Spectrometry: Difference between revisions
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''' | '''Spectrometry''' covers a wide range of measurement techniques, the core concept of which being that they determine the [[amplitude]] of individual [[frequency|frequencies]] of interest in the spectrum of a complex signal. That signal is most often in the [[electromagnetic spectrum]], but can also be acoustic. | ||
The signal of interest may be emitted by the subject, reflected by it, or selectively absorbed by it. Spectrometric information from multiple views of a subject may be used to construct images. | The signal of interest may be emitted by the subject, reflected by it, or selectively absorbed by it. Spectrometric information from multiple views of a subject may be used to construct images. | ||
Revision as of 22:41, 12 February 2009
Spectrometry covers a wide range of measurement techniques, the core concept of which being that they determine the amplitude of individual frequencies of interest in the spectrum of a complex signal. That signal is most often in the electromagnetic spectrum, but can also be acoustic.
The signal of interest may be emitted by the subject, reflected by it, or selectively absorbed by it. Spectrometric information from multiple views of a subject may be used to construct images.