electromagnetic wave


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electromagnetic wave

n.
A wave of electromagnetic energy that is radiated by an accelerating or oscillating electric charge and propagates through a vacuum or a material medium as a periodic disturbance of the electromagnetic field at a frequency within the electromagnetic spectrum.

electromagnetic wave

n
(General Physics) a wave of energy propagated in an electromagnetic field. See also electromagnetic radiation

elec′tromagnet′ic wave′


n.
a wave propagated at the speed of light by the periodic variations of electric and magnetic fields.
[1905–10]

electromagnetic wave

A wave of energy consisting of oscillating electric and magnetic fields. Radio waves, light waves, and x-rays are electromagnetic waves.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.electromagnetic wave - radiation consisting of waves of energy associated with electric and magnetic fields resulting from the acceleration of an electric chargeelectromagnetic wave - radiation consisting of waves of energy associated with electric and magnetic fields resulting from the acceleration of an electric charge
photon - a quantum of electromagnetic radiation; an elementary particle that is its own antiparticle
actinic radiation, actinic ray - electromagnetic radiation that can produce photochemical reactions
electron beam, beam, ray - a group of nearly parallel lines of electromagnetic radiation
blackbody radiation, black-body radiation - the electromagnetic radiation that would be radiated from an ideal black body; the distribution of energy in the radiated spectrum of a black body depends only on temperature and is determined by Planck's radiation law
Hertzian wave - an electromagnetic wave generated by oscillations in an electric circuit
gamma radiation, gamma ray - electromagnetic radiation emitted during radioactive decay and having an extremely short wavelength
line - a single frequency (or very narrow band) of radiation in a spectrum
microwave - a short electromagnetic wave (longer than infrared but shorter than radio waves); used for radar and microwave ovens and for transmitting telephone, facsimile, video and data
radiation - energy that is radiated or transmitted in the form of rays or waves or particles
radio emission, radio radiation, radio wave - an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m
roentgen ray, X ray, X-radiation, X-ray - electromagnetic radiation of short wavelength produced when high-speed electrons strike a solid target
Translations
elektromagnetische Welle
onda electromagnética
sähkömagneettinen aalto
gelombang elektromagnetik
onda elettromagnetica
電磁波
onda eletromagnética
คลื่นแม่เหล็กไฟฟ้า
sóng điện từ
References in periodicals archive ?
The fundamental areas of electromagnetic wave countermeasures are electromagnetic interference (EMI) countermeasures, which protect other circuits from the electromagnetic waves emitted by a device, and electromagnetic susceptibility (EMS) countermeasures, which protect against effects from external electromagnetic waves.
The most advantageous way to use electromagnetic wave inspection is to perform periodic, or even continuous, monitoring.
The first chapter describes supercomputers and their application to electromagnetic wave problems.
SALT LAKE CITY -- NACE CORROSION 2012 (booth #233) -- Ecospec announced today the first corrosion and bio-fouling control system leveraging patented Ultra-Low Frequency (ULF) electromagnetic wave technology.
Viitanen, Electromagnetic Waves in Chiral and Bi-isotropic Media, Artech House, Boston, 1994.
The international unit of SAR is W/kg, which indicates something to the effect of the time derivative of the mass absorption or electromagnetic wave energy consumption of a biological target tissue per unit.
Now, substituting solution U from (3) in (4), we find the vector longitudinal electric field of longitudinal electromagnetic wave
And as an example for the electromagnetic spectrum, machines can be manufactured that are transparent against electromagnetic waves, such as military tools and vehicles made, instead of metal, of sturdy multilayer materials that are transparent against radar waves.
A plane electromagnetic wave obliquely incidents upon the uniaxial chiral slab.
Among his topics are electromagnetic properties of plasma and plasma modes, kinetic-derivation and analysis of the dielectric tensor, electromagnetic wave interaction with the ionosphere, nonlinear plasma waves, and ionospheric very-low-frequency transmitter.
Among them, the object of ES is to immediately detect target signal in a war, and ES's activities include detecting and monitoring radiated electromagnetic wave energy, producing information through direction finding and identification process, and providing the information of target for EA.
1 second is defined by the International Committee for Weights and Measures (CIPM) based on the frequency of a certain electromagnetic wave in relation to cesium atoms.

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