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Signal-processing operation
The term apodization is used frequently in publications on Fourier-transform infrared (FTIR) signal processing. An example of apodization is the use
Apodization
Function used in signal processing
signal processing and statistics, a window function (also known as an apodization function or tapering function) is a mathematical function that is zero-valued
Window_function
Type of distributed Bragg reflector constructed in a short segment of optical fiber
to help with side-lobe suppression. This is apodization of the refractive index change. The term apodization refers to the grading of the refractive index
Fiber_Bragg_grating
Aesthetic quality of blur in the out-of-focus parts of an image
choose between two diaphragms: one with 9 and another with 10 blades. An apodization filter is used to soften the aperture edges which results in a smooth
Bokeh
Photographic lens
out-of-focus areas in the image. This is accomplished by the use of an apodization filter that provides the high-quality bokeh effect. The lens is not a
Minolta_STF_135mm_f/2.8_T4.5
Any technique to improve resolution of an imaging system beyond conventional limits
Super-resolution imaging (SR) is a class of techniques that improve the resolution of an imaging system. In optical SR the diffraction limit of systems
Super-resolution_imaging
Photographic lens technology
The Smooth Trans Focus (STF) technology in photographic lenses uses an apodization filter to realize notably smooth bokeh with rounded out-of-focus highlights
Smooth_Trans_Focus
Distance between the nearest and the furthest objects that are in focus in an image
in the process. The lens design can be changed even more: in colour apodization the lens is modified such that each colour channel has a different lens
Depth_of_field
Response if an optical system to a point source of light
imaging, it is desired to suppress the side-lobes of the imaging beam by apodization techniques. In the case of transmission imaging systems with Gaussian
Point_spread_function
Mathematical function
for constructive approximation and in linear inverse problems, and as apodization tapers or window functions in quadratic problems of spectral density
Slepian_function
Mathematical function used in signal processing
similarly-named Hamming function, named after Richard Hamming. Window function Apodization Raised cosine distribution Raised-cosine filter Nuttall 1981, p 84 (3)
Hann_function
Lens flaw
distinct from the effect of lenses designed to render smooth bokeh using an apodization filter, such as the Minolta STF 135mm f/2.8 [T4.5]. As described in U
Soft_focus
Japanese telescope and observatory
directly imaging exoplanets. The coronagraph uses a Phase Induced Amplitude Apodization (PIAA) design which means it will be able to image planets closer to
Subaru_Telescope
Interchangeable camera lens announced by Fujifilm
is a comparison between Fuji's 56mm f/1.2 and their 56mm f/1.2 APD (apodization filter)", Fuji vs Fuji "Fujifilm announces $999 56mm F1.2 WR R lens for
Fujinon_XF_56mm_F1.2_R
Thin opaque structure with an opening (aperture) at its center
lenses, the sector aperture of Seibold's Dreamagon, or the circular apodization filter in the Minolta/Sony Smooth Trans Focus or Fujifilm APD lenses
Diaphragm_(optics)
Mirrorless camera lens mount
improve bokeh. According to Canon, the effect is similar to that of an apodization filter, but achieved through special lens coatings instead of a filter
Canon_RF_lens_mount
Lithography using 13.5 nm UV light
aberration budget. Wavelength dependence of reflectance also affects the apodization, or illumination distribution across the pupil (for different angles);
Extreme ultraviolet lithography
Extreme_ultraviolet_lithography
American mathematician (1923–2011)
and Part II", Nuclear Science and Engineering, 1982; with J. N. Kibe, "Apodization for Maximum Central Irradiance and Specified Large Rayleigh Limit of
J._Ernest_Wilkins_Jr.
