megahertz
121Sechsundzwanzigste Verordnung zur Durchführung des Bundes-Immissionsschutzgesetzes — Basisdaten Titel: Sechsundzwanzigste Verordnung zur Durchführung des Bundes Immissionsschutzgesetzes Kurztitel: Verordnung über elektromagnetische Felder Abkürzung: 26. BImSchV Art: Bundesrechtsverordnung …
122Verordnung über elektromagnetische Felder — Basisdaten Titel: Sechsundzwanzigste Verordnung zur Durchführung des Bundes Immissionsschutzgesetzes Kurztitel: Verordnung über elektromagnetische Felder Abkürzung: 26. BImSchV Art: Bundesrechtsverordnung Geltungsbereich: Bundesrepublik D …
123Paddy McAloon — Nom Patrick Joseph McAloon Naissance 7 juin 1957 Durham Paddy McAloon, (Patrick Joseph McAloon) est un compositeur, chanteur et guitariste anglais de musique pop né le 7 juin 1957 à Durham[1], (Angleterre). Il forme le groupe Prefab Sprout …
124alternating current — an electric current that reverses direction at regular intervals, having a magnitude that varies continuously in sinusoidal manner. Abbr.: ac Cf. direct current. [1830 40] * * * ▪ electronics abbreviation AC flow of electric charge that… …
125broadcasting — /brawd kas ting, kah sting/, n. 1. the act of transmitting speech, music, visual images, etc., as by radio or television. 2. radio or television as a business or profession: She s training for a career in broadcasting. [1920 25; BROADCAST + ING1] …
126radar — /ray dahr/, n. 1. Electronics. a device for determining the presence and location of an object by measuring the time for the echo of a radio wave to return from it and the direction from which it returns. 2. a means or sense of awareness or… …
127ultrasonics — /ul treuh son iks/, n. (used with a sing. v.) the branch of science that deals with the effects of sound waves above human perception. [1930 35; see ULTRASONIC, ICS] * * * Vibrational or stress waves in elastic media that have a frequency above… …
128Frequency band designations — ▪ Table Frequency band designations frequency designation frequency range wavelength range very low frequencies (vlf) 3–30 kilohertz 100,000–10,000 m low frequencies (lf) 30–300 kilohertz 10,000–1,000 m medium frequencies (mf) 300–3,000 kilohertz …
