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Locus of points at equal phase in a wave
In physics, the wavefront of a time-varying wave field is the set (locus) of all points having the same phase. The term is generally meaningful only for
Wavefront
American computer graphics company
Wavefront Technologies was a computer graphics company that developed and sold animation software used in Hollywood motion pictures and other industries
Wavefront_Technologies
Geometry definition file format
OBJ (or .OBJ) is a geometry definition file format first developed by Wavefront Technologies for The Advanced Visualizer animation package. It is an open
Wavefront_.obj_file
Topics referred to by the same term
Look up wavefront in Wiktionary, the free dictionary. In physics, a wavefront is the locus (a line, or, in a wave propagating in 3 dimensions, a surface)
Wavefront_(disambiguation)
Type of optical instrument
(or Hartmann–Shack) wavefront sensor (SHWFS) is an optical detector used for measuring electromagnetic wavefronts. It is a wavefront sensor commonly used
Shack–Hartmann wavefront sensor
Shack–Hartmann_wavefront_sensor
Canadian software company
Alias Systems Corporation (formerly Alias Research, Alias|Wavefront), headquartered in Toronto, Ontario, Canada, was a software company that produced
Alias_Systems_Corporation
Light rays follow quickest paths
are given, a wavefront expanding from A sweeps all possible ray paths radiating from A, whether they pass through B or not. If the wavefront reaches point
Fermat's_principle
Field of depth extension
In optics and signal processing, wavefront coding refers to the use of a phase modulating element in conjunction with deconvolution to extend the depth
Wavefront_coding
A wavefront curvature sensor is a device for measuring the aberrations of an optical wavefront. Like a Shack–Hartmann wavefront sensor it uses an array
Wavefront_curvature_sensor
Corrective ophthalmological surgery
that outweighs any benefit from wavefront correction. When treating a patient with preexisting astigmatism, most wavefront-guided LASIK lasers are designed
LASIK
Technique used in optical systems
aberrations. Adaptive optics works by measuring the distortions in a wavefront and compensating for them with a device that corrects those errors such
Adaptive_optics
Method of analysis applied to problems wave propagation
French physicist Augustin-Jean Fresnel) states that every point on a wavefront is itself the source of spherical wavelets and that the secondary wavelets
Huygens–Fresnel_principle
Recording to reproduce a three-dimensional light field
Holography is a technique that allows a wavefront to be recorded and later reconstructed. It is best known as a method of generating three-dimensional
Holography
3D computer graphics software
Silicon Graphics Inc. had acquired both Alias and Wavefront Technologies, Inc. in 1995, Wavefront's technology (then under development) was merged into
Autodesk_Maya
Psychoacoustical phenomenon
The precedence effect or law of the first wavefront is a binaural psychoacoustical effect concerning sound reflection and the perception of echoes. When
Precedence_effect
Type of wavefront sensor
A pyramid wavefront sensor is a type of a wavefront sensor. It measures the optical aberrations of an optical wavefront. This wavefront sensor uses a
Pyramid_wavefront_sensor
Overview article
Optical holography is a technique which enables an optical wavefront to be recorded and later re-constructed. Holography is best known as a method of
Physics_of_optical_holography
Type of singularity analysis
we regard ƒ to be smooth in the direction of v. Otherwise, v is in the wavefront set. Formally, in Euclidean space, the wave front set of ƒ is defined
Wave_front_set
Video compression format, succeeds H.264/MPEG-4 AVC
for random access to specific regions of a picture in a video stream. Wavefront parallel processing (WPP) is when a slice is divided into rows of CTUs
High_Efficiency_Video_Coding
Wavefront Technology Solutions Inc. is a provider of secondary oil recovery and environmental technologies. The company was founded in 1997 as PE-TECH
Wavefront Technology Solutions
Wavefront_Technology_Solutions
Optical principle
point on the wavefront of birefringent material produces two types of wavefronts or wavelets: spherical wavefronts and ellipsoidal wavefronts. These secondary
Huygens principle of double refraction
Huygens_principle_of_double_refraction
Technique for creating virtual acoustic environments
produces artificial wavefronts synthesized by a large number of individually driven loudspeakers from elementary waves. Such wavefronts seem to originate
Wave_field_synthesis
Monochrome light beam whose amplitude envelope is a Gaussian function
{{\text{FWHM}}(z)}{\sqrt {2\ln 2}}}.} The wavefronts have zero curvature (radius = ∞) at the waist. Wavefront curvature increases in magnitude away from
Gaussian_beam
Measurement method using interference of waves
Sagnac, and the scatterplate interferometer. A wavefront splitting interferometer divides a light wavefront emerging from a point or a narrow slit (i.e.
