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There are two main types of transmission media: guided media—waves are guided along a solid medium such as a transmission line; unguided media—transmission and reception are achieved by means of an antenna. One of the most common physical media used in networking is copper wire. Copper wire to carry signals to long distances using ...
In optical fiber communication, the medium is an optical (glass-like) fiber. Other guided media might include coaxial cables, telephone wire, twisted-pairs, etc... The other type of media, unguided media, refers to any communication channel that creates space between the transmitter and receiver. For radio or RF communication, the medium is air.
1. "Body Alone Aerodynamics of Guided and Unguided Projectiles at Subsonic, Transonic, and Supersonic Mach Numbers", NWL TR-3796, Nov 1972. 2. "Aerodynamic Drag and Lift of General Body Shapes at Subsonic, Transonic, and Supersonic Mach Numbers", AGARD CP-124, AGARD Conference on Aerodynamic Drag, Izmir, Turkey, April 1973. 3.
The JF-17 can deploy diverse ordnance, including air-to-air, air-to-surface, and anti-ship missiles, guided and unguided bombs, and a 23 mm GSh-23-2 twin-barrel autocannon. Powered by a Guizhou WS-13 or Klimov RD-93 afterburning turbofan , it has a top speed of Mach 1.6. [ 4 ]
Since then, Russian jets on ground attack missions have mostly stopped trying to penetrate far into Ukrainian airspace, and have instead moved to hurriedly lobbing unguided bombs and rockets at ...
The helmet sight is fully integrated with FCS to control guided and unguided munitions and display onboard navigation information. [43] The pilots can slave the sensor suite and 23 mm (0.91 in) autocannon to their helmets, controlling the sensors and autocannon direction by turning their heads. [ 27 ]
The 5-inch (127 mm) Laser Guided Zuni Rocket is a precision weapon and an upgrade to the unguided Zuni rocket. The North American division of MBDA is the only manufacturer of the Laser Guided Zuni Rocket, [20] which is similar to the Advanced Precision Kill Weapon System upgrade to the Hydra 70 system. [21]
Hospitals across the country are suspending or reevaluating their gender-affirming care programs for patients under 19, creating fear and confusion among transgender youth and their families.