Difference: 20151009_MSciSpectrocopyAnalysis (2 vs. 3)

Revision 313 Oct 2015 - JosephBayley

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META TOPICPARENT name="StewartBoogertSpectroscopy2015"
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  l is equal to the expextation value and the variance, therefore for the distribution to be poisson the mean should be equal to the square of the standard deviation.
Spectrum with removed background

The background could then be reomved from the inital spectra of the lamp leaving only the significant peaks. This was done by removing the mean+stdev.

  • Cadmium_removedBackground.png:
 -- JosephBayley - 13 Oct 2015

META FILEATTACHMENT attachment="Cadmium_spectrum.png" attr="h" comment="" date="1444724881" name="Cadmium_spectrum.png" path="Cadmium_spectrum.png" size="74235" user="zxap044" version="1"
META FILEATTACHMENT attachment="Background_cadmium_plot.png" attr="h" comment="Background with bright pixel" date="1444735056" name="Background_cadmium_plot.png" path="Background_cadmium_plot.png" size="63206" user="zxap044" version="1"
META FILEATTACHMENT attachment="Background_cadmium_histogram.png" attr="h" comment="Background histogram" date="1444735377" name="Background_cadmium_histogram.png" path="Background_cadmium_histogram.png" size="41881" user="zxap044" version="2"
META FILEATTACHMENT attachment="Cadmium_removedBackground.png" attr="h" comment="" date="1444749862" name="Cadmium_removedBackground.png" path="Cadmium_removedBackground.png" size="89641" user="zxap044" version="1"
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