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SCANFAR
The Hughes SCANFAR was the first phased array radar system to be deployed by the US Navy, installed on the and . It consisted of two search radars, the AN/SPS-32 and the AN/SPS-33. In 1982, the system was removed from ''Long Beach'', and was replaced by the AN/SPS-48 during a comprehensive overhaul. Aboard the ''Long Beach'', the system used AN/SPG-55 radars for missile guidance. Despite its failure to enter widespread service, the lessons learned were applied to the follow-on Aegis Combat System and the associated AN/SPY-1 passive electronically scanned array (PESA) radar. History Prior to the development of SCANFAR, the Navy had been developing an advanced anti-aircraft weapon system combining an extremely advanced radar system, the AN/SPG-59, with a new long-range missile known as the RIM-50 Typhon. The radar was an active electronically scanned array that acted both as a long-range surveillance system as well as the target illumination and guidance system for the missiles. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Military Electronics Of The United States
This article lists American military electronic instruments/systems along with brief descriptions. This list specifically identifies electronic devices which are assigned designations according to the Joint Electronics Type Designation System, beginning with the AN/ prefix. They are grouped below by the first designation letter following this prefix. The list is organized as sorted tables that also reflect the purpose, uses and manufacturers of each listed item. A AAx - Piloted Aircraft Invisible Light, Heat Radiation Systems ACx - Piloted Aircraft Signal Carrier, Communications ADx - Piloted Aircraft Radioactivity Detection, Identification, and Computation (RADIAC) AJx - Piloted Aircraft Electromechanical/Inertial Systems ALx - Piloted Aircraft Countermeasures Systems AMx - Aircraft Meteorological Systems APx - Piloted Aircraft Radar Systems AQx - Piloted Aircraft Sonar Systems ARx - Piloted Aircraft Radio Systems ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Radars
A radar is an electronic system used to determine and detect the range of target and maps various types of targets. This is a list of radars. Argentina Australia Brazil Egypt Europe India Military Airborne *LCA MMR - 3D advanced, lightweight multimode fire control radar for LCA Tejas, HAL Tejas Mk1 aircraft derived from EL/M-2032. * DRDO AEW&CS, Netra AEW&CS - 3D AESA Airborne early warning and control, AEW&C radar installed on an ERJ 145 aircraft. Naval *XV-2000 3D airborne naval surveillance radar for Dornier 228 maritime patrol aircraft. *Revathi 3D Naval Medium range surveillance radar derived from the 3D CAR for Shivalik-class frigate, Shivalik-class frigates. Land-based *Swordfish Long Range Tracking Radar, Swordfish LRTR - Active electronically scanned array, AESA long-range tracking radar for Ballistic missile defence surveillance and fire control. *Arudhra MPR - Static 4D AESA Medium power radar for airspace surveillance for ranges exceeding 300 km. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hughes Aircraft Company
The Hughes Aircraft Company was a major American aerospace and defense contractor founded on February 14, 1934 by Howard Hughes in Glendale, California, as a division of the Hughes Tool Company. The company produced the Hughes H-4 Hercules aircraft, the atmospheric entry probe carried by the ''Galileo'' spacecraft, and the AIM-4 Falcon guided missile. Hughes Aircraft was founded to build Hughes' H-1 Racer world speed record aircraft, and later modified other aircraft for his transcontinental and global circumnavigation speed record flights. The company relocated to Culver City, California, in 1940 and began manufacturing aircraft parts as a subcontractor. Hughes attempted to mold it into a major military aircraft manufacturer during World War II. However, its early military projects ended in failure, with millions of dollars in U.S. government funds expended for only a handful of prototypes, resulting in a highly publicized U.S. Senate investigation into alleged mismanage ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
RIM-8 Talos
Bendix RIM-8 Talos was a long-range naval surface-to-air missile (SAM), among the earliest SAMs to equip United States Navy ships. The Talos used radar beam riding for guidance to the vicinity of its target, and semi-active radar homing (SARH) for terminal guidance. The four antennas surrounding the nose were SARH receivers, which functioned as a continuous wave interferometer. A solid rocket booster provided thrust for launch and a Bendix ramjet powered its flight to the target, with the warhead serving as the ramjet's compressor. History Talos was the end product of Operation Bumblebee, the Navy's 16-year surface-to-air missile development program for protection against guided anti-ship missiles like Henschel Hs 293 glide bombs, Fritz X, and kamikaze aircraft. The Talos was the primary effort behind the Bumblebee project but was not the first missile the program developed; the RIM-2 Terrier was the first to enter service. The Talos was originally designated SAM-N-6 and was ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Military Radars Of The United States
A military, also known collectively as armed forces, is a heavily armed, highly organized force primarily intended for warfare. Militaries are typically authorized and maintained by a sovereign state, with their members identifiable by a distinct military uniform. They may consist of one or more military branches such as an army, navy, air force, space force, marines, or coast guard. The main task of a military is usually defined as defence of their state and its interests against external armed threats. In broad usage, the terms "armed forces" and "military" are often synonymous, although in technical usage a distinction is sometimes made in which a country's armed forces may include other paramilitary forces such as armed police. Beyond warfare, the military may be employed in additional sanctioned and non-sanctioned functions within the state, including internal security threats, crowd control, promotion of political agendas, emergency services and reconstruction, pro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Naval Radars
