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  • 81 AIRE

    сокр. от American Institute of Radio Engineers

    The New English-Russian Dictionary of Radio-electronics > AIRE

  • 82 BIRE

    сокр. от British Institute of Radio Engineers

    The New English-Russian Dictionary of Radio-electronics > BIRE

  • 83 IRE

    сокр. от Institute of Radio Engineers
    Институт радиоинженеров, ИРИ

    The New English-Russian Dictionary of Radio-electronics > IRE

  • 84 Американский институт радиоинженеров

    Русско-английский словарь по радиоэлектронике > Американский институт радиоинженеров

  • 85 AIRE

    Американский институт радиоинженеров (American Institute of Radio Engineers)

    English-Russian dictionary of modern telecommunications > AIRE

  • 86 AIRE

    сокр. от American Institute of Radio Engineers

    English-Russian dictionary of telecommunications and their abbreviations > AIRE

  • 87 BIRE

    сокр. от British Institute of Radio Engineers

    English-Russian dictionary of telecommunications and their abbreviations > BIRE

  • 88 IRE

    сокр. от Institute of Radio Engineers
    институт радиоинженеров, ИРИ

    English-Russian dictionary of telecommunications and their abbreviations > IRE

  • 89 IRE

    1. регулирующие элементы [факторов контролирующих содержание] железа
    2. институт радиоинженеров
    3. индивидуальная оценка безопасности на АЭС

     

    индивидуальная оценка безопасности на АЭС
    —
    [А.С.Гольдберг. Англо-русский энергетический словарь. 2006 г.]

    Тематики

    EN

     

    институт радиоинженеров
    ИРИ
    Единица измерения, делящая область снизу от синхроимпульсов синхросигнала до пикового уровня белого на 140 равных частей. 140 IRE соответствует размаху полного видеосигнала 1 В. Диапазон активного видеосигнала составляет 100 IRE.
    [ http://www.vidimost.com/glossary.html]

    Тематики

    • телевидение, радиовещание, видео

    Синонимы

    EN

     

    регулирующие элементы [факторов контролирующих содержание] железа
    Семейство консервативных 28-нуклеотидных элементов, обнаруживаемых в некодирующей части мРНК ферритина (участвует в запасании железа), δ-аминолевулинатсинтазы (δ-aminolevulinate synthase) (участвует в синтезе гема) и рецептора трансферрина; Р.э.ж. осуществляют специфическую регуляцию стабильности или деградации, а также трансляции своих мРНК, располагаясь, соответственно, на их 3'- и 5'-концах.
    [Арефьев В.А., Лисовенко Л.А. Англо-русский толковый словарь генетических терминов 1995 407с.]

