FM broadcasting
FM broadcasting is a method of radio broadcasting using frequency modulation (FM) technology. Invented in 1933 by American engineer Edwin Armstrong, it is used worldwide to provide high-fidelity sound over broadcast radio. FM broadcasting
FM broadcasting is capable of better sound quality than AM broadcasting, the chief competing radio broadcasting technology, so it is used for most music broadcasts. FM radio stations use the VHF
VHF frequencies
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In physics and engineering, the time constant, usually denoted by the Greek letter τ (tau), is the parameter characterizing the response to a step input of a first-order, linear time-invariant (LTI) system.[1][note 1] The time constant is the main characteristic unit of a first-order LTI system. In the time domain, the usual choice to explore the time response is through the step response to a step input, or the impulse response to a Dirac delta function
Dirac delta function input.[2] In the frequency domain (for example, looking at the
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KENZ may refer to: KENZ (FM), a radio station (94.9 FM) licensed to serve Provo, Utah, United States KHTB, a radio station (101.9 FM) licensed to serve Ogden, Utah, which held the call sign KENZ from 2005 to 2015 Kenz-Küstrow, a German villageThis disambiguation page lists articles associated with the title KENZ. If an internal link led you here, you may wish to change the link to point directly to the
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Coordinates: 13°N 122°E / 13°N 122°E / 13; 122 Republic
Republic of the Philippines Republika ng PilipinasFlagCoat of armsMotto: "Maka-Diyos, Maka-Tao, Makakalikasan at Makabansa"[1] "For God, People, Nature, and Country"Anthem: Lupang Hinirang Chosen LandGreat SealDakilang Sagisag ng Pilipinas (Tagalog) Great Seal of the PhilippinesCapital Manilaa 14°35′N 120°58′E / 14.583°N 120.967°E / 14.583; 120.967Largest city
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The Caribbean
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Caribbean (/ˌkærɪˈbiːən/ or /kəˈrɪbiən/, local most common pronunciation /ˈkærɪˌbiːən/)[3] is a region that consists of the Caribbean
Caribbean Sea, its islands (some surrounded by the Caribbean Sea[4] and some bordering both the Caribbean Sea
Caribbean Sea and the North Atlantic Ocean)[5] and the surrounding coasts. The region is southeast of the Gulf of Mexico
Gulf of Mexico and the North American mainland, east of Central America, and north of South America. Situated largely on the Caribbean
Caribbean Plate, the region comprises more than 700 islands, islets, reefs and cays
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Europe
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Europe is a continent located entirely in the Northern Hemisphere
Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic
Arctic Ocean to the north, the Atlantic Ocean
Atlantic Ocean to the west, and the Mediterranean Sea to the south. It comprises the westernmost part of Eurasia. Since around 1850, Europe
Europe is most commonly considered as separated from Asia
Asia by the watershed divides of the Ural and Caucasus
Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways of the Turkish Straits.[5] Though the term "continent" implies physical geography, the land border is somewhat arbitrary and has moved since its first conception in classical antiquity
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Greenland
Greenland (Greenlandic: Kalaallit
Kalaallit Nunaat, pronounced [kalaːɬit nunaːt]; Danish: Grønland, pronounced [ˈɡʁɶnˌlanˀ]) is an autonomous constituent country within the Kingdom of Denmark
Kingdom of Denmark between the Arctic
Arctic and Atlantic Oceans, east of the Canadian Arctic Archipelago
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Africa
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Africa is the world's second largest and second most-populous continent (the first being Asia
Asia in both categories). At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area and 20% of its total land area.[3] With 1.2 billion[1] people as of 2016, it accounts for about 16% of the world's human population. The continent is surrounded by the Mediterranean Sea
Mediterranean Sea to the north, both the Suez Canal and the Red Sea
Red Sea along the Sinai Peninsula
Sinai Peninsula to the northeast, the Indian Ocean
Ocean to the southeast and the Atlantic Ocean
Atlantic Ocean to the west. The continent includes Madagascar
Madagascar and various archipelagos
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Coordinates: 43°N 12°E / 43°N 12°E / 43; 12Italian Republic Repubblica Italiana (Italian)FlagEmblemAnthem: Il Canto degli Italiani (Italian) "The Song of the Italians"Location of Italy (dark green) – in Europe (light green & dark grey) – in the European Union (light green) – [Legend]Capital and largest city Rome 41°54′N 12°29′E / 41.900°N 12.483°E / 41.900; 12.483Official languages ItalianaNative languages see full listReligion83.3% Christians 12.4% irreligious 3.7% Muslims 0.2% Buddhists 0.1% Hindus 0.3% other religions[1]Demonym ItalianGovernment Unitary constitutional parliamentary republic• PresidentSergio Mattarella• Prime MinisterPaolo Gentiloni• President of the SenateElisabetta Casellati•&