Interferometry
Pattern of movement across water
like a piling in a river. Focus first on a given k, emitting (phase) wavefronts whose stationary position w.r.t. the boat assemble to the standard shock
Kelvin_wake_pattern
Series of microarchitectures and instruction set architecture by AMD
different wavefronts, and when one wavefront is waiting on some result, which lies in memory, the CU Scheduler assigns the SIMD-VU another wavefront. Wavefronts
Graphics_Core_Next
Three-dimensional imaging technique
the whole process chain of synthetically preparing holographic light wavefronts suitable for observation. If holographic data of existing objects is generated
Computer-generated_holography
Book by Christiaan Huygens
ether, similar to sound waves. Moreover, he proposed that each point of a wavefront is itself the origin of a secondary spherical wave, a principle known
Treatise_on_Light
research and industry, including deformable mirrors with large strokes, wavefront sensors, and adaptive optics loops. These products are designed for astronomy
ALPAO
A Wavefront arbiter is a circuit used to make decisions which control the crossbar of a high capacity switch fabric in parallel. It was commercialized
Wavefront_arbiter
Optical property
wavelength. Conceptually, it is the number of half-period zones in the wavefront amplitude, counted from the center to the edge of the aperture, as seen
Fresnel_number
"Bouncing back" of waves at an interface
Reflection is the change in direction of a wavefront at an interface between two different media so that the wavefront returns into the medium from which it
Reflection_(physics)
Mirror whose surface can be deformed
order to achieve wavefront control and correction of optical aberrations. Deformable mirrors are used in combination with wavefront sensors and real-time
Deformable_mirror
Formula used in radio astronomy
wavefront from an incoherent source will appear mostly coherent at large distances. Intuitively, this can be understood by considering the wavefronts
Van_Cittert–Zernike_theorem
The clock and wavefront model is a model used to describe the process of somitogenesis in vertebrates. Somitogenesis is the process by which somites,
Clock_and_wavefront_model
American-Latvian physicist and inventor (1936–2026)
Patent number Subject Year granted U.S. patent 3,506,327 Wavefront Reconstruction Using a Coherent Reference Beam 1970 U.S. patent 3,532,407 Spatial Frequency
Juris_Upatnieks
Complete reflection of a wave
such as air, water or glass, the "rays" are perpendicular to associated wavefronts. The total internal reflection occurs when critical angle is exceeded
Total_internal_reflection
3D graphics software package
Visualizer (TAV), a 3D graphics software package, was the flagship product of Wavefront Technologies from the mid 1980s until the late 1990s. The Advanced Visualizer
The_Advanced_Visualizer
Acoustics process
Digital room correction may involve minimum phase algorithms, to maintain wavefront coherence over the intended frequency range.
