- wavebands
- n. range of radio waves
English contemporary dictionary. 2014.
English contemporary dictionary. 2014.
Active galactic nucleus — An active galactic nucleus (AGN) is a compact region at the centre of a galaxy which has a much higher than normal luminosity over some or all of the electromagnetic spectrum (in the radio, infrared, optical, ultra violet, X ray and/or gamma ray… … Wikipedia
Submillimetre astronomy — or submillimeter astronomy (see spelling differences) is the branch of observational astronomy that is conducted at submillimetre wavelengths of the electromagnetic spectrum. Astronomers place the submillimetre waveband between the far infrared… … Wikipedia
многоспектральное сканирующее устройство — — [http://www.eionet.europa.eu/gemet/alphabetic?langcode=en] EN multispectral scanner A remote sensing term referring to a scanning radiometer that simultaneously acquires images in various wavebands at the same time. A multispectral… … Справочник технического переводчика
ISM band — The industrial, scientific and medical (ISM) radio bands were originally reserved internationally for the use of RF electromagnetic fields for industrial, scientific and medical purposes other than communications. In general, communications… … Wikipedia
Shortwave — radio operates between the frequencies of 3,000 kHz (3.000 MHz) and 30,000 kHz (30.000 MHz) [ Tomislav Stimac, [http://www.vlf.it/frequency/bands.html Definition of frequency bands (VLF, ELF... etc.)] . IK1QFK Home Page (vlf.it).] and came to be… … Wikipedia
Astronomical seeing — Schematic diagram illustrating how optical wavefronts from a distant star may be perturbed by a layer of turbulent mixing in the atmosphere. The vertical scale of the wavefronts plotted is highly exaggerated. Astronomical seeing refers to the… … Wikipedia
Laser-guided bomb — A laser guided bomb (LGB) is a precision guided munition (PGM) that uses semi active laser homing to strike a designated target with greater accuracy than a free fall bomb. LGBs are one of the most common and widespread PGMs, used by a large… … Wikipedia
2MASS — Infobox Astronomical survey name = 2MASS caption = organization = UMass IPAC (JPLCaltech) NASA· NSF alt names = wavelength = infrared (2 mum, 1.25 mum, 1.65 mum, 2.17 mum) source = Two 1.3 m equatorially mounted Cassegrain reflector telescopes… … Wikipedia
Great Observatories program — Four Great Observatories satellites NASA s series of Great Observatories satellites are four large, powerful space based telescopes. Each of the Great Observatories has had a similar size and cost at program outset, and each has made a… … Wikipedia
Swift Gamma-Ray Burst Mission — Infobox Space telescope name = Swift Gamma Ray Burst Mission ( Swift ) caption = (credit: NASA) organization = NASA major contractors = alt names = nssdc id = location = orbit type = height = 600 km period = 90 min velocity = accel gravity =… … Wikipedia