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	<title>Spectral - Revision history</title>
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	<updated>2026-04-05T23:59:07Z</updated>
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		<title>Prab: CSV import</title>
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		<updated>2024-05-20T06:47:21Z</updated>

		<summary type="html">&lt;p&gt;CSV import&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;[[File:Spectral_(Title_Card).jpg|thumb|right]] {{clear}} == Spectral ==&lt;br /&gt;
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&amp;#039;&amp;#039;&amp;#039;Spectral&amp;#039;&amp;#039;&amp;#039; is a term that can refer to various concepts across different fields such as [[physics]], [[mathematics]], [[music]], and [[paranormal]] studies. The term is derived from the word &amp;quot;spectrum,&amp;quot; which generally refers to a range of values or a continuum.&lt;br /&gt;
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=== In Physics ===&lt;br /&gt;
In [[physics]], spectral refers to the analysis of the [[spectrum]] of light or other electromagnetic radiation. This can include the study of [[spectral lines]], which are unique frequencies of light emitted or absorbed by substances, and are used in [[spectroscopy]] to identify the composition of materials. Spectral analysis is crucial in fields such as [[astronomy]], where it helps in determining the composition, temperature, density, and motion of celestial objects.&lt;br /&gt;
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=== In Mathematics ===&lt;br /&gt;
In [[mathematics]], spectral theory is a branch of [[linear algebra]] and [[functional analysis]] that deals with the study of [[eigenvalues]] and [[eigenvectors]] of [[operators]]. Spectral theory has applications in various areas including [[quantum mechanics]], where it is used to solve the [[Schrödinger equation]].&lt;br /&gt;
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=== In Music ===&lt;br /&gt;
In [[music]], spectral music is a genre that focuses on the analysis and manipulation of the [[spectrum]] of sound. Composers in this genre use [[spectrograms]] to visualize the frequency content of sounds and create compositions based on these visual representations. This approach allows for a more detailed and nuanced control over the timbre and texture of the music.&lt;br /&gt;
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=== In Paranormal Studies ===&lt;br /&gt;
In [[paranormal]] studies, the term spectral is often associated with [[ghosts]] or [[apparitions]]. Spectral entities are believed to be the spirits of deceased individuals that manifest in various forms, often visible as translucent or ethereal figures.&lt;br /&gt;
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=== Applications ===&lt;br /&gt;
Spectral analysis has a wide range of applications across different fields:&lt;br /&gt;
* In [[astronomy]], it is used to study the composition and properties of [[stars]] and [[galaxies]].&lt;br /&gt;
* In [[medicine]], spectral imaging techniques such as [[MRI]] and [[CT scans]] are used for diagnostic purposes.&lt;br /&gt;
* In [[environmental science]], spectral analysis helps in monitoring and assessing the health of ecosystems.&lt;br /&gt;
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== See Also ==&lt;br /&gt;
* [[Spectrum]]&lt;br /&gt;
* [[Spectroscopy]]&lt;br /&gt;
* [[Eigenvalue]]&lt;br /&gt;
* [[Eigenvector]]&lt;br /&gt;
* [[Schrödinger equation]]&lt;br /&gt;
* [[Spectrogram]]&lt;br /&gt;
* [[Ghost]]&lt;br /&gt;
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== References ==&lt;br /&gt;
{{Reflist}}&lt;br /&gt;
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== External Links ==&lt;br /&gt;
{{Commons category|Spectral}}&lt;br /&gt;
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[[Category:Physics]]&lt;br /&gt;
[[Category:Mathematics]]&lt;br /&gt;
[[Category:Music]]&lt;br /&gt;
[[Category:Paranormal]]&lt;br /&gt;
[[Category:Science]]&lt;br /&gt;
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{{medicine-stub}}&lt;/div&gt;</summary>
		<author><name>Prab</name></author>
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