    Тематики

    EN

    Англо-русский словарь нормативно-технической терминологии > IRE

  • 90 De Forest, Lee

    [br]
    b. 26 August 1873 Council Bluffs, Iowa, USA
    d. 30 June 1961 Hollywood, California, USA
    [br]
    American electrical engineer and inventor principally known for his invention of the Audion, or triode, vacuum tube; also a pioneer of sound in the cinema.
    [br]
    De Forest was born into the family of a Congregational minister that moved to Alabama in 1879 when the father became President of a college for African-Americans; this was a position that led to the family's social ostracism by the white community. By the time he was 13 years old, De Forest was already a keen mechanical inventor, and in 1893, rejecting his father's plan for him to become a clergyman, he entered the Sheffield Scientific School of Yale University. Following his first degree, he went on to study the propagation of electromagnetic waves, gaining a PhD in physics in 1899 for his thesis on the "Reflection of Hertzian Waves from the Ends of Parallel Wires", probably the first US thesis in the field of radio.
    He then joined the Western Electric Company in Chicago where he helped develop the infant technology of wireless, working his way up from a modest post in the production area to a position in the experimental laboratory. There, working alone after normal working hours, he developed a detector of electromagnetic waves based on an electrolytic device similar to that already invented by Fleming in England. Recognizing his talents, a number of financial backers enabled him to set up his own business in 1902 under the name of De Forest Wireless Telegraphy Company; he was soon demonstrating wireless telegraphy to interested parties and entering into competition with the American Marconi Company.
    Despite the failure of this company because of fraud by his partners, he continued his experiments; in 1907, by adding a third electrode, a wire mesh, between the anode and cathode of the thermionic diode invented by Fleming in 1904, he was able to produce the amplifying device now known as the triode valve and achieve a sensitivity of radio-signal reception much greater than possible with the passive carborundum and electrolytic detectors hitherto available. Patented under the name Audion, this new vacuum device was soon successfully used for experimental broadcasts of music and speech in New York and Paris. The invention of the Audion has been described as the beginning of the electronic era. Although much development work was required before its full potential was realized, the Audion opened the way to progress in all areas of sound transmission, recording and reproduction. The patent was challenged by Fleming and it was not until 1943 that De Forest's claim was finally recognized.
    Overcoming the near failure of his new company, the De Forest Radio Telephone Company, as well as unsuccessful charges of fraudulent promotion of the Audion, he continued to exploit the potential of his invention. By 1912 he had used transformer-coupling of several Audion stages to achieve high gain at radio frequencies, making long-distance communication a practical proposition, and had applied positive feedback from the Audion output anode to its input grid to realize a stable transmitter oscillator and modulator. These successes led to prolonged patent litigation with Edwin Armstrong and others, and he eventually sold the manufacturing rights, in retrospect often for a pittance.
    During the early 1920s De Forest began a fruitful association with T.W.Case, who for around ten years had been working to perfect a moving-picture sound system. De Forest claimed to have had an interest in sound films as early as 1900, and Case now began to supply him with photoelectric cells and primitive sound cameras. He eventually devised a variable-density sound-on-film system utilizing a glow-discharge modulator, the Photion. By 1926 De Forest's Phonofilm had been successfully demonstrated in over fifty theatres and this system became the basis of Movietone. Though his ideas were on the right lines, the technology was insufficiently developed and it was left to others to produce a system acceptable to the film industry. However, De Forest had played a key role in transforming the nature of the film industry; within a space of five years the production of silent films had all but ceased.
    In the following decade De Forest applied the Audion to the development of medical diathermy. Finally, after spending most of his working life as an independent inventor and entrepreneur, he worked for a time during the Second World War at the Bell Telephone Laboratories on military applications of electronics.
    [br]
    Principal Honours and Distinctions
    Institute of Electronic and Radio Engineers Medal of Honour 1922. President, Institute of Electronic and Radio Engineers 1930. Institute of Electrical and Electronics Engineers Edison Medal 1946.
    Bibliography
    1904, "Electrolytic detectors", Electrician 54:94 (describes the electrolytic detector). 1907, US patent no. 841,387 (the Audion).
    1950, Father of Radio, Chicago: WIlcox \& Follett (autobiography).
    De Forest gave his own account of the development of his sound-on-film system in a series of articles: 1923. "The Phonofilm", Transactions of the Society of Motion Picture Engineers 16 (May): 61–75; 1924. "Phonofilm progress", Transactions of the Society of Motion Picture Engineers 20:17–19; 1927, "Recent developments in the Phonofilm", Transactions of the Society of Motion Picture Engineers 27:64–76; 1941, "Pioneering in talking pictures", Journal of the Society of Motion Picture Engineers 36 (January): 41–9.
    Further Reading
    G.Carneal, 1930, A Conqueror of Space (biography).
    I.Levine, 1964, Electronics Pioneer, Lee De Forest (biography).
    E.I.Sponable, 1947, "Historical development of sound films", Journal of the Society of Motion Picture Engineers 48 (April): 275–303 (an authoritative account of De Forest's sound-film work, by Case's assistant).
    W.R.McLaurin, 1949, Invention and Innovation in the Radio Industry.
    C.F.Booth, 1955, "Fleming and De Forest. An appreciation", in Thermionic Valves 1904– 1954, IEE.
    V.J.Phillips, 1980, Early Radio Detectors, London: Peter Peregrinus.
    KF / JW

