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Spectral index

 Home Physics Concepts in physics Concepts in astronomy Equations of astronomy
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The spectral index is a term used in various fields such as astrophysics, telecommunications, and remote sensing, and it generally refers to a numerical value that characterizes the distribution of energy or intensity across different frequencies or wavelengths of electromagnetic radiation, sound, or other signals. The specific meaning and calculation of the spectral index can vary depending on the context.

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