aperture synthesis method

См. также в других словарях:

• Aperture synthesis — or synthesis imaging is a type of interferometry that mixes signals from a collection of telescopes to produce images having the same angular resolution as an instrument the size of the entire collection. At each separation and orientation, the… …   Wikipedia

• Aperture masking interferometry — is a form of speckle interferometry, allowing diffraction limited imaging from ground based telescopes. This technique allows ground based telescopes to reach the maximum possible resolution, allowing ground based telescopes with large diameters… …   Wikipedia

• Synthetic aperture radar — (SAR) is a form of radar in which the highly directional (and thus very large) rotating antenna used by conventional radar is replaced with many low directivity small stationary antenna positions scattered over some area near or around the target …   Wikipedia

• Inverse synthetic aperture radar — (ISAR) is a technique to generate a two dimensional high resolution image of a target.In situations where other radars display only a single unidentifiable bright moving pixel, the ISAR image is often adequate to discriminate between various… …   Wikipedia

• Synthetic-aperture magnetometry — (SAM) is a method for analysis of data obtained from magnetoencephalography (MEG) and electroencephalography (EEG). SAM is a nonlinear beamforming approach which can be thought of as a spatial filter.Fact|date=October 2008ee also* Aperture… …   Wikipedia

• Magellan (spacecraft) — Magellan Artist s depiction of Magellan at Venus Operator NASA / JPL Major contractors Martin Marietta / Hughes Aircraft …   Wikipedia

• Astronomical optical interferometry — One of the first astronomical interferometers was built on the Mount Wilson Observatory s reflector telescope in 1920 in order to measure the diameters of stars. The red giant star Betelgeuse was among the first to have its diameter determined in …   Wikipedia

• telescope — /tel euh skohp /, n., adj., v., telescoped, telescoping. n. 1. an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens… …   Universalium

• History of astronomical interferometry — See also: astronomical interferometerWilliam Herschel knew as early as 1779 (Herschel 1805) that stars appeared much larger in telescopes than they really were but he did not know why. When Thomas Young demonstrated interference and the wave… …   Wikipedia

• cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… …   Universalium

• Radar — For other uses, see Radar (disambiguation). A long range radar antenna, known as ALTAIR, used to detect and track space objects in conjunction with ABM testing at the Ronald Reagan Test Site on Kwajalein Atoll …   Wikipedia