The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 30, 2019

Filed:

Apr. 21, 2018
Applicant:

Space Engineering University, Beijing, CN;

Inventors:

Wei Rao, Beijing, CN;

Guangyu Wang, Beijing, CN;

Yanji Hong, Beijing, CN;

Junling Song, Beijing, CN;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/00 (2006.01); G01N 21/39 (2006.01); G01J 3/42 (2006.01); G01N 21/3504 (2014.01);
U.S. Cl.
CPC ...
G01N 21/39 (2013.01); G01J 3/42 (2013.01); G01N 21/3504 (2013.01); G01J 2003/423 (2013.01); G01N 2021/399 (2013.01); G01N 2201/0612 (2013.01); G01N 2201/129 (2013.01);
Abstract

The present invention provides a Voigt line shape fitting method, including step 1: Calculate a Gauss line shape function and a Lorentz line shape function, and calculate a Voigt line shape function. Step 2: For determined line shape parameters to be fitted, calculate partial derivatives of the Voigt line shape function with respect to the parameters, convert a partial derivative of the Voigt line shape function with respect to a parameter into a partial derivative of the Gauss line shape function or the Lorentz line shape function with respect to the parameter. Step 3: Substitute the Voigt line shape function and the partial derivative of the Voigt line shape function with respect to the parameter to be fitted, into a least squares algorithm step, perform least squares fitting calculation, and determine whether to terminate the least squares fitting calculation or return to step 1 to perform next iterative calculation.


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