Digital_room_correction
Electromagnetic radiation from a charged particle in a medium
at a speed greater than the phase velocity (speed of propagation of a wavefront in a medium) of light in that medium. A classic example of Cherenkov radiation
Cherenkov_radiation
Path planner similar to potential field method with breadth first search modification
The wavefront expansion algorithm is a specialized potential field path planner with breadth-first search to avoid local minima. It uses a growing circle
Wavefront_expansion_algorithm
Atmospheric distortions of light
the Earth's atmosphere perturbing planar wavefronts before they enter a telescope. The perturbed wavefront ψ p {\displaystyle \psi _{p}} may be related
Astronomical_seeing
Speed that exceeds the speed of sound
faster than the sound waves it creates, it actually leads the advancing wavefront. The sound source will pass by a stationary observer before the observer
Supersonic_speed
Aspect of crystal optics
associated polarizations of light, as functions of the orientation of the wavefront, in a doubly-refractive crystal (provided that the crystal does not exhibit
Index_ellipsoid
Shaped charge used in nuclear weapons
different rates of detonation. In order to convert a spherically expanding wavefront into a spherically converging one using only a single boundary between
Explosive_lens
3D visual effects software
Dynamation was a 3D computer graphics particle generator program sold by Wavefront to run on SGI's IRIX operating system as part of The Advanced Visualizer
Dynamation_(software)
Type of plane wave
at distance d + c t {\displaystyle d+ct} from the origin is called a wavefront. This plane too travels along the direction of propagation n → {\displaystyle
Traveling_plane_wave
English-language animated television series
and aired on Nicktoons until 2003. The series was produced using Alias Wavefront Maya 3D software. The plot of the series begins when the Butt-Ugly Martians
Butt-Ugly_Martians
Algorithm for phase retrieval
phase retrieval algorithm for retrieving the phase of a complex-valued wavefront from two intensity measurements acquired in two different planes. Typically
Gerchberg–Saxton_algorithm
Rate at which the phase of the wave propagates in space
The phase velocity of a wave is the speed of any wavefront, a surface of constant phase. This is the velocity at which the phase of any constant-frequency
Phase_velocity
Product of geometric length and refractive index
interference patterns. For a monochromatic wave emitted from a point source, a wavefront is a surface of constant phase. In geometrical optics, this means that
Optical_path_length
Optical component which splits light into several beams
possible such as optical encoders for high-precision motion control and wavefront measurement. For typical applications, a reflective grating has ridges
Diffraction_grating
Type of parallel computing architecture of tightly coupled nodes
and identical, while the interconnect is programmable. The more general wavefront processors, by contrast, employ sophisticated and individually programmable
Systolic_array
Interference phenomenon of waves
propagating wavefront as a collection of individual spherical wavelets. The patterns are due to the summation over different points on the wavefront (or, equivalently
Diffraction
Medical condition
the development of bigeminy. A PVC wavefront often encounters a refractory AV node that does not conduct the wavefront retrograde. Thus the atrium is not
Bigeminy
Angle between converging or diverging light rays
perpendicular to the wavefront of the light, thus the vergence of the light is directly related to the radii of curvature of the wavefronts. A convex lens or
Vergence_(optics)
3D computer graphics software
X Moray UDO .udo X MotionBuilder .fbx X X NextEngine scan .scn X OBJ (Wavefront) .obj X X Object properties .csv X Parasolid .x_t X PDF .pdf X X PLY
Rhinoceros_3D
Digital image processing technique
for generating images with increased or flexible depth of field include wavefront coding, light-field cameras and tilt. The starting point for focus stacking
Focus_stacking
Horizontal layer that propagates electromagnetic radiation
acts as an atmospheric dielectric waveguide and limits the spread of the wavefront to only the horizontal dimension. Atmospheric ducting is a mode of propagation
Atmospheric_duct
Vector describing a wave; often its propagation direction
proportional to the wavelength), and its direction is perpendicular to the wavefront. In isotropic media, this is also the direction of wave propagation. A
Wave_vector
2017 film
Robin Lee Music by Jacob Yoffee Production company Wavefront Productions Distributed by Wavefront Productions Release dates November 14, 2017 (2017-11-14)
The_Valley_(2017_film)
Topics referred to by the same term
dictionary. Holography is a technique for recording and reconstruction of wavefronts. Holography and holographic may also refer to: Holograph, a document written
Holography_(disambiguation)
Physical phenomenon relating to the direction of waves
to c. When light enters a slower medium at an angle, one side of the wavefront is slowed before the other. This asymmetrical slowing of the light causes
Refraction
Frequency change of a wave for observer relative to its source
speed υs = 0.7 c. Since the source is moving, the center of each new wavefront is now slightly displaced to the right. As a result, the wave-fronts begin
Doppler_effect
Branch of optics
to outgoing wavefront w4 and the rays perpendicular to incoming wavefront w2 will be coupled to outgoing wavefront w3 and these wavefronts may be any shape
Nonimaging_optics
Algorithm for finding shortest paths
directions are explored uniformly, appearing more-or-less as a circular wavefront as Dijkstra's algorithm uses a heuristic of picking the shortest known
Dijkstra's_algorithm
Form of optical aberration
when the pupil is large. A wavefront is a surface over which an optical disturbance has a constant phase. Rays and wavefronts are two mutually complementary
Aberrations_of_the_eye
Shock wave from flying at the speed of sound
travelling at 1.4 times the speed of sound (Mach 1.4). Since the source is moving faster than the sound waves it creates, it leads the advancing wavefront.
