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对联用色谱数据的半自动解析法进行研究。采用正交投影法获得初始迭代光谱，继采用非负最小二乘法和常规最小二乘法进行交替迭代，最终获得纯光谱和纯色谱向量。
The semi-automatic analytical method of combined chromatographic data was studied. Orthogonal projection method was used to obtain the initial iteration spectrum, followed by alternating non-negative least squares and conventional least squares iterative method, and finally obtained pure spectrum and pure chromatography vector.