point-spread functions

См. также в других словарях:

• Point spread function — The point spread function (PSF) describes the response of an imaging system to a point source or point object. A related but more general term for the PSF is a system s impulse response. The PSF in many contexts can be thought of as the extended… …   Wikipedia

• Spread Toolkit — Infobox Software name = The Spread Toolkit developer = Spread Concepts LLC latest release version = 4.0 latest release date = December 4 2006 released = 1993 status = Active programming language = C operating system = Cross platform genre = Group …   Wikipedia

• Spread spectrum — Passband modulation v · d · e Analog modulation AM · …   Wikipedia

• Apache Point Observatory Lunar Laser-ranging Operation — APOLLO shooting a laser at the Moon. The laser pulse is reflected from the retroreflectors on the Moon (see below) and returned to the telescope. The round trip time tells the distance to the Moon to great accuracy. In this picture the Moon is… …   Wikipedia

• Omega Point (Tipler) — The Omega Point is a term used by Tulane University professor of mathematics and physics Frank J. Tipler to describe what he maintains is a necessary cosmological state in the far future of the universe. According to his Omega Point Theory, as… …   Wikipedia

• Pilot Point, Texas — Infobox Settlement official name = Pilot Point, Texas settlement type = City nickname = motto = imagesize = image caption = image imagesize = image caption = image mapsize = 250px map caption = Location of Pilot Point in Denton County, Texas… …   Wikipedia

• Wireless access point — In computer networking, a wireless access point (WAP or AP) is a device that allows wireless communication devices to connect to a wireless network using Wi Fi, Bluetooth and related standards. The WAP usually connects to a wired network, and can …   Wikipedia

• Fourier optics — is the study of classical optics using techniques involving Fourier transforms and can be seen as an extension of the Huygens Fresnel principle. The underlying theorem that light waves can be described as made up of sinusoidal waves, in a manner… …   Wikipedia

• Optical resolution — This article is about optical resolution in optics. For the method of separating enantiomers in chemistry, see Chiral resolution. Optical resolution describes the ability of an imaging system to resolve detail in the object that is being imaged.… …   Wikipedia

• Moffat distribution — The Moffat distribution, named after the physicist Anthony Moffat, is a continuous probability distribution based upon the Lorentzian distribution. Its particular importance in astrophysics is due to its ability to accurately reconstruct point… …   Wikipedia

• optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… …   Universalium