Sound-ranging
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Sound-ranging
In land warfare, artillery sound ranging is a method of determining the coordinates of a hostile battery using data derived from the sound of its guns (or mortar or rockets) firing. The same methods can also be used to direct artillery fire at a position with known coordinates. It is an application of sound (or acoustic) location, which is location of the source of sounds that may originate in the air, on the ground or on or below the water's surface. Sound ranging was one of three methods of locating hostile artillery that rapidly developed in World War I. The others were aerial reconnaissance (visual and photographic) and flash spotting. A sound ranger used aural and stop-watch methods which first emerged before World War I. Stop-watch methods involved spotting a gun firing, measuring the bearing to it and the length of time it took the sound to arrive. Aural methods typically involved a person listening to a pair of microphones a few kilometres apart and measuring the ...
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William Sansome Tucker
Major (United Kingdom), Major William Sansome Tucker (1877 Kidderminster, Worcestershire - 1955 Guelph, Ontario, Canada) was an England, English pioneer in acoustical research and inventor of the acoustic mirror Early life Tucker was born in Kidderminster, the son of William Tucker, an artist painter, and his wife Anna. Tucker married in Chorlton-on-Medlock, Lancashire, in 1906. Career Tucker lectured on physics in London. Following the outbreak of World War I, Tucker joined the British Army as a private soldier. He was posted to the Experimental Sound Ranging Station at Kemmel Hill in Belgium which was under the command of Lawrence Bragg. As part of the London Electrical Engineers, Territorial Force, Tucker was granted a commission, being promoted from lance corporal to temporary second lieutenant, General List in April 1916. At Kemmel Hill, Tucker undertook research into 'sound ranging': the process of using microphones and mathematics to determine the position of enemy artill ...
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Artillery Sound Ranging Schematic - En
Artillery is a class of heavy military ranged weapons that launch munitions far beyond the range and power of infantry firearms. Early artillery development focused on the ability to breach defensive walls and fortifications during sieges, and led to heavy, fairly immobile siege engines. As technology improved, lighter, more mobile field artillery cannons developed for battlefield use. This development continues today; modern self-propelled artillery vehicles are highly mobile weapons of great versatility generally providing the largest share of an army's total firepower. Originally, the word "artillery" referred to any group of soldiers primarily armed with some form of manufactured weapon or armor. Since the introduction of gunpowder and cannon, "artillery" has largely meant cannons, and in contemporary usage, usually refers to shell-firing guns, howitzers, and mortars (collectively called ''barrel artillery'', ''cannon artillery'', ''gun artillery'', or - a lay ...
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Artillery
Artillery is a class of heavy military ranged weapons that launch munitions far beyond the range and power of infantry firearms. Early artillery development focused on the ability to breach defensive walls and fortifications during sieges, and led to heavy, fairly immobile siege engines. As technology improved, lighter, more mobile field artillery cannons developed for battlefield use. This development continues today; modern self-propelled artillery vehicles are highly mobile weapons of great versatility generally providing the largest share of an army's total firepower. Originally, the word "artillery" referred to any group of soldiers primarily armed with some form of manufactured weapon or armor. Since the introduction of gunpowder and cannon, "artillery" has largely meant cannons, and in contemporary usage, usually refers to shell-firing guns, howitzers, and mortars (collectively called ''barrel artillery'', ''cannon artillery'', ''gun artillery'', or - a layman t ...
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William Lawrence Bragg
Sir William Lawrence Bragg, (31 March 1890 – 1 July 1971) was an Australian-born British physicist and X-ray crystallographer, discoverer (1912) of Bragg's law of X-ray diffraction, which is basic for the determination of crystal structure. He was joint recipient (with his father, William Henry Bragg) of the Nobel Prize in Physics in 1915, "For their services in the analysis of crystal structure by means of X-rays"; an important step in the development of X-ray crystallography. Bragg was knighted in 1941. As of 2021, he is the youngest ever Nobel laureate in physics, having received the award at the age of 25 years. Bragg was the director of the Cavendish Laboratory, Cambridge, when the discovery of the structure of DNA was reported by James D. Watson and Francis Crick in February 1953. Biography Early years Bragg was born in Adelaide, South Australia to Sir William Henry Bragg (1862–1942), Elder Professor of Mathematics and Physics at the University of Adelaide, and ...
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French Sound Ranging Recorder
French (french: français(e), link=no) may refer to: * Something of, from, or related to France ** French language, which originated in France, and its various dialects and accents ** French people, a nation and ethnic group identified with France ** French cuisine, cooking traditions and practices Fortnite French places Arts and media * The French (band), a British rock band * "French" (episode), a live-action episode of ''The Super Mario Bros. Super Show!'' * ''Française'' (film), 2008 * French Stewart (born 1964), American actor Other uses * French (surname), a surname (including a list of people with the name) * French (tunic), a particular type of military jacket or tunic used in the Russian Empire and Soviet Union * French's, an American brand of mustard condiment * French catheter scale, a unit of measurement of diameter * French Defence, a chess opening * French kiss, a type of kiss involving the tongue See also * France (other) * Franch, a sur ...