    Biographical history of technology > De Forest, Lee

  • 91 Appleton, Sir Edward Victor

    [br]
    b. 6 September 1892 Bradford, England
    d. 21 April 1965 Edinburgh, Scotland
    [br]
    English physicist awarded the Nobel Prize for Physics for his discovery of the ionospheric layer, named after him, which is an efficient reflector of short radio waves, thereby making possible long-distance radio communication.
    [br]
    After early ambitions to become a professional cricketer, Appleton went to St John's College, Cambridge, where he studied under J.J.Thompson and Ernest Rutherford. His academic career interrupted by the First World War, he served as a captain in the Royal Engineers, carrying out investigations into the propagation and fading of radio signals. After the war he joined the Cavendish Laboratory, Cambridge, as a demonstrator in 1920, and in 1924 he moved to King's College, London, as Wheatstone Professor of Physics.
    In the following decade he contributed to developments in valve oscillators (in particular, the "squegging" oscillator, which formed the basis of the first hard-valve time-base) and gained international recognition for research into electromagnetic-wave propagation. His most important contribution was to confirm the existence of a conducting ionospheric layer in the upper atmosphere capable of reflecting radio waves, which had been predicted almost simultaneously by Heaviside and Kennelly in 1902. This he did by persuading the BBC in 1924 to vary the frequency of their Bournemouth transmitter, and he then measured the signal received at Cambridge. By comparing the direct and reflected rays and the daily variation he was able to deduce that the Kennelly- Heaviside (the so-called E-layer) was at a height of about 60 miles (97 km) above the earth and that there was a further layer (the Appleton or F-layer) at about 150 miles (240 km), the latter being an efficient reflector of the shorter radio waves that penetrated the lower layers. During the period 1927–32 and aided by Hartree, he established a magneto-ionic theory to explain the existence of the ionosphere. He was instrumental in obtaining agreement for international co-operation for ionospheric and other measurements in the form of the Second Polar Year (1932–3) and, much later, the International Geophysical Year (1957–8). For all this work, which made it possible to forecast the optimum frequencies for long-distance short-wave communication as a function of the location of transmitter and receiver and of the time of day and year, in 1947 he was awarded the Nobel Prize for Physics.
    He returned to Cambridge as Jacksonian Professor of Natural Philosophy in 1939, and with M.F. Barnett he investigated the possible use of radio waves for radio-location of aircraft. In 1939 he became Secretary of the Government Department of Scientific and Industrial Research, a post he held for ten years. During the Second World War he contributed to the development of both radar and the atomic bomb, and subsequently served on government committees concerned with the use of atomic energy (which led to the establishment of Harwell) and with scientific staff.
    [br]
    Principal Honours and Distinctions
    Knighted (KCB 1941, GBE 1946). Nobel Prize for Physics 1947. FRS 1927. Vice- President, American Institute of Electrical Engineers 1932. Royal Society Hughes Medal 1933. Institute of Electrical Engineers Faraday Medal 1946. Vice-Chancellor, Edinburgh University 1947. Institution of Civil Engineers Ewing Medal 1949. Royal Medallist 1950. Institute of Electrical and Electronics Engineers Medal of Honour 1962. President, British Association 1953. President, Radio Industry Council 1955–7. Légion d'honneur. LLD University of St Andrews 1947.
    Bibliography
    1925, joint paper with Barnett, Nature 115:333 (reports Appleton's studies of the ionosphere).
    1928, "Some notes of wireless methods of investigating the electrical structure of the upper atmosphere", Proceedings of the Physical Society 41(Part III):43. 1932, Thermionic Vacuum Tubes and Their Applications (his work on valves).
    1947, "The investigation and forecasting of ionospheric conditions", Journal of the
    Institution of Electrical Engineers 94, Part IIIA: 186 (a review of British work on the exploration of the ionosphere).
    with J.F.Herd \& R.A.Watson-Watt, British patent no. 235,254 (squegging oscillator).
    Further Reading
    Who Was Who, 1961–70 1972, VI, London: A. \& C.Black (for fuller details of honours). R.Clark, 1971, Sir Edward Appleton, Pergamon (biography).
    J.Jewkes, D.Sawers \& R.Stillerman, 1958, The Sources of Invention.
    KF

