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Spectral density
Spectral density In applied mathematics and physics, the spectral density is a general concept applied to a ... electromagnetic wave, or an acoustic wave . The spectral density of the wave, when multiplied ...
http://en.wikipedia.org/wiki/Spectral_density - 12k - Cached - Similar pages
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Spectral power density (translated from German)
Spectral power density Those spectral power density (also Power spectrum) indicates, with which Amplitude ... meant. The knowledge and analysis of the spectral power density of information signal and ...
http://de.wikipedia.org/wiki/Spektrale_Leistungsdichte - 3k - Cached (German) - Wikipedia (German) - Similar pages
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Talk:Spectral density
Talk:Spectral density Physics is not the only field in ... and A" are in a sense the spectral density of the sound signal." What does that ... the same methods used to calculate the spectral density can still be used, but ...
http://en.wikipedia.org/wiki/Talk:Spectral_density - 7k - Cached - Similar pages
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Spectral bands
Spectral bands Spectral bands are part of optical spectra of ... gets continuum of energy levels, so called "spectral bands". They are often labeled in the ... energy spectrum can be given with a density function, describing the number of energy levels ... the quantum system for a given interval. Spectral bands have constant density, and when ...
http://en.wikipedia.org/wiki/Spectral_bands - 1k - Cached - Similar pages
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Spectral line
Spectral line Absorption lines in the spectrum of ... dark areas are the absorption lines. A spectral line is a dark or bright line ... frequency range, compared with the nearby frequencies. Spectral lines are the result of interaction between ... by spectroscopic means -- helium, thallium, cerium, etc. Spectral lines also depend on the physical conditions ... other than atom-photon interaction can produce spectral lines. Depending on the exact physical ...
http://en.wikipedia.org/wiki/Spectral_line - 14k - Cached - Similar pages
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Atomic spectral line
Atomic spectral line In physics, atomic spectral lines are formed when an electron makes ... released in the process, which forms the spectral line. The frequency at which the spectral line occurs is related to the energy ... math> where is the density of emitting atoms, |
Spectral class (translated from Russian)
Spectral class Spectral classes - the classification zvezd on spektru of ... and the line of emission. Basic (Harvard) spectral classification Contemporary (Harvard) spectral classification of stars, developed in Garvardskoy of ... lines in spektrakh zvezd of different the spectral classes. Diagram the spectral class- luminosity ( ...
http://ru.wikipedia.org/wiki/Спектральный_класс - 9k - Cached (Russian) - Wikipedia (Russian) - Similar pages
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Spectral analysis (translated from French)
Spectral analysis A physical phenomenon depend on time ... dephasing. It is the problem of the spectral analysis: to break up a signal complicated ... spectrum of amplitude but a spectrum of density of amplitude of which the unit is ... all those which contain the same components. Spectral concentration One can deduce from what precedes ... a transform of Fourier whom one names spectral concentration and whom one generally notes ...
http://fr.wikipedia.org/wiki/Analyse_spectrale - 19k - Cached (French) - Wikipedia (French) - Similar pages
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Spectral line (translated from French)
Spectral line One spectral line is a dark or luminous line ... spectre electromagnetic differently uniform and continuous. The spectral lines are the result of the interaction ... interaction atom-photon can produce of the spectral lines. According to the exact physical interaction ... directions; what causes a widening of the spectral lines. As the speed of the ...
http://fr.wikipedia.org/wiki/Raie_spectrale - 7k - Cached (French) - Wikipedia (French) - Similar pages
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Spectral efficiency (translated from Dutch)
Spectral efficiency Spectral efficiency a half-measure for the efficiency ... certain quantity snappish per seconde are transported. Spectral efficiency is expressed for this reason snappish ... the Greek character eta) uses. The maximum spectral efficiency for a certain band width coincides ... the indicator ruisverhouding, how higher the maximum spectral efficiency is. For SNR of 30 ...
http://nl.wikipedia.org/wiki/Spectrale_efficiëntie - 2k - Cached (Dutch) - Wikipedia (Dutch) - Similar pages
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