frequency-modulation broadcasting
81Mobile radio — This article is about professional equipment. For mobile radios used in amateur radio, see amateur radio mobile operation. Mobile radio or mobiles refer to wireless communications systems and devices which are based on radio frequencies, and… …
82FM — 1. Electronics. frequency modulation: a method of impressing a signal on a radio carrier wave by varying the frequency of the carrier wave. 2. Radio. a system of radio broadcasting by means of frequency modulation. 3. of, pertaining to, or… …
83Overscan — is extra image area around the four edges of a video image that may not be seen reliably by the viewer. It exists because television sets in the 1930s through 1970s were highly variable in how the video image was framed within the cathode ray… …
84electromagnetic 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… …
85Liste von Abkürzungen (Computer) — Dies ist eine Liste technischer Abkürzungen, die im IT Bereich verwendet werden. Inhaltsverzeichnis A B C D E F G H I J K L M N O P Q R S T U V W X Y Z siehe auch: Liste von Dateiendu …
86Comparison of radio systems — Many of the world s radio stations broadcast in a variety of analog and digital formats. This page will list and compare them in chart form. World radio systems (Terrestrial) System Type Modulation Data rate Sidebands? Ch. Bandwidth (KHz) Radio… …
87History of radio — The pre history and early history of radio is the history of technology that produced radio instruments that use radio waves. Within the timeline of radio, many people contributed theory and inventions in what became radio.… …
88Klystron — A klystron is a specialized linear beam vacuum tube (evacuated electron tube). Klystrons are used as amplifiers at microwave and radio frequencies to produce both low power reference signals for superheterodyne radar receivers and to produce high …
89Demodulation — Passband modulation v · d · e Analog modulation AM · …
90Amateur television — Fast scan redirects here. For the ultrasound assessment used in trauma, see Focused assessment with sonography for trauma. Amateur television (ATV) is the transmission of Broadcast quality video and audio over the wide range of frequencies of… …