Pulse-shaping filter in digital modulation
called root-raised-cosine filters. Raised cosine is a commonly used apodization filter for fiber Bragg gratings. "Michael Zoltowski - Equations for the
Raised-cosine_filter
Photographic technique
function. This closely resembles the Bokeh-pleasing optical effect of the apodization filter in the Minolta/Sony STF 135 mm f/2.8 [T4.5]'s special-purpose
Bracketing
Planned space telescope
diameter telescope-mounted coronagraph called PIAA (Phase Induced Amplitude Apodized Coronagraph) to suppress starlight in order to be able to detect fainter
Exoplanetary Circumstellar Environments and Disk Explorer
Exoplanetary_Circumstellar_Environments_and_Disk_Explorer
Component of a photographic camera
the diaphragm is outside of the lens (like a focal plane shutter or apodization filter). The term diaphragm shutter has also been used to describe an
Shutter_(photography)
Diffraction pattern in optics
{\displaystyle c\equiv {\sqrt {(k_{x}a)^{2}+(k_{y}b)^{2}}}.} Amateur astronomy Apodization Fraunhofer diffraction Bloom (shader effect) Circle of confusion Newton's
Airy_disk
Brown dwarf
"High-contrast observations of brown dwarf companion HR 2562 B with the vector Apodizing Phase Plate coronagraph". Monthly Notices of the Royal Astronomical Society
HR_2562_B
LPFGs, LPFGs with superstructures, chirped gratings, and gratings with apodization. Various LPFG-based devices have been developed: filters, sensors, fiber
Long-period_fiber_grating
Constellation in the southern celestial hemisphere
Paul S. (2015). "Searching for Planets in Holey Debris Disks with the Apodizing Phase Plate". The Astrophysical Journal. 800 (1): 5. arXiv:1412.5179.
Horologium_(constellation)
Technique to analyze the infrared spectrum of matter
by a function that approaches zero at the maximum OPD. This so-called apodization reduces the amplitude of any sidelobes and also the noise level at the
Fourier-transform infrared spectroscopy
Fourier-transform_infrared_spectroscopy
Far-field diffraction
has no secondary rings. This technique can be used in a process called apodization—the aperture is covered by a Gaussian filter, giving a diffraction pattern
Fraunhofer_diffraction
Audiophile audio processing technology
common for consumer DACs to include user selectable filters, including apodization filters intended to improve time domain transient response without knowledge
Master_Quality_Authenticated
Brand of optical lenses
modes are not available. The following abbreviations are used: APD: Apodization element LM: Linear Motor for autofocus OIS: Optical image stabilization
Fujinon
Type of interchangeable lens mount
XF 56mm f/1.2 R APD: Similar to the earlier 56 mm f/1.2 R, but adds an apodizing filter to optimize bokeh for portrait shooting. Officially announced on
Fujifilm_X-mount
Concept in physics
neighboring objects, or extended galaxy profiles, so it is typical to use apodized moments instead: q x x = ∑ ( x − x ¯ ) 2 w ( x − x ¯ , y − y ¯ ) I ( x
Gravitational lensing formalism
Gravitational_lensing_formalism
Function for integral Fourier-like transform
x ( t ) {\displaystyle x(t)} . The window function may be some other apodizing filter, such as a Gaussian. The choice of windowing function will affect
Wavelet
{\displaystyle {\frac {d}{2}}} . However, there exist techniques, such as apodization that may be used to reduce the near field size. Dreyer, T.; Krauss, W
Self-focusing_transducers
Frequency of a chirp pulse
shaping is provided by a window function, a process sometimes called apodization. In the case of an antenna array, similar profiling by "weighting functions"
Chirp_spectrum
Mathematical explanation of far field diffraction
apertures, it has no secondary rings. This can be used in a process called apodization - the aperture is covered by a filter whose transmission varies as a
Fraunhofer diffraction equation
Fraunhofer_diffraction_equation
refraction of the sample). P ( θ ) {\displaystyle P(\theta )} is the apodization function of the microscope ( P ( θ ) = cos θ {\displaystyle P(\theta
Light_field_microscopy
Manufacturer of innovative photographic lenses
infinity. Minimum chromatic aberration. 105 f/2 (t/3.2) Full frame 105 Smooth Trans Focus (STF) 2016 Built in apodization element for creative photography.