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Electromagnetic interference (EMI), also called radio-frequency interference (RFI) when in the radio frequency spectrum, is a disturbance generated by an external source that affects an electrical circuit by electromagnetic induction, electrostatic coupling, or conduction.[1] The disturbance may degrade the performance of the circuit or even stop it from functioning. In the case of a data path, these effects can range from an increase in error rate to a total loss of the data.[2] Both man-made and natural sources generate changing electrical currents and voltages that can cause EMI: ignition systems, cellular network of mobile phones, lightning, solar flares, and auroras (Northern/Southern Lights)
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General Electric
General Electric (GE) is an American multinational conglomerate incorporated in New York[5] and headquartered in Boston, Massachusetts.[2] As of 2016, the company operates through the following segments: aviation, current, digital, energy connections, global research, healthcare, lighting, oil and gas, power, renewable energy, transportation, and capital which cater to the needs of financial services, medical devices, life sciences, pharmaceutical, automotive, software development and engineering industries.[6] In 2017, GE ranked among the Fortune 500
Fortune 500 as the thirteenth-largest firm in the U.S
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In electrodynamics, circular polarization of an electromagnetic wave is a polarization state in which, at each point, the electric field of the wave has a constant magnitude but its direction rotates with time at a steady rate in a plane perpendicular to the direction of the wave. In electrodynamics the strength and direction of an electric field is defined by its electric field vector. In the case of a circularly polarized wave, as seen in the accompanying animation, the tip of the electric field vector, at a given point in space, describes a circle as time progresses. At any instant of time, the electric field vector of the wave describes a helix along the direction of propagation
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Coordinates: 35°N 136°E / 35°N 136°E / 35; 136Japan 日本国 Nippon-koku or Nihon-kokuFlagImperial SealAnthem: "Kimigayo" 君が代"His Imperial Majesty's Reign"[2][3] Government
Government Seal of JapanGo-Shichi no Kiri (五七桐)Area controlled by Japan
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In telecommunication systems, Carrier frequency is a technical term used to indicate:Vaguely speaking, the center frequency or the frequency of a carrier wave The "nominal frequency" or the center frequency of an analog frequency modulation, phase modulation, or double-sideband suppressed-carrier transmission (DSB-SC) (AM-suppressed carrier), radio wave The frequency of the unmodulated electromagnetic wave at the output of a conventional amplitude-modulated (AM-unsupressed carrier), or frequency-modulated (FM), or phase-modulated (PM) radio transmitter The nominal frequency or center frequency of various kinds of radio signals with digital modulation -- provided that the message bit stream is a random uncorrelated sequence of equally probable ones and zeroes ("marks" and "spaces")This article related to radio is a stub. You can help by expanding it.v t eThis article related to telecommunications is a stub
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Bandwidth is the difference between the upper and lower frequencies in a continuous band of frequencies. It is typically measured in hertz, and depending on context, may specifically refer to passband bandwidth or baseband bandwidth. Passband
Passband bandwidth is the difference between the upper and lower cutoff frequencies of, for example, a band-pass filter, a communication channel, or a signal spectrum
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Television
Television (TV) is a telecommunication medium used for transmitting moving images in monochrome (black and white), or in colour, and in two or three dimensions and sound. The term can refer to a television set, a television program ("TV show"), or the medium of television transmission. Television
Television is a mass medium for advertising, entertainment and news. Television
Television became available in crude experimental forms in the late 1920s, but it would still be several years before the new technology would be marketed to consumers. After World War II, an improved form of black-and-white TV broadcasting became popular in the United States and Britain, and television sets became commonplace in homes, businesses, and institutions
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