Grid leak — is the small current through the grid of a thermionic valve into the circuit which feeds the grid. It is an inherent operating characteristic of triodes and other vacuum tubes.This current is caused by the small negative EMF which is present in… … Wikipedia
Grid-leak detector — A grid leak detector is a combination diode rectifier and audio amplifier used as a detector in vacuum tube A.M. radio receivers. In the circuit, the grid of the detector usually a low mu or medium mu triode is connected to the secondary of the… … Wikipedia
Detector (radio) — Passband modulation v · d · e Analog modulation AM · … Wikipedia
Plate detector (radio) — A plate detector is a vacuum tube detector circuit used in A.M. radios. This circuit employs a tube with an indirectly heated cathode, typically a medium mu triode, or a tetrode or pentode with a sharp cut off control grid. Rectification of R.F.… … Wikipedia
Microchannel plate detector — from the Daresbury Recoil Separator A micro channel plate (MCP) is a planar component used for detection of particles (electrons or ions) and impinging radiation (ultraviolet radiation and X rays). It is closely related to an electron multiplier … Wikipedia
Canny edge detector — The Canny edge detection operator was developed by John F. Canny in 1986 and uses a multi stage algorithm to detect a wide range of edges in images. Most importantly, Canny also produced a computational theory of edge detection explaining why the … Wikipedia
Explorer 1 — Infobox Spacecraft Name = Explorer 1 small|Satellite 1958 Alpha Organization = Army Ballistic Missile Agency Major Contractors = Jet Propulsion Laboratory Mission Type = Earth science Satellite Of = Earth Launch = February 1, 1958 at 03:48 UTC… … Wikipedia
AGILE — Organización Agencia Espacial Italiana Estado Activo Satélite de Tierra Fecha de lanzamiento 23 de abril de 2007 … Wikipedia Español
Explorer 1 — Explorer 1, 1958. Caractéristiques Organisation Army Ballistic Missile Agency … Wikipédia en Français
Explorer I — Explorer 1 Explorer 1 Explorer 1, 1958. Caractéristiques Organisation Army Ballistic Missile Agency (ABMA) et Jet … Wikipédia en Français