A good...

In physics, the Weyl expansion, also known as the Weyl identity or angular spectrum expansion, expresses an outgoing spherical wave as a linear combination...

superposition of sinusoidal plane waves. This approach is known as the angular spectrum method. The form of the planewave solution is actually a general consequence...

types of functional decompositions are, in principle, possible. Angular spectrum method Abbe sine condition Adaptive-additive algorithm Huygens–Fresnel...

determine the vortex mode spectrum, one common method involves decomposing the complex optical field into its constituent angular harmonics: For a scalar...

and the angular frequency (symbol ω = 2πf). Physics portal Emission spectrum Envelope (waves) Fraunhofer lines – dark lines in the solar spectrum, traditionally...

and it will combines elementary waves into common wave fronts. Angular spectrum method Ambisonics, a related spatial audio technique Fourier optics Holophones...

The ZX Spectrum (UK: /zɛd ɛks/) is an 8-bit home computer developed and marketed by Sinclair Research. The Spectrum played a pivotal role in the history...

field emanating from the object can be written in terms of its angular spectrum method, as a superposition of plane waves: E ( x , y , z , t ) = ∑ k x...

In telecommunications, especially radio communication, spread spectrum are techniques by which a signal (e.g., an electrical, electromagnetic, or acoustic)...

Wireless Communications is a novel method for polarized antenna transmission utilizing a differential technique. Orbital angular momentum multiplexing is a relatively...

varies with angular scale. The distribution of the anisotropy across the sky has frequency components that can be represented by a power spectrum displaying...

systems, and to other applications, such as in spread-spectrum communications (see chirp spread spectrum). This signal type is biologically inspired and occurs...

expressed in SI units of cycles per metre or reciprocal metre (m−1). Angular wavenumber, defined as the wave phase divided by time, is a quantity with...

used in certain contexts, such as the angular frequency in rotational or cyclical properties, when the rate of angular progress is measured. Spatial frequency...

commutator Angular momentum coupling Angular momentum of light Angular momentum operator Angular size redshift relation Angular spectrum method Angular velocity...

quantized rotational states of molecules in the gas phase. The rotational spectrum (power spectral density vs. rotational frequency) of polar molecules can...

domain, but a discrete (quantized) spectrum in a compact domain and the same properties of spectra hold for angular momentum, Hamiltonians and other operators...

Spin is an intrinsic form of angular momentum carried by elementary particles, and thus by composite particles such as hadrons, atomic nuclei, and atoms...

In signal processing, the power spectrum S x x ( f ) {\displaystyle S_{xx}(f)} of a continuous time signal x ( t ) {\displaystyle x(t)} describes the distribution...

} The hydrogen spectrum fine structure is observed as a doublet corresponding to two possibilities for the z-component of the angular momentum, where...

respectively, the initial and final angular momenta of the atom. The corresponding quantum numbers λ and μ (z-axis angular momentum) must satisfy | J i − J...

signals from many telescopes to produce images with high angular resolution Channel access method – Means for multiple terminals to communicate over one...

study the glueball spectrum theoretically and from first principles. Some of the first quantities calculated using lattice QCD methods (in 1980) were glueball...

other methods can be used on different phases. Each element that is diffracted by a prism-like instrument displays either an absorption spectrum or an...

atom with its closest neighbours. Or a radiation spectrum of the nucleus is detected. Most methods base on hyperfine interactions, which are the interaction...

The perturbed γ-γ angular correlation, PAC for short or PAC-Spectroscopy, is a method of nuclear solid-state physics with which magnetic and electric...

Invariance and Angular Momentum Translations in Two Dimensions Rotations in Two Dimensions The Eigenvalue Problem of L {\displaystyle L} Angular Momentum in...

decay process. This spectrum was puzzling for many years.[citation needed] A second problem is related to the conservation of angular momentum. Molecular...