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Mature Technology
A mature technology is a technology that has been in use for long enough that most of its initial faults and inherent problems have been removed or reduced by further development. In some contexts, it may also refer to technology that has not seen widespread use, but whose scientific background is well understood. Its performance characteristics are also expected to be well understood with well-established design specifications. One of the key indicators of a mature technology is the ease of use for both non-experts and professionals. Another indicator is a reduction in the rate of new breakthrough advances related to it—whereas inventions related to a (popular) immature technology are usually rapid and diverse, and may change the whole use paradigm—advances to a mature technology are usually incremental improvements only. Examples The QWERTY keyboard design is an example of mature technology because its performance characteristics such as typing speeds and error rates have ...
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Multiplexing
In telecommunications and computer networking, multiplexing (sometimes contracted to muxing) is a method by which multiple analog or digital signals are combined into one signal over a shared medium. The aim is to share a scarce resource - a physical transmission medium. For example, in telecommunications, several telephone calls may be carried using one wire. Multiplexing originated in telegraphy in the 1870s, and is now widely applied in communications. In telephony, George Owen Squier is credited with the development of telephone carrier multiplexing in 1910. The multiplexed signal is transmitted over a communication channel such as a cable. The multiplexing divides the capacity of the communication channel into several logical channels, one for each message signal or data stream to be transferred. A reverse process, known as demultiplexing, extracts the original channels on the receiver end. A device that performs the multiplexing is called a multiplexer (MUX), and a dev ...
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Okinawa Prefecture
is a prefecture of Japan. Okinawa Prefecture is the southernmost and westernmost prefecture of Japan, has a population of 1,457,162 (as of 2 February 2020) and a geographic area of 2,281 km2 (880 sq mi). Naha is the capital and largest city of Okinawa Prefecture, with other major cities including Okinawa, Uruma, and Urasoe. Okinawa Prefecture encompasses two thirds of the Ryukyu Islands, including the Okinawa, Daitō and Sakishima groups, extending southwest from the Satsunan Islands of Kagoshima Prefecture to Taiwan ( Hualien and Yilan Counties). Okinawa Prefecture's largest island, Okinawa Island, is the home to a majority of Okinawa's population. Okinawa Prefecture's indigenous ethnic group are the Ryukyuan people, who also live in the Amami Islands of Kagoshima Prefecture. Okinawa Prefecture was ruled by the Ryukyu Kingdom from 1429 and unofficially annexed by Japan after the Invasion of Ryukyu in 1609. Okinawa Prefecture was officially founded in 1879 by the Empire ...
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Land Warfare
Land warfare or ground warfare is the process of military operations eventuating in combat that takes place predominantly on the battlespace land surface of the planet. Land warfare is categorized by the use of large numbers of combat personnel employing a diverse set of combat skills, methods and a wide variety of weapon systems and equipment, conducted in diverse terrains and weather environments. Land warfare, by the virtue of being conducted in defence of urban and rural population areas, dominates the study of war, and is a focus for most national defence policy planning and financial considerations. Land warfare in history has undergone several distinct transitions in conduct from large concentration of largely untrained and irregularly armed populace used in frontal assaults to current employment of combined arms concepts with highly trained regular troops using a wide variety of organisational, weapon and information systems, and employing a variety of strategic, oper ...
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Shoot And Scoot
Shoot-and-scoot (alternatively, fire-and-displace or fire-and-move) is an artillery tactic of firing at a target and then immediately moving away from the location from where the shots were fired to avoid counter-battery fire (e.g. from enemy artillery). Caucasian war The first recorded use of this tactic came from the Caucasian war where the Chechen Naib Talhig of Shali became famous for his shoot and scoot tactics (referred to as Nomadic artillery by Russians) in the 1830-50s. He was according to the Russian historian and professor Nikolay Smirnov one of the first commanders that used this tactic. World War II The need for such tactics in World War II became obvious from the noticeable smoke signature produced by the use of anti-tank infantry weapons such as the German Panzerfaust anti-tank grenade launcher, the American M1 bazooka and its German Panzerschreck derivative anti-tank rocket launchers, and also by the various models of Nebelwerfer and Wurfrahmen 40 Ger ...
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Flash Spotting
Flash spotting''Artillery Survey in the First World War''. Field Survey Association, 1971, Sir Lawrence Bragg, Major General A. H. Dowson, Lt Colonel H. H. Hemmings was a military method of detecting the position of enemy guns at long range where the gun could not be observed directly, and was developed during World War I. The flashes could be observed at night as reflections from the sky. The purpose was then to call up friendly guns to destroy the enemy guns' position. Theoretically this could be achieved by several observers spotting the flash from a particular gun and then plotting the intersection of the bearings. This was extremely difficult with multiple guns firing since several observers could not be sure they were all looking at the same gun. The British solved this using a flashboard located at HQ fitted with a combination of buzzers and signal lights connected to the observers by telephone wires. Using this system, after a sequence of observations, all observers could ...
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Vietnam
Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making it the world's sixteenth-most populous country. Vietnam borders China to the north, and Laos and Cambodia to the west. It shares maritime borders with Thailand through the Gulf of Thailand, and the Philippines, Indonesia, and Malaysia through the South China Sea. Its capital is Hanoi and its largest city is Ho Chi Minh City (commonly known as Saigon). Vietnam was inhabited by the Paleolithic age, with states established in the first millennium BC on the Red River Delta in modern-day northern Vietnam. The Han dynasty annexed Northern and Central Vietnam under Chinese rule from 111 BC, until the first dynasty emerged in 939. Successive monarchical dynasties absorbed Chinese influences through Confucianism and Buddhism, and expanded ...
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