Venus_Optics
Anthony; Smith, George (1998). "Influence of Stiles–Crawford effect apodization on spatial visual performance". Journal of the Optical Society of America
Stiles–Crawford_effect
the integration of an apodization element, branded as STF (Smooth Trans-Focus) by Minolta, Sony, and Venus Optics, APD (apodization) by Fujifilm, and DS
History of photographic lens design
History_of_photographic_lens_design
Star in the constellation Horologium
(February 2015). "Searching for Planets in Holey Debris Disks with the Apodizing Phase Plate". The Astrophysical Journal. 800 (1): 5. arXiv:1412.5179.
Nu_Horologii
2017-03-14. Retrieved 2022-11-21. "Venus Optics launches Laowa 105mm F2 with apodization element". DPReview. Retrieved 2022-11-21. "Venus Laowa 15mm F4.5 Zero-D
List of third-party Sony E-mount lenses
List_of_third-party_Sony_E-mount_lenses
trans focus. A special purpose lens for pleasant Bokeh utilizing an apodization filter, or an autobracketing function to achieve the same effect Sony
List of abbreviations in photography
List_of_abbreviations_in_photography
to reduce the effects of data-dependent processing artifacts, optical apodization and antenna array design. Due to the various applications of multi-dimensional
Two-dimensional_window_design
Slovak-Canadian engineer and physicist
Densmore, A.; Lapointe, J.; Molina-Fernández, í. (2010-10-01). "Continuously apodized fiber-to-chip surface grating coupler with refractive index engineered
Pavel_Cheben
{\displaystyle (u,v)} in the pupil, sometimes deliberately for the purpose of apodization. Such change in amplitude of the light wave is described by the factor
Pupil_function
Program within NASA
a 1.4 metre optical telescope fitted with a phase-induced amplitude apodization coronagraph, to image and characterize nearby exoplanets and zodiacal
Astrophysics Strategic Mission Concept Studies
Astrophysics_Strategic_Mission_Concept_Studies
Audio signal processing technique
have a bell-shaped profile, by means of a weighting (or windowing, or apodization) function, lower level sidelobes are obtained. When windowing is implemented
Chirp_compression
Photographic lens
optionally equipped with a focus confirmation chip. The lens features an apodization filter element within the lens itself which lends itself to producing
Venus Optics Laowa 105mm f/2 Smooth Trans Focus
Venus_Optics_Laowa_105mm_f/2_Smooth_Trans_Focus
Astronomical imaging project at Palomar Observatory
instruments behind Project 1640 is an Integral field spectrograph (IFS) and an Apodized-pupil Lyot coronagraph at the Hale Telescope at Palomar. This instrument
Project_1640
( j ) {\displaystyle a_{l}(j)} represents the jth receive element's apodization factor. r ( t ) {\displaystyle r(t)} represents the received signal and
Synthetic_aperture_ultrasound
Littman, Michael G. (January 2003). "Extrasolar Planet Finding via Optimal Apodized-Pupil and Shaped-Pupil Coronagraphs". The Astrophysical Journal. V.582
N._Jeremy_Kasdin
Star in the constellation Pictor
"High-contrast observations of brown dwarf companion HR 2562 B with the vector Apodizing Phase Plate coronagraph". Monthly Notices of the Royal Astronomical Society
HR_2562
F-type star in the constellation Cetus
was discovered in 2015 by Meshkat et al., using direct imaging from the Apodizing Phase Plate coronagraph at the Very Large Telescope with NaCo. HD 984
HD_984
APODIZATION
APODIZATION
APODIZATION
APODIZATION
Boy/Male
Indian
Divya Drashti
Boy/Male
Hindu, Indian, Tamil, Traditional
Attraction
Male
Greek
Variant spelling of Greek Samouel, SAMOUL means "heard of God," "his name is El," or "name of God."Â
Surname or Lastname
English
English : variant of Orme.
Girl/Female
Latin
Little darling.
Girl/Female
English American French Latin
Lord.
Girl/Female
Norse
Pointed.
Girl/Female
Arabic
Fair
Boy/Male
African Arabic
Teacher.
Boy/Male
Tamil
Help, Lord Shiva
APODIZATION
APODIZATION
APODIZATION
APODIZATION
APODIZATION