traveling-wave antenna
41Capacitor — This article is about the electronic component. For the physical phenomenon, see capacitance. For an overview of various kinds of capacitors, see types of capacitor. Capacitor Modern capacitors, by a cm ruler Type Passive …
42Valve RF amplifier — A valve RF amplifier (UK and Aus.) or tube amplifier (U.S.), is a device for electrically amplifying the power of an electrical , typically (but not exclusively) radio frequency signals.Low to medium power valve amplifiers for frequencies below… …
43List of inventors — This is a list of inventors. See also: List of scientists, Timeline of invention, List of inventions named after people, List of inventors killed by their own inventions, and . Alphabetical list compactTOC NOTOC A * Vitaly Mikhaylovich Abalakov,… …
44Electronic component — Various components An electronic component is a basic electronic element and may be available in a discrete form having two or more electrical terminals (or leads). These are intended to be connected together, usually by soldering to a printed… …
45RES-1 Radar — is a mobile radar designed to provide precise position data of medium low altitude aircraft, which is mainly used in the air defense, coastal defense or battlefield air defense. It is manufactured and exported by the Nanjing Changjiang Machinery… …
46Sky Bow — The Sky Bow series of surface to air missiles were developed by the Republic of China (Taiwan) and are currently in used for air defense purposes. Contents 1 Development 2 Sky Bow I 2.1 General characteristics …
47Telstar — /tel stahr /, Trademark. 1. one of an early series of privately financed, low orbit, active communications satellites, the first of which was launched July 10, 1962. 2. one of a later series of privately financed, geosynchronous communications… …
48electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… …
49Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
50Electromagnetic radiation — Electromagnetism Electricity · …
