passive radar การใช้

• Recently, his main area of research has been in airborne passive radars.
• Passive radar depends upon the object sending a signal to the receiver.
• The new technology, called passive radar, watches signals from common cell phone transmissions.
• :* Passive RADAR detects signals emitted or reflected off the plane from other sources.
• Kh-31P passive radar seeker missiles are used as anti-radiation missiles.
• In a passive radar system, there is no dedicated transmitter.
• Brownstone believes China, Japan and Russia already have passive radar in various stages of development.
• The radar system, nicknamed Kolchuga after the Russian word for chain-mail armor, is a so-called passive radar system.
• Still, the passive radar technology is basically sound, said Nick Cook, an aerospace consultant for Jane's Defence Weekly.
• The passive radar system has drawbacks.
• Here : and of course Passive radar . talk ) 20 : 40, 15 February 2010 ( UTC)
• The B-29s and B-25s carried an assortment of active and passive radar jamming devices to provide the ECM training.
• Line of sight, effectively increasing the radar cross section ( RCS ) in other directions, which the passive radars monitor.
• The US HDTV standard is particularly good for passive radar, having an excellent ambiguity function and very high power transmitters.
• Work began on an anti-radar missile derived from the Kh-66 in 1972, using a passive radar seeker and SUR-73 autopilot.
• Passive radar accuracy is a strong function of the deployment geometry and the number of receivers and transmitters being used.
• Ships, for example, may be detected via passive radar or active radar homing, less effective against multiple, small, fast-moving land targets.
• Even if the aircraft is made totally invisible to active radar, there is no way to make it invisible to passive radar.
• The rise of cheap computing power and digital receiver technology in the 1980s led to a resurgence of interest in passive radar technology.
• Missile systems use infra-red, passive radar / ESM or semi-active radar terminal guidance to guide missiles to the targeted enemy aircraft or other threats.