    Biographical history of technology > Appleton, Sir Edward Victor

  • 92 Alexanderson, Ernst Frederik Werner

    [br]
    b. 25 January 1878 Uppsala, Sweden
    d. ? May 1975 Schenectady, New York, USA
    [br]
    Swedish-American electrical engineer and prolific radio and television inventor responsible for developing a high-frequency alternator for generating radio waves.
    [br]
    After education in Sweden at the High School and University of Lund and the Royal Institution of Technology in Stockholm, Alexanderson took a postgraduate course at the Berlin-Charlottenburg Engineering College. In 1901 he began work for the Swedish C \& C Electric Company, joining the General Electric Company, Schenectady, New York, the following year. There, in 1906, together with Fessenden, he developed a series of high-power, high-frequency alternators, which had a dramatic effect on radio communications and resulted in the first real radio broadcast. His early interest in television led to working demonstrations in his own home in 1925 and at the General Electric laboratories in 1927, and to the first public demonstration of large-screen (7 ft (2.13 m) diagonal) projection TV in 1930. Another invention of significance was the "amplidyne", a sensitive manufacturing-control system subsequently used during the Second World War for controlling anti-aircraft guns. He also contributed to developments in electric propulsion and radio aerials.
    He retired from General Electric in 1948, but continued television research as a consultant for the Radio Corporation of America (RCA), filing his 321st patent in 1955.
    [br]
    Principal Honours and Distinctions
    Institution of Radio Engineers Medal of Honour 1919. President, IERE 1921. Edison Medal 1944.
    Bibliography
    Publications relating to his work in the early days of radio include: "Magnetic properties of iron at frequencies up to 200,000 cycles", Transactions of the American Institute of Electrical Engineers (1911) 30: 2,443.
    "Transatlantic radio communication", Transactions of the American Institute of Electrical
    Engineers (1919) 38:1,269.
    The amplidyne is described in E.Alexanderson, M.Edwards and K.Boura, 1940, "Dynamo-electric amplifier for power control", Transactions of the American
    Institution of Electrical Engineers 59:937.
    Further Reading
    E.Hawkes, 1927, Pioneers of Wireless, Methuen (provides an account of Alexanderson's work on radio).
    J.H.Udelson, 1982, The Great Television Race: A History of the American Television Industry 1925–1941, University of Alabama Press (provides further details of his contribution to the development of television).
    KF

    Biographical history of technology > Alexanderson, Ernst Frederik Werner

  • 93 Black, Harold Stephen

    [br]
    b. 14 April 1898 Leominster, Massachusetts, USA
    d. 11 December 1983 Summitt, New Jersey, USA
    [br]
    American electrical engineer who discovered that the application of negative feedback to amplifiers improved their stability and reduced distortion.
    [br]
    Black graduated from Worcester Polytechnic Institute, Massachusetts, in 1921 and joined the Western Electric Company laboratories (later the Bell Telephone Laboratories) in New York City. There he worked on a variety of electronic-communication problems. His major contribution was the discovery in 1927 that the application of negative feedback to an amplifier, whereby a fraction of the output signal is fed back to the input in the opposite phase, not only increases the stability of the amplifier but also has the effect of reducing the magnitude of any distortion introduced by it. This discovery has found wide application in the design of audio hi-fi amplifiers and various control systems, and has also given valuable insight into the way in which many animal control functions operate.
    During the Second World War he developed a form of pulse code modulation (PCM) to provide a practicable, secure telephony system for the US Army Signal Corps. From 1963–6, after his retirement from the Bell Labs, he was Principal Research Scientist with General Precision Inc., Little Falls, New Jersey, following which he became an independent consultant in communications. At the time of his death he held over 300 patents.
    [br]
    Principal Honours and Distinctions
    Institute of Electronic and Radio Engineers Lamme Medal 1957.
    Bibliography
    1934, "Stabilised feedback amplifiers", Electrical Engineering 53:114 (describes the principles of negative feedback).
    21 December 1937, US patent no. 2,106,671 (for his negative feedback discovery.
    1947, with J.O.Edson, "Pulse code modulation", Transactions of the American Institute of Electrical Engineers 66:895.
    1946, "A multichannel microwave radio relay system", Transactions of the American Institute of Electrical Engineers 65:798.
    1953, Modulation Theory, New York: D.van Nostrand.
    1988, Laboratory Management: Principles \& Practice, New York: Van Nostrand Rheinhold.
    Further Reading
    For early biographical details see "Harold S. Black, 1957 Lamme Medalist", Electrical Engineering (1958) 77:720; "H.S.Black", Institute of Electrical and Electronics Engineers Spectrum (1977) 54.
    KF

