antenna field gain
91Microphone — For the indie film, see Microphone (film). Microphones redirects here. For the indie band, see The Microphones. A …
92Defence Research and Development Organisation — Sanskrit: बलस्य मूलं विज्ञानम् Strength s Origin is in Science [1] Agency overvi …
93Passive radar — systems (also referred to as passive coherent location and passive covert radar) encompass a class of radar systems that detect and track objects by processing reflections from non cooperative sources of illumination in the environment, such as… …
94Regenerative circuit — The regenerative circuit (or self regenerative circuit) allows an electronic signal to be amplified many times by the same vacuum tube or other active component such as a field effect transistor.Description Regenerative circuits were employed in… …
95Direction finding — (DF) refers to the establishment of the direction from which a received signal was transmitted. This can refer to radio or other forms of wireless communication. By combining the direction information from two or more suitably spaced receivers… …
96Secondary surveillance radar — SSR antenna of Deutsche Flugsicherung at Neubrandenburg, in Mecklenburg/Western Pomerania Secondary surveillance radar (SSR)[1] is a radar system used in air traffic control (ATC), that not only detects an …
97Magellan probe — Infobox Spacecraft Name = Magellan Caption = Magellan spacecraft and Inertial Upper Stage being launched from the cargo bay of Space Shuttle Atlantis Organization = NASA, CNES Major Contractors = Mission Type = Orbiter Satellite Of = Venus… …
98Beamforming — is a signal processing technique used in sensor arrays for directional signal transmission or reception. This spatial selectivity is achieved by using adaptive or fixed receive/transmit beampattern. The improvement compared with an… …
99Sukhoi Su-30MKK — Infobox Aircraft name=Su 30MKK caption= Venezuelan Su 30MK2 type= Multirole Fighter, Strike fighter, Heavy class fighter manufacturer=KnAAPO designer=Sukhoi first flight= introduced=December 2000 retired= status=Active service primary user=People …
100Cavity magnetron — Magnetron with section removed (magnet is not shown) …
