SFG (A)
SFG may refer to: Military *Special Forces Group (Belgium) *Special Forces Group (Japan) * Special Forces (United States Army)#Special Forces groups Science and Technology *Sum-frequency generation in optical physics *Signal-flow graph *Superior frontal gyrus, in the human brain *Systemic functional grammar Other *San Francisco Giants, a Major League Baseball team *L'Espérance Airport, IATA airport code *Scouting for Girls, English pop rock band *"Super Freaky Girl "Super Freaky Girl" is a song by rapper Nicki Minaj from her fifth studio album, ''Pink Friday 2'' (2023). It was released on August 12, 2022, through Republic Records as the lead single from the album. It is an upbeat, raunchy song that sample ...

Special Forces Group (Belgium)
The Special Forces Group is a special forces unit in the Belgian Land Component and part of the Special Operations Regiment (Belgium), Special Operations Regiment. Members of the Special Forces Group are selected from all the components of the Belgian Armed Forces. Candidates must have at least three years' experience in the military to join the Special Forces Group. History In January 1942 the first Belgian parachutists were trained at RAF Ringway, Manchester, England. The same year, the Belgian Independent Parachute Company was established and commanded by Captain E. Blondeel. Later, the unit was incorporated into the Special Air Service Brigade and became the 5th Special Air Service (known as the Belgian SAS squadron). The SAS squadron was active during World War II until enemy activities were discontinued. They performed several operations using the parachute regiment and armoured jeeps. Thereafter, the unit also took part in counter intelligence operations. On 21 Sept ...
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Special Forces Group (Japan)
The is the Japan Ground Self-Defense Force's special forces unit, established on March 27, 2004. Their mission is infiltration into enemy territory, reconnaissance, sabotage, and hostage rescue, and conducting military operations against guerrillas or enemy commandos. The unit is based in Camp Narashino in Funabashi, Chiba, along with the 1st Airborne Brigade. The SFGp has been referred to as Japan's Delta Force, due to their specialized role in the Japan Ground Self-Defense Force. The initial operators trained with the U.S. Army's Delta Force. The civilian counterpart of the SFGp is the Special Assault Teams of the prefectural police departments under the Japanese National Police Agency. While current manpower is classified, an estimated 300 operators are known to serve in the SFGp. History In 1998, the Defense Agency had proposed the formation of a unit within the JGSDF that would handle tasks such as counter-terrorism with a selected group of JGSDF soldiers from t ...
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Special Forces (United States Army)
The United States Army Special Forces (SF), colloquially known as the "Green Berets" due to their distinctive service headgear, is a branch of the United States Army Special Operations Command (USASOC). The core missionset of Special Forces contains five doctrinal missions: unconventional warfare, foreign internal defense, direct action, counterterrorism, and special reconnaissance. The unit emphasizes language, cultural, and training skills in working with foreign troops; recruits are required to learn a foreign language as part of their training and must maintain knowledge of the political, economic, and cultural complexities of the regions in which they are deployed. Other Special Forces missions, known as secondary missions, include combat search and rescue (CSAR), counter-narcotics, hostage rescue, humanitarian assistance, humanitarian demining, peacekeeping, and manhunts. Other components of the United States Special Operations Command (USSOCOM) or other U.S. govern ...
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Sum-frequency Generation
Sum-frequency generation (SFG) is a second order nonlinear optical process based on the mixing of two input photons at frequencies \omega_1 and \omega_2 to generate a third photon at frequency \omega_3. As with any \chi^ optical phenomenon in nonlinear optics, this can only occur under conditions where: the light is interacting with matter, that lacks centrosymmetry (for example, surfaces and interfaces); the light has a very high intensity (typically from a pulsed laser). Sum-frequency generation is a "parametric process", meaning that the photons satisfy energy conservation, leaving the matter unchanged: :\hbar\omega_3 = \hbar\omega_1 + \hbar\omega_2 Second-harmonic generation A special case of sum-frequency generation is second-harmonic generation, in which \omega_1=\omega_2. In fact, in experimental physics, this is the most common type of sum-frequency generation. This is because in second-harmonic generation, only one input light beam is required, but if \omega_1\neq\omega ...
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Signal-flow Graph
A signal-flow graph or signal-flowgraph (SFG), invented by Claude Shannon, but often called a Mason graph after Samuel Jefferson Mason who coined the term, is a specialized Flow graph (mathematics), flow graph, a directed graph in which nodes represent system variables, and branches (edges, arcs, or arrows) represent functional connections between pairs of nodes. Thus, signal-flow graph theory builds on that of directed graphs (also called Digraph (mathematics), digraphs), which includes as well that of Orientation (graph theory)#Oriented graphs, oriented graphs. This mathematical theory of digraphs exists, of course, quite apart from its applications. i SFGs are most commonly used to represent signal flow in a physical systems, physical system and its controller(s), forming a cyber-physical system. Among their other uses are the representation of signal flow in various electronic networks and amplifiers, digital filters, state-variable filters and some other types of analog f ...
