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×öÇúÏßÄâºÏ£¬²ÉÓÃpseudo-voigt¾í»ý¸ß˹ºÍÂåÂ××Ⱥ¯Êý£¬ÆäʵҲ²»ÄÑ£¬ÄѾÍÄÑÔÚmanualÉϸøµÄÊǾí»ýºóµÄpseudo-voigt£¬²ÎÊýÕýÊÇÈí¼þµ÷ÊÔËùÐ裬³ÌÐò²»¿ªÔ´¿´²»¼û£¬ÊµÔÚû°ì·¨¾ÍÖ»ÄܲÂÁË¡£¡£¡£¡£¡£ÏëÓÃmatlab½øÐÐÄâºÏ£¬µ«Ê×ÏÈÒª×öµÄʼò»¯·½³Ì£¬ÊµÔÚÌ«ÄÑ£¬Çó¸ßÊÖ¼ò»¯·½³Ì£¬Ë³´øÐ´Ð´´úÂë¸üºÃ ·Ç³£¸Ðл¡£
this function is a combination of Gaussian and Lorentzian with weight coefficient between them. The Gaussian function models better the real experimental effects far on the wings of the central substrate peak, and pseudo-Voigt balances the wings and substrate peak spread. The convolution integral for general pseudo-Voigt function is eq.£¨1£©

in eq. (1) A£ºweight coefficient; ¦Ò: dispersion of Gaussian function; and b is a Lorentzian factor.
The normalization factor is defined from eq.(2)

where G and L are Gaussian and Lorentzian, respectively. The convolutions for separate Gaussian and Lorentzian are given by corresponding parts of formulas above. The normalization used for these functions in ** defines the values of gaussian dispersion ¦Ò and Lorentzian factor b in the scanning axis units, i.e. degrees, radians or arcseconds for angular scan types and reciprocal nanometers for reciprocal scan types.


That's all the information I can present here, thank you
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feixiaolin

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[ Last edited by feixiaolin on 2013-12-7 at 16:20 ]
2Â¥2013-12-07 11:23:19
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feixiaolin: ±à¼­ÄÚÈÝ 2013-12-07 16:20
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2Â¥: Originally posted by feixiaolin at 2013-12-07 11:23:19
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[ Last edited by feixiaolin on 2013-12-7 at 16:20 ]
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