The control of electric currents in solids is at the origin of modern electronics which has revolutionised our daily life. The diode and the transistor introduced by Braun and Bardeen and Brattain are undoubtedly the corner stones of modern information technologies. Such devices allow for rectifying, switching, modulating, and even …
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The GPS system provides critical positioning capabilities to military, civil, and commercial users around the world. The Global Positioning System (GPS), is a global navigation satellite system (GNSS) that provides location and time information in all weather conditions, anywhere on or near the Earth where there is an unobstructed line of …
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U.S. military researchers are asking industry to develop secure radio frequency (RF) transmitter and receiver technologies to enable the next generation of secure military tactical radio systems. Tactical communications is critical requirement of military communications in which information of any kind, especially orders and military intelligence, are conveyed from one …
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