Louis Winslow Austin (October 30, 1867 – June 27, 1932) was an American physicist known for his research on long-range radio transmissions. Austin was born in Orwell, Vermont, and educated at Middlebury College (class of 1889) and the University of Strasbourg (then in Germany), from which he received a Ph.D. in 1893. From 1893-1901, he taught physics as an instructor and assistant professor at the University of Wisconsin–Madison, then returned to Germany for two years at the Physikalisch-Technische Reichsanstalt in Berlin where he performed research on hot gases.

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  • Louis Winslow Austin (30 octobre 1867 - 27 juin 1932) était un physicien américain connu pour ses recherches sur les transmissions radios à longue portée. Austin est né à Orwell, dans le Vermont et étudia au Middlebury College (promotion 1889) puis à l'Université de Strasbourg ainsi qu'en Allemagne, où il obtint son doctorat en 1893. Dans les années 1893 à 1901, il enseigna la physique à l'Université du Wisconsin-Madison, puis retourna deux ans au Physikalisch-Technische Reichsanstalt à Berlin où il réalisa des recherches sur les gaz chauds. En 1904, il rejoint le National Bureau of Standards pour étudier la propagation des ondes radio. Il dirigea le Naval Radio Telegraphic Laboratory (qui deviendra plus tard le Naval Research Laboratory), créé par l'United States Navy, de 1908 à 1923 puis pris la tête du Laboratoire de Physique des Ondes Radios en 1923 jusqu'à sa mort. Ses recherches se sont focalisées sur la propagation des ondes radios et le bruit associé, en particulier l'influence de la température, de l'humidité, du champ magnétique et de l'éclairement sur les transmissions longue-distance. Sous sa direction, l'US Navy conduit des mesures de transmissions sans fils longues distances entre l'USS Birmingham et l'USS Salem. Ces mesures permirent à Austin et à son collaborateur, Louis Cohen, de développer la formule empirique dite formule de Austin-Cohen qui sert à prédire la force d'un signal sur de longues distances. Austin rejoignit l'Institut des Ingénieurs Radio-électroniciens (maintenant IEEE) en 1913. Il devint le troisième président de l'institut en 1914 et reçu l'IEEE Medal of Honor en 1927 « pour son travail de pionner dans la mesure quantitative et les corrélations entre les facteurs agissant sur la transmission des ondes radios. » Il représenta les États-Unis à de nombreuses conférences internationales sur les ondes radios. Il mourut en 1932 à Washington, D.C.. (fr)
  • Dal 1908 tenne un laboratorio radiotecnico all'United States Naval Research Laboratory per poi passare al National Institute of Standars and Technology nel 1923. Fu uno dei pionieri della radiotelegrafia e a lui si deve l'ideazione di un gran numero di apparecchi radiotelegrafici. (it)
  • Louis Winslow Austin (30 de outubro de 1867 — 27 de junho de 1932) foi um físico estadunidense. Conhecido por pesquisas em transmissão de rádio a longas distâncias. (pt)
  • Louis Winslow Austin (October 30, 1867 – June 27, 1932) was an American physicist known for his research on long-range radio transmissions. Austin was born in Orwell, Vermont, and educated at Middlebury College (class of 1889) and the University of Strasbourg (then in Germany), from which he received a Ph.D. in 1893. From 1893-1901, he taught physics as an instructor and assistant professor at the University of Wisconsin–Madison, then returned to Germany for two years at the Physikalisch-Technische Reichsanstalt in Berlin where he performed research on hot gases. In 1904 Austin joined the National Bureau of Standards to study radio propagation. After the United States Navy established its Naval Radio Telegraphic Laboratory (later the Naval Research Laboratory) within the bureau, Austin served as its director from 1908–1923, and from 1923-1932 as chief of the Radio Physics Laboratory. Austin's research focused on radio propagation and static, and more specifically the influence of temperature, humidity, magnetic storms, and sunspots on long-range radio transmissions. Under his direction, the Navy conducted long-distance wireless measurements in 1909 and 1910 between the USS Birmingham and