Sonic_boom
Type of angular momentum in light
momentum of a light beam that can be associated with a helical or twisted wavefront. The external OAM is the origin-dependent angular momentum that can be
Orbital angular momentum of light
Orbital_angular_momentum_of_light
vertically‡ w.r.t. the nominal on-axis position. Since a true spherical wavefront cannot be achieved in practice, designers try to make the lobe as wide
Acoustic_lobing
Array of antennas creating a steerable beam
(C). The moving red lines show the wavefronts of the radio waves emitted by each element. The individual wavefronts are spherical, but they combine (superpose)
Phased_array
American aerospace engineer, optical scientist and writer
Institutions United States Department of Defense NASA Thesis Laboratory simulation of atmospheric turbulence induced optical wavefront distortion (1999)
Travis_S._Taylor
Differential equation for the description of waves or standing wave
{\displaystyle D=1} case, the Green's function solution is the sum of two wavefronts sgn ( t − x ) 4 + sgn ( t + x ) 4 {\displaystyle {\frac {\operatorname
Wave_equation
Calculation technique
characteristics, and reflecting surfaces. Under these circumstances, wavefronts may bend, change direction, or reflect off surfaces, complicating analysis
Ray_tracing_(physics)
3D computer graphics software
License Plasticity plasticity ✓ ✓ STEP stp; step ✓ ✓ Parasolid x_t; x_b ✓ ✓ Wavefront OBJ obj ✓ ✓ FBX FBX ✓ ✓ STL stl ✓ ✓ Vector Image (SVG) SVG ✓ ✓ 2D images
Plasticity_(software)
Search software company
22, 2016). "How Algolia Uses Wavefront to Keep Its Hosted Search API Instantaneous for 12B+ Queries Monthly". wavefront.com. "Algolia Raises $18.3M Series
Algolia
Technique used to measure 3D topography using shifted interference
is an optical metrology technique for measuring surface topography and wavefront shape to sub-nanometre precision. It works by recording a short sequence
Phase-shifting_interferometry
Artificial star image used by telescopes
phenomenon termed astronomical seeing. Adaptive optics (AO) systems require a wavefront reference source of light called a guide star. While natural stars can
Laser_guide_star
Phenomenon wherein objects appear to move about their true positions in the sky
then the wavefront becomes angled, by an angle tan ( α ) = t d w / d x {\displaystyle \tan(\alpha )=tdw/dx} . Now, say in time t the wavefront has moved
Aberration_(astronomy)
Division of some animal and plant body plans into a series of segments
vertebrates, segmentation is most often explained in terms of the clock and wavefront model. The "clock" refers to the periodic oscillation in abundance of
Segmentation_(biology)
Classification of computer architectures
SIMD Systolic array Distributed memory Shared memory MIMD/SIMD hybrid Wavefront array Dataflow machine Reduction machine Processor array Associative memory
Duncan's_taxonomy
American cloud computing and virtualization company
original on June 26, 2020. Retrieved June 23, 2020. "VMware to Acquire Wavefront to Accelerate Delivery of its Cross-Cloud Management Services" (Press
VMware
1981–2009 American computing company
Kroyer Films, and Wavefront Technologies in a deal totaling approximately $500 million and merged the companies into Alias|Wavefront. In June 2004 SGI
Silicon_Graphics
French computer scientist, CGI pioneer, ACM and SIGGRAPH president
Image's acquisition by Wavefront Technologies and later joined their Paris office. After the 1995 merger forming Alias|Wavefront, he became one of the
Alain_Chesnais
Optical element that reflects and diffracts light
angle between the input and the normal to the grating. The dispersed wavefront sensing system (as part of the NIRCam instrument) on the James Webb Space
Grism
Type of wave propagating in 3 dimensions