    Biographical history of technology > Black, Harold Stephen

  • 94 Kennelly, Arthur Edwin

    [br]
    b. 17 December 1871 Colaba, Bombay, India
    d. 18 June 1939 Boston, Massachusetts, USA
    [br]
    Anglo-American electrical engineer who predicted the ionosphere and developed mathematical analysis for electronic circuits.
    [br]
    As a young man, Kennelly worked as office boy for a London engineering society, as an electrician and on a cable-laying ship. In 1887 he went to work for Thomas Edison at West Orange, New Jersey, USA, becoming his chief assistant. In 1894, with Edwin J.Houston, he formed the Philadelphia company of Houston and Kennelly, but eight years later he took up the Chair of Electrical Engineering at Harvard, a post he held until his retirement in 1930. In 1902 he noticed that the radio signals received by Marconi in Nova Scotia from the transmitter in England were stronger than predicted and postulated a reflecting ionized layer in the upper atmosphere. Almost simultaneously the same prediction was made in England by Heaviside, so the layer became known as the Kennelly-Heaviside layer. Throughout most of his working life Kennelly was concerned with the application of mathematical techniques, particularly the use of complex theory, to the analysis of electrical circuits. With others he also contributed to an understanding of the high-frequency skin-effect in conductors.
    [br]
    Principal Honours and Distinctions
    President, American Institute of Electrical Engineers 1898–1900. President, Institution of Electrical Engineers 1916. Institute of Electrical and Electronics Engineers Medal of Honour 1932; Edison Medal 1933.
    Bibliography
    1915, with F.A.Laws \& P.H.Pierce "Experimental research on the skin effect in conductors", Transactions of the American Institute of Electrical Engineers 34:1,953.
    1924, Hyperbolic Functions as Applied to Electrical Engineering.
    1924, Check Atlas of Complex Hyperbolic \& Circular Functions (both on mathematics for circuit analysis).
    Further Reading
    K.Davies, 1990, Ionospheric Radio, London: Peter Peregrinus. See also Appleton, Sir Edward Victor.
    KF

    Biographical history of technology > Kennelly, Arthur Edwin

  • 95 Colpitts, Edwin Henry

    [br]
    b. 9 January 1872 Pointe de Bute, Canada
    d. 6 March 1949 Orange, New Jersey, USA
    [br]
    Canadian physicist and electrical engineer responsible for important developments in electronic-circuit technology.
    [br]
    Colpitts obtained Bachelor's degrees at Mount Allison University, Sackville, New Brunswick, and Harvard in 1894 and 1896, respectively, followed by a Master's degree at Harvard in 1897. After two years as assistant to the professor of physics there, he joined the American Bell Telephone Company. When the Bell Company was reorganized in 1907, he moved to the Western Electric branch of the company in New York as Head of the Physical Laboratories. In 1911 he became a director of the Research Laboratories, and in 1917 he became Assistant Chief Engineer of the company. During this time he invented both the push-pull amplifier and the Colpitts oscillator, both major developments in communications. In 1917, during the First World War, he spent some time in France helping to set up the US Signal Corps Research Laboratories. Afterwards he continued to do much, both technically and as a manager, to place telephone communications on a firm scientific basis, retiring as Vice-President of the Bell Telephone Laboratories in 1937. With the outbreak of the Second World War in 1941 he was recalled from retirement and appointed Director of the Engineering Foundation to work on submarine warfare techniques, particularly echo-ranging.
    [br]
    Principal Honours and Distinctions
    Order of the Rising Sun, Japan, 1938. US Medal of Merit 1948.
    Bibliography
    1919, with E.B.Craft, "Radio telephony", Proceedings of the American Institution of Electrical Engineers 38:337.
    1921, with O.B.Blackwell, "Carrier current telephony and telegraphy", American Institute of Electrical Engineers Transactions 40:205.
    11 September 1915, US reissue patent no. 15,538 (control device for radio signalling).
    28 August 1922, US patent no. 1,479,638 (multiple signal reception).
    Further Reading
    M.D.Fagen, 1975, A History of Engineering \& Science in the Bell System, Vol. 1, Bell Laboratories.
    KF