USS Salem, as they steamed to Liberia and back, and Fessenden's station at Brant Rock, Massachusetts. Austin measured received impulses from the ships on the 3,750 and 1,000 meter wavelengths to determine the relationships between radio frequency, distance, and received signal strength. These measurements led Austin and collaborator Dr. Louis Cohen to develop the empirical Austin-Cohen formula for predicting radio signal strength at long distances. Austin joined the Institute for Radio Engineers (now IEEE) in 1913, in 1914 served as its third president, and in 1927 received its Medal of Honor "for his pioneer work in the quantitative measurement and correlation of factors involved in radio wave transmission." He also served as a U.S. representative at numerous international radio conferences. Austin died on June 27, 1932, in Washington, D.C. (en)
  • Луис Уинслоу Остин (30 октября 1867, Оруэл — 27 июня 1932, Вашингтон) — физик, один из первых исследователей распространения радиоволн на большие расстояния. Эмпирическая формула определения мощности радиосигнала, распространяющегося на большие расстояния, называется формулой Остина. Третий президент института радиоинженеров (IRE), который в 1963 году был объединен с Американским институтом инженеров-электриков (объединенная организация получила название — Институт инженеров электротехники и электроники). Награждён Медалью почёта IEEE (1927). (ru)
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  • 1867-10-30 (xsd:date)
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  • 1932-06-27 (xsd:date)
  • 1932-6-27
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  • Louis Winslow Austin circa 1918
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  • American physicist (en)
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  • Dal 1908 tenne un laboratorio radiotecnico all'United States Naval Research Laboratory per poi passare al National Institute of Standars and Technology nel 1923. Fu uno dei pionieri della radiotelegrafia e a lui si deve l'ideazione di un gran numero di apparecchi radiotelegrafici. (it)
  • Louis Winslow Austin (30 de outubro de 1867 — 27 de junho de 1932) foi um físico estadunidense. Conhecido por pesquisas em transmissão de rádio a longas distâncias. (pt)
  • Луис Уинслоу Остин (30 октября 1867, Оруэл — 27 июня 1932, Вашингтон) — физик, один из первых исследователей распространения радиоволн на большие расстояния. Эмпирическая формула определения мощности радиосигнала, распространяющегося на большие расстояния, называется формулой Остина. Третий президент института радиоинженеров (IRE), который в 1963 году был объединен с Американским институтом инженеров-электриков (объединенная организация получила название — Институт инженеров электротехники и электроники). Награждён Медалью почёта IEEE (1927). (ru)
  • Louis Winslow Austin (October 30, 1867 – June 27, 1932) was an American physicist known for his research on long-range radio transmissions. Austin was born in Orwell, Vermont, and educated at Middlebury College (class of 1889) and the University of Strasbourg (then in Germany), from which he received a Ph.D. in 1893. From 1893-1901, he taught physics as an instructor and assistant professor at the University of Wisconsin–Madison, then returned to Germany for two years at the Physikalisch-Technische Reichsanstalt in Berlin where he performed research on hot gases. (en)
  • Louis Winslow Austin (30 octobre 1867 - 27 juin 1932) était un physicien américain connu pour ses recherches sur les transmissions radios à longue portée. Austin est né à Orwell, dans le Vermont et étudia au Middlebury College (promotion 1889) puis à l'Université de Strasbourg ainsi qu'en Allemagne, où il obtint son doctorat en 1893. Dans les années 1893 à 1901, il enseigna la physique à l'Université du Wisconsin-Madison, puis retourna deux ans au Physikalisch-Technische Reichsanstalt à Berlin où il réalisa des recherches sur les gaz chauds. Il mourut en 1932 à Washington, D.C.. (fr)
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  • Louis Winslow Austin (fr)
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  • Остин, Луис (ru)
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