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34 relations: Air gun, Apollo Lunar Surface Experiments Package, Capacitor, Cavitation, Conoco, Cross-correlation, Dirac delta function, Dynamite, Earth, Earthquake, Electromechanics, Energy, Explosive material, Geophone, Hexanitrostilbene, Hydrophone, Impulse response, Mortar (weapon), Optical medium, Patent, Pneumatics, Reflection (physics), Reflection seismology, Refraction, Rock (geology), Seismic refraction, Seismic vibrator, Seismic wave, Seismology, Sledgehammer, Sonar, Underwater acoustics, Volcano, Water.
Air gun
An air gun (or airgun) is any kind of gun that launches projectiles pneumatically with compressed air or other gases that are pressurized mechanically without involving any chemical reactions, in contrast to a firearm, which relies on an exothermic chemical oxidation (deflagration) of combustible propellants to generate propulsive energy.
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Apollo Lunar Surface Experiments Package
The Apollo Lunar Surface Experiments Package (ALSEP) comprised a set of scientific instruments placed by the astronauts at the landing site of each of the five Apollo missions to land on the Moon following Apollo 11 (Apollos 12, 14, 15, 16, and 17).
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Capacitor
A capacitor is a passive two-terminal electrical component that stores potential energy in an electric field.
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Cavitation
Cavitation is the formation of vapour cavities in a liquid, small liquid-free zones ("bubbles" or "voids"), that are the consequence of forces acting upon the liquid.
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Conoco
Conoco Inc. was an American oil company founded in 1875 as the Continental Oil and Transportation Company.
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Cross-correlation
In signal processing, cross-correlation is a measure of similarity of two series as a function of the displacement of one relative to the other.
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Dirac delta function
In mathematics, the Dirac delta function (function) is a generalized function or distribution introduced by the physicist Paul Dirac.
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Dynamite
Dynamite is an explosive made of nitroglycerin, sorbents (such as powdered shells or clay) and stabilizers.
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Earth
Earth is the third planet from the Sun and the only astronomical object known to harbor life.
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Earthquake
An earthquake (also known as a quake, tremor or temblor) is the shaking of the surface of the Earth, resulting from the sudden release of energy in the Earth's lithosphere that creates seismic waves.
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Electromechanics
In engineering, electromechanics combines processes and procedures drawn from electrical engineering and mechanical engineering.
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Energy
In physics, energy is the quantitative property that must be transferred to an object in order to perform work on, or to heat, the object.
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Explosive material
An explosive material, also called an explosive, is a reactive substance that contains a great amount of potential energy that can produce an explosion if released suddenly, usually accompanied by the production of light, heat, sound, and pressure.
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Geophone
A geophone is a device that converts ground movement (velocity) into voltage, which may be recorded at a recording station.
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Hexanitrostilbene
Hexanitrostilbene (HNS), also called JD-X, is an organic compound with the formula 2.
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Hydrophone
A hydrophone (Ancient Greek ὕδωρ.
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Impulse response
In signal processing, the impulse response, or impulse response function (IRF), of a dynamic system is its output when presented with a brief input signal, called an impulse.
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Mortar (weapon)
A mortar is usually a simple, lightweight, man portable, muzzle-loaded weapon, consisting of a smooth-bore metal tube fixed to a base plate (to absorb recoil) with a lightweight bipod mount.
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Optical medium
An optical medium is material through which electromagnetic waves propagate.
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Patent
A patent is a set of exclusive rights granted by a sovereign state or intergovernmental organization to an inventor or assignee for a limited period of time in exchange for detailed public disclosure of an invention.
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Pneumatics
Pneumatics (From Greek: πνεύμα) is a branch of engineering that makes use of gas or pressurized air.
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Reflection (physics)
Reflection is the change in direction of a wavefront at an interface between two different media so that the wavefront returns into the medium from which it originated.
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Reflection seismology
Reflection seismology (or seismic reflection) is a method of exploration geophysics that uses the principles of seismology to estimate the properties of the Earth's subsurface from reflected seismic waves.
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Refraction
Refraction is the change in direction of wave propagation due to a change in its transmission medium.
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Rock (geology)
Rock or stone is a natural substance, a solid aggregate of one or more minerals or mineraloids.
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Seismic refraction
Seismic refraction is a geophysical principle (see refraction) governed by Snell's Law.
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Seismic vibrator
A seismic vibrator is a truck-mounted or buggy-mounted device that is capable of injecting low-frequency vibrations into the earth.
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Seismic wave
Seismic waves are waves of energy that travel through the Earth's layers, and are a result of earthquakes, volcanic eruptions, magma movement, large landslides and large man-made explosions that give out low-frequency acoustic energy.
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Seismology
Seismology (from Ancient Greek σεισμός (seismós) meaning "earthquake" and -λογία (-logía) meaning "study of") is the scientific study of earthquakes and the propagation of elastic waves through the Earth or through other planet-like bodies.
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Sledgehammer
A sledgehammer is a tool with a large, flat, often metal head, attached to a lever (or handle).
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Sonar
Sonar (originally an acronym for SOund Navigation And Ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, communicate with or detect objects on or under the surface of the water, such as other vessels.
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Underwater acoustics
Underwater acoustics is the study of the propagation of sound in water and the interaction of the mechanical waves that constitute sound with the water and its boundaries.
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Volcano
A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface.
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Water
Water is a transparent, tasteless, odorless, and nearly colorless chemical substance that is the main constituent of Earth's streams, lakes, and oceans, and the fluids of most living organisms.
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References
[1] https://en.wikipedia.org/wiki/Seismic_source