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Superior Frontal Gyrus
In neuroanatomy, the superior frontal gyrus (SFG, also marginal gyrus) is a gyrus – a ridge on the brain's cerebral cortex – which makes up about one third of the frontal lobe. It is bounded laterally by the superior frontal sulcus. The superior frontal gyrus is one of the frontal gyri. Function Self-awareness In fMRI experiments, Goldberg ''et al.'' have found evidence that the superior frontal gyrus is involved in self-awareness, in coordination with the action of the sensory system. The medial frontal gyrus (MFG) is the medial portion of the superior frontal gyrus. The MFG plays a crucial role implicated in self-reflection and self-awareness, particularly during self-referential processing. The MFG becomes activated when individuals engage in tasks that involve evaluating traits about themselves. This process is essential for maintaining a sense of self. In this study, people with major depressive disorder, also known as MDD, showed heightened and broader activati ...
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Systemic Functional Grammar
Systemic functional grammar (SFG) is a form of grammatical description originated by Michael Halliday. It is part of a social semiotics, semiotic approach to language called ''systemic functional linguistics''. In these two terms, ''systemic'' refers to the view of language as "a network of systems, or interrelated sets of options for making meaning"; ''functional'' refers to Halliday's view that language is as it is because of what it has evolved to do (see Metafunction). Thus, what he refers to as the ''multidimensional architecture of language'' "reflects the multidimensional nature of human experience and interpersonal relations." Influences Halliday describes his grammar as built on the work of Ferdinand de Saussure, Saussure, Louis Hjelmslev, Bronisław Malinowski, Malinowski, J.R. Firth, and the Prague school linguists. In addition, he drew on the work of the American anthropological linguists Franz Boas, Boas, Edward Sapir, Sapir and Benjamin Lee Whorf, Whorf. His "main ...
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San Francisco Giants
The San Francisco Giants are an American professional baseball team based in San Francisco. The Giants compete in Major League Baseball (MLB) as a member club of the National League (baseball), National League (NL) National League West, West Division. Founded in 1883 as the New York Gothams, the team was renamed the New York Giants (baseball), New York Giants three years later, eventually relocation of professional sports teams, relocating from New York City to San Francisco in 1958. The Giants play their home games at Oracle Park in San Francisco. The franchise is one of the oldest and most successful in professional baseball, with more wins than any other team in the history of Major professional sports leagues in the United States and Canada, major American sports. The team was the first major-league organization based in New York City, most memorably playing home games at several iterations of the Polo Grounds. The Giants have played in the World Series 20 times. In 2014, the ...
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L'Espérance Airport
L'Esperance or L'Espérance (French for "The Hope"), may refer to: *L'Espérance (newspaper), Guinean newspaper * L'Esperance, U.S. Virgin Islands *L'Esperance Historic District, U.S. Virgin Islands * ''L'Espérance'' (ship), a French privateer ship captured in the action of 30 September 1780 *L'Esperance Rock, an islet in the South Pacific Ocean People *David Ovide L'Espérance (1864–1941), Canadian politician *Don L'Esperance (1919–2008), American politician *Elise L'Esperance (1878–1958), American physician *Joel L'Esperance (born 1995), American ice hockey player *Renée L'Espérance, Jamaican model See also *Espérance (other) *Lesperance Lesperance, or Lespérance, is a surname. It may refer to: Lesperance *David Lesperance, United States Army major general *Ellen Lesperance (born 1971), American artist and educator, known for her paintings *Matt Lesperance (born 1987), American wh ...

Scouting For Girls
Scouting for Girls are an English pop rock band. Their name is a play on the title of the 1908 Scouting handbook ''Scouting for Boys''. The band was formed in 2005 by three childhood friends from London, Roy Stride on vocals, piano and guitar, Greg Churchouse on bass guitar and James Rowlands on drums. They signed to Epic Records in 2007 and released their Scouting for Girls (album), self-titled debut album that September and it reached No. 1 on the UK Albums Chart in 2008. To date, it has sold over 1 million copies in the UK. Scouting for Girls worked on a second album, ''Everybody Wants to Be on TV'', was released in April 2010 and peaked at number 2 on the Albums Chart. This was preceded by the single "This Ain't a Love Song (Scouting for Girls song), This Ain't a Love Song", which went to number 1 on the UK Singles Chart for two weeks. The band went on to release a further five albums: ''The Light Between Us'' (2012), ''Still Thinking About You'' (2015), ''The Trouble With B ...
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