Table 1.

Fitting parameters for spectral peak decomposition in the 1560-1680 cm^–1 region for corn seed spectra.

Seed	Fitting parameters of spectral peak									Decomposition spectral peaks			Relative error
	a 1	μ 1	σ 1	a 2	μ 2	σ 2	a 3	μ 3	σ 3	Peak A	Peak B	Peak C
D1	1028	1599	15	661	1632	8	702	1657	10	$1028\times e^{-\frac{{(x-1599)}^2}{450}}$	$661\times e^{-\frac{{(x-1632)}^2}{128}}$	$702\times e^{-\frac{{(x-1657)}^2}{200}}$	8.68%
D2	642	1598	15	292	1630	6	408	1654	13	$642\times e^{-\frac{{(x-1598)}^2}{450}}$	$292\times e^{-\frac{{(x-1630)}^2}{72}}$	$408\times e^{-\frac{{(x-1654)}^2}{338}}$	7.71%
D3	618	1599	15	449	1631	8	705	1657	10	$618\times e^{-\frac{{(x-1599)}^2}{450}}$	$449\times e^{-\frac{{(x-1631)}^2}{128}}$	$705\times e^{-\frac{{(x-1657)}^2}{200}}$	12.72%