wave speed c {\displaystyle c} along the direction perpendicular to the wavefronts. Such a field can be written as F ( x → , t ) = G ( x → ⋅ n → − c t )
Plane_wave
Conceptual parallel between optics and classical mechanics
a conceptual parallel between trajectories in classical mechanics and wavefronts in optics, introduced by William Rowan Hamilton around 1831. It may be
Hamilton's optical-mechanical analogy
Hamilton's_optical-mechanical_analogy
Fourier transform of a real-space lattice, important in solid-state physics
{\displaystyle \mathbf {e} } is a unit normal vector to this wavefront. The wavefronts with phases φ + ( 2 π ) n {\displaystyle \varphi +(2\pi )n} ,
Reciprocal_lattice
CGI sword-and-sorcery children's television series
using a third-dimensional computer graphics application known as Alias Wavefront Maya. King Edwin, ruler of a medieval-like Kingdom is assassinated by
Xcalibur
effects at Robert Abel and Associates, and director of production at Wavefront Technologies (which later merged to form Alias). He then formed his own
John_Grower
different file formats for reading, including COLLADA (.dae), 3DS, DirectX X, Wavefront OBJ and Blender 3D (.blend). As of Version 3.0 Assimp also provides export
Open_Asset_Import_Library
Physical quantity carried in photons
rotation of a light beam, one involving its polarization and the other its wavefront shape. These two forms of rotation are therefore associated with two distinct
Angular_momentum_of_light
Fundamental principle of physics
other hand, if the waves to be superposed originate by subdividing a wavefront into infinitesimal coherent wavelets (sources), the effect is called diffraction
Superposition_principle
Rapid quivering of the ventricles of the heart
of transient block occurred with a refractory period that blocked one wavefront and subsequently allowed the other to proceed retrogradely over the other
Ventricular_fibrillation
American animator
Hues Robert Abel and Associates Digital Productions Silicon Graphics Wavefront Technologies Alias Research Symbolics Graphics Division Apple Macintosh
Bill_Kroyer
Irish computer scientist
Physics engines Institutions Trinity College Dublin Havok King Digital Entertainment Thesis Wavefront tracking for global illumination solutions (1996)
Steven_Collins
Water wave traveling up a river or narrow bay because of an incoming tide
from a single breaking wavefront with a roller — somewhat like a hydraulic jump— to undular bores, comprising a smooth wavefront followed by a train of
Tidal_bore
French audio equipment manufacturer
source array loudspeakers with their V-DOSC system, using the company's Wavefront Sculpture Technology (WST) theory. Based on principles developed by Heil
L-Acoustics
Solar telescope in the Canary Islands
a 256-actuator deformable mirror and a 156-subaperture Shack-Hartmann wavefront sensor. Efforts are underway to implement multi-conjugate AO in 2014.[needs
GREGOR_Solar_Telescope
Free and open-source image editor
Photoshop files (as flattened images). Also, it can import 3D objects in Wavefront (.obj) format. There are complex selection functions, various filters
LazPaint
WAVEFRONT
WAVEFRONT
WAVEFRONT
WAVEFRONT
Boy/Male
Muslim
Servant of the forgiver
Girl/Female
Hindu, Indian
Quite One
Surname or Lastname
English
English : see Danforth.
Boy/Male
Armenian, Australian, French, German
Guardian; Mighty with a Spear
Male
English
Welsh surname transferred to forename use, from an Anglicized form of the personal name Rhydderch, BRODERICK means "reddish-brown."Â
Boy/Male
Arabic, Australian, Indian, Parsi
A Sword; Pond; Pool
Boy/Male
Latin
Name of a Greek philosopher.
Girl/Female
Latin
Devoted.
Female
Hungarian
 Hungarian form of Norman French Emma, EMA means "entire, whole." Compare with other forms of Ema.
Girl/Female
Bengali, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Sindhi, Tamil, Telugu
An Atom of Love
WAVEFRONT
WAVEFRONT
WAVEFRONT
WAVEFRONT
WAVEFRONT