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Method for quantitative absorption spectroscopy, version 2.1

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Method for quantitative absorption spectroscopy, version 2.1

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14 Aug 2006 (Updated )

A computational method for quantitative analysis by multiwavelength absorption spectroscopy

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Description

A computational method for quantitative analysis by multiwavelength absorption spectroscopy, called the Tfit method, based on fitting a model of the instrumentally-broadened transmission spectrum to the observed transmission data. It has the advantages of wider dynamic range and greatly improved calibration linearity, compared to conventional methods. Run TFitDemo.m to see how it works. Version 2.1 Press K to display list of all keyboard commands. See http://www.wam.umd.edu/~toh/spectrum/TFit.html for more details.

MATLAB release MATLAB 7.8 (R2009a)
Other requirements none
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Comments and Ratings (2)
01 Nov 2011 Sahrul Hidayat

very useful program. Thanks for sharing

24 Oct 2006 kwamena Halm

great document. will like to subscribe to this newsgroup

Updates
16 Aug 2006

Change to file details (title, description, requirements, ...)
Bug fixes

15 Sep 2006

Change to file details (title, description, requirements, ...)

18 Sep 2009

Slider function modified by commenting out lines 337 and 373
to prevent crash on Matlab 2008 and 2009.

01 Aug 2011

Now includes Keyboard-operated versions TFitDemo.m and TFit3Demo.m that work correctly in later versions of Matlab.

29 Sep 2011

TFitDemo.m now includes a statistics and calibration curve function.

07 Nov 2011

Version 2.1, November 2011, adds SNR
calculation; W key to switch between Transmission and Absorbance display.

01 Nov 2012

Adds command-line demos tfit.m and TFit3.m, for single-component and three-component systems, respectively.

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