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Edwin Armstrong
Edwin Howard Armstrong (December 18, 1890 – January 31, 1954) was an American electrical engineer and inventor, best known for developing FM (frequency modulation) radio and the superheterodyne receiver system. He held 42 patents and received numerous awards, including the first Medal of Honor awarded by the Institute of Radio Engineers (now IEEE), the French Legion of Honor, the 1941 Franklin Medal and the 1942 Edison Medal
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Chelsea, Manhattan
Chelsea is a neighborhood on the West Side of the borough of Manhattan in New York City
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Lucien Lévy
Lucien Lévy (11 March 1892 – 24 May 1965) was a French radio engineer and radio receiver manufacturer. He invented the superheterodyne method of amplifying radio signals, used in almost all AM radio receivers
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New York (state)
New York is a state located in the Northeastern United States. New York was one of the original thirteen colonies that formed the United States. With an estimated 19.45 million residents in 2019, it is the fourth most populous state. In order to distinguish the state from its city with the same name, it is sometimes referred to as New York State (NYS). The state's most populous city, New York City, makes up over 40% of the state's population. Two-thirds of the state's population lives in the New York metropolitan area, and nearly 40% lives on Long Island. The state and city were both named for the 17th-century Duke of York, the future King James II of England
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Mathematical Physics
Mathematical physics refers to the development of mathematical methods for application to problems in physics
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World War I
and others ...

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Signal Corps (United States Army)
The United States Army Signal Corps (USASC) develops, tests, provides, and manages communications and information systems support for the command and control of combined arms forces. It was established in 1860, the brainchild of United States Army Major Albert J. Myer, and has had an important role from the American Civil War. Over its history, it had the initial responsibility for a number of functions and new technologies that are currently managed by other organizations, including military intelligence, weather forecasting, and
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Audion
The Audion was an electronic detecting or amplifying vacuum tube invented by American electrical engineer Lee de Forest in 1906. It was the first triode,

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Oscillograph
An oscilloscope, previously called an oscillograph, and informally known as a scope or o-scope, CRO (for cathode-ray oscilloscope), or DSO (for the more modern digital storage oscilloscope), is a type of electronic test instrument that allows observation of varying signal voltages, usually as a two-dimensional plot of one or more signals as a function of time. Other signals (such as sound or vibration) can be converted to voltages and displayed. Oscilloscopes are used to observe the change of an electrical signal over time, such that voltage and time describe a shape which is continuously graphed against a calibrated scale. The observed waveform can be analyzed for such properties as amplitude, frequency, rise time, time interval, distortion and others. Modern digital instruments may calculate and display these properties directly
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Westinghouse Electric & Manufacturing Company
The Westinghouse Electric Corporation was an American manufacturing company. It was founded on January 8, 1886, as Westinghouse Electric Company and later renamed Westinghouse Electric Corporation by its founder George Westinghouse (1846–1914). George Westinghouse had previously founded the Westinghouse Air Brake Company
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Ernst Alexanderson
Ernst Frederick Werner Alexanderson (January 25, 1878 – May 14, 1975) was a Swedish-American electrical engineer, who was a pioneer in radio and television development. He invented the Alexanderson alternator, an early radio transmitter used between 1906 and the 1930s for longwave long distance radio transmission. Alexanderson also created the amplidyne, a direct current amplifier used during the Second World War for controlling anti-aircraft guns
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Bell Laboratories
Nokia Bell Labs (formerly named AT&T Bell Laboratories, Bell Telephone Laboratories and Bell Labs) is an American research and scientific development company, owned by Finnish company Nokia. Its headquarters are located in Murray Hill, New Jersey, in addition to other laboratories around the rest of the United States and in other countries. The historic laboratory originated in the late 19th century as the Volta Laboratory and Bureau created by Alexander Graham Bell
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Single-sideband Modulation
In radio communications, single-sideband modulation (SSB) or single-sideband suppressed-carrier modulation (SSB-SC) is a type of modulation, used to transmit information, such as an audio signal, by radio waves. A refinement of amplitude modulation, it uses transmitter power and bandwidth more efficiently. Amplitude modulation produces an output signal that has twice the bandwidth of the original baseband signal
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Proceedings Of The IRE
The Proceedings of the IEEE is a monthly peer-reviewed scientific journal published by the Institute of Electrical and Electronics Engineers (IEEE). The journal focuses on electrical engineering and computer science
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