    Biographical history of technology > Colpitts, Edwin Henry

  • 96 Институт инженеров по электронике и радиотехнике

    2) Programming: Institute of Electrical and Electronics Engineers (такой перевод в 2-х словарях PROMT Professional 9.0 (Информатика, ИТ-базовый))

    Универсальный русско-английский словарь > Институт инженеров по электронике и радиотехнике

  • 97 FIERE

    Универсальный англо-русский словарь > FIERE

  • 98 член Института электронных и радиоинженеров

    Универсальный русско-английский словарь > член Института электронных и радиоинженеров

  • 99 IEEE

       L’IEEE (Institute of Electrical and Electronics Engineers) est un organisme international de normalisation rassemblant 365.000 membres individuels dans 150 pays. L’IEEE a pour but de produire des standards dans les domaines suivants: électricité, électronique, ingénierie informatique, technologie biomédicale, télécommunications, etc. Par exemple, l’IEEE institue en 2000 le standard 802.11, un standard de transmission radio régissant la WiFi (wireless fidelity). Ce standard est complété en 2001 par un deuxième standard, le standard 802.16, qui régit la WiMAX (worldwide interoperability for microwave access). L’IEEE est l’auteur de 900 standards en vigueur, et 400 autres en cours de développement. L’IEEE organise aussi 300 conférences de renom et publie le tiers de la documentation technique mondiale pour l’ingénierie électrique et l’informatique.
       Voir aussi: 802.11, 802.16, radio, WiFi, WiMAX.

    Le Dictionnaire du NEF > IEEE

  • 100 Fessenden, Reginald Aubrey

    [br]
    b. 6 October 1866 East Bolton, Quebec, Canada
    d. 22 July 1932 Bermuda
    [br]
    Canadian radio pioneer who made the first known broadcast of speech and music.
    [br]
    After initial education at Trinity College School, Port Hope, Ontario, Fessenden studied at Bishops University, Lennoxville, Quebec. When he graduated in 1885, he became Principal of the Whitney Institute in Bermuda, but he left the following year to go to New York in pursuit of his scientific interests. There he met Edison and eventually became Chief Chemist at the latter's Laboratory in Orange, New Jersey. In 1890 he moved to the Westinghouse Electric and Manufacturing Company, and two years later he returned to an academic career as Professor of Electrical Engineering, initially at Purdue University, Lafayette, Indiana, and then at the Western University of Pennsylvania, where he worked on wireless communication. From 1900 to 1902 he carried out experiments in wireless telegraphy at the US Weather Bureau, filing several patents relating to wire and liquid thermal detectors, or barretters. Following this he set up the National Electric Signalling Company; under his direction, Alexanderson and other engineers at the General Electric Company developed a high-frequency alternator that enabled him to build the first radiotelephony transmitter at Brant Rock, Massachusetts. This made its initial broadcast of speech and music on 24 December 1906, received by ship's wireless operators several hundred miles away. Soon after this the transmitter was successfully used for two-way wireless telegraphy communication with Scotland. Following this landmark event, Fessenden produced numerous inventions, including a radio compass, an acoustic depth-finder and several submarine signalling devices, a turboelectric drive for battleships and, notably, in 1912 the heterodyne principle used in radio receivers to convert signals to a lower (intermediate) frequency.
    [br]
    Principal Honours and Distinctions
    Institute of Electrical and Electronics Engineers Medal of Honour 1921.
    Bibliography
    US patents relating to barretters include nos. 706,740, 706,742 and 706,744 (wire, 1902) and 731,029 (liquid, 1903). His invention of the heterodyne was filed as US patent no. 1,050,441 (1913).
    Further Reading
    Helen M.Fessenden, 1940, Fessenden. Builder of Tomorrow. E.Hawkes, 1927, Pioneers of Wireless, London: Methuen. O.E.Dunlop, 1944, Radio's 100 Men of Science.
    KF

    Biographical history of technology > Fessenden, Reginald Aubrey

Страницы

См. также в других словарях:

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