A navy, naval force, military maritime fleet, war navy, or maritime force is the military branch, branch of a nation's armed forces principally designated for naval warfare, naval and amphibious warfare; namely, lake-borne, riverine, littoral zone, littoral, or ocean-borne combat operations and related functions. It includes anything conducted by surface Naval ship, ships, amphibious warfare, amphibious ships, submarines, and seaborne naval aviation, aviation, as well as ancillary support, communications, training, and other fields. The strategic offensive role of a navy is Power projection, projection of force into areas beyond a country's shores (for example, to protect Sea lane, sea-lanes, deter or confront piracy, ferry troops, or attack other navies, ports, or shore installations). The strategic defensive purpose of a navy is to frustrate seaborne projection-of-force by enemies. The strategic task of a navy also may incorporate nuclear deterrence by use of submarine-launche ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Federation Of American Scientists
The Federation of American Scientists (FAS) is an American nonprofit global policy think tank with the stated intent of using science and scientific analysis to attempt to make the world more secure. FAS was founded in 1945 by a group of scientists, some of whom had previously contributed to the development of nuclear weapons in the Manhattan Project. The Federation of American Scientists states that it aims to reduce the amount of nuclear weapons that are in use, and prevent nuclear and radiological terrorism. It says it aims to present high standards for nuclear energy's safety and security, illuminate government secrecy practices, as well as track and eliminate the global illicit trade of conventional, nuclear, biological and chemical weapons. With 100 sponsors, the Federation of American Scientists says that it promotes a safer and more secure world by developing and advancing solutions to important science and technology security policy problems by educating the public and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
S Band
The S band is a designation by the Institute of Electrical and Electronics Engineers (IEEE) for a part of the microwave band of the electromagnetic spectrum covering frequencies from 2 to 4 gigahertz (GHz). Thus it crosses the conventional boundary between the UHF and SHF bands at 3.0 GHz. The S band is used by airport surveillance radar for air traffic control, weather radar, surface ship radar, and some communications satellites, particularly satellites used by NASA to communicate with the Space Shuttle and the International Space Station. The 10 cm radar short-band ranges roughly from 1.55 to 5.2 GHz. India's regional satellite navigation network ( IRNSS) broadcasts on 2.483778 to 2.500278 GHz. The S band also contains the 2.4–2.483 GHz ISM band, widely used for low power unlicensed microwave devices such as cordless phones, wireless headphones (Bluetooth), garage door openers, keyless vehicle locks, baby monitors as well as for medical ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Superstructure
A superstructure is an upward extension of an existing structure above a baseline. This term is applied to various kinds of physical structures such as buildings, bridges, or ships. Aboard ships and large boats On water craft, the superstructure consists of the parts of the ship or a boat, including sailboats, fishing boats, passenger ships, and submarines, that project above her main deck. This does not usually include its Mast (sailing), masts or any armament gun turret, turrets. Note that, in modern times, turrets do not always carry naval artillery. They can also carry missile launchers and/or antisubmarine warfare weapons. The size of a watercraft's superstructure can have many implications in the performance of ships and boats, since these structures can alter their structural rigidity, their displacements, and/or stability. These can be detrimental to any vessel's performance if they are taken into consideration incorrectly. The height and the weight of superstructure ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vacuum Tube
A vacuum tube, electron tube, thermionic valve (British usage), or tube (North America) is a device that controls electric current flow in a high vacuum between electrodes to which an electric voltage, potential difference has been applied. It takes the form of an evacuated tubular envelope of glass or sometimes metal containing electrodes connected to external connection pins. The type known as a thermionic tube or thermionic valve utilizes thermionic emission of electrons from a hot cathode for fundamental Electronics, electronic functions such as signal amplifier, amplification and current Rectifier, rectification. Non-thermionic types such as vacuum phototubes achieve electron emission through the photoelectric effect, and are used for such purposes as the detection of light and measurement of its intensity. In both types the electrons are accelerated from the cathode to the anode by the electric field in the tube. The first, and simplest, vacuum tube, the diode or Flem ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
RIM-24 Tartar
The General Dynamics RIM-24 Tartar was a medium-range naval surface-to-air missile (SAM), among the earliest SAMs to equip United States Navy ships. The Tartar was the third of the so-called "3 Ts", the three primary SAMs the Navy fielded in the 1960s and 1970s, the others being the RIM-2 Terrier and RIM-8 Talos. History The Tartar was born of a need for a more lightweight system for smaller ships that could engage targets at very close range. Essentially, the Tartar was simply a RIM-2C Terrier without the secondary booster. The Tartar was never given a SAM-N-x designation and was referred to as Missile Mk 15 until the unified Army-Navy designation system was introduced in 1963. The Tartar was used on several ships of a variety of sizes. Initially, the Mk 11 twin-arm launcher was used; later ships used the Mk 13 and Mk 22 single-arm launchers. Early versions proved to be unreliable. The Improved Tartar retrofit program upgraded the earlier missiles to the much improved RIM-24 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Active Electronically Scanned Array
An active electronically scanned array (AESA) is a type of phased array antenna, which is a computer-controlled antenna array in which the beam of radio waves can be electronically steered to point in different directions without moving the antenna. In the AESA, each antenna element is connected to a small solid-state transmit/receive module (TRM) under the control of a computer, which performs the functions of a transmitter and/or receiver for the antenna. This contrasts with a passive electronically scanned array (PESA), in which all the antenna elements are connected to a single transmitter and/or receiver through phase shifters under the control of the computer. AESA's main use is in radar, and these are known as active phased-array radar (APAR). The AESA is a more advanced, sophisticated, second-generation of the original PESA phased-array technology. PESAs can only emit a single beam of radio waves at a single frequency at a time. The PESA must utilize a Butler matri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
