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A fast automatic algorithm is proposed for baseline correction of infrared (IR) spectral signals.It is devised based on iterative curve fitting where orthogonal polynomials are used.The algorithm can process both emission and absorption spectra automatically without human intervention.Orthogonal polynomials are used for curve fitting to reduce computation time.Both emission and absorption spectra are obtained and the results demonstrate the feasibility and practicability of this algorithm. 相似文献
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快速准确地识别污染气体种类是光谱法环境监测技术对分类器的基本要求。分段线性分类器简单、计算量小,可以较好的逼近非线性分界面。文章根据最大化分类间隔的思想,结合分段线性分类器和线性支持向量机,设计了单边分段线性分类器优化算法。对某气体模拟剂光谱的分类实验表明,经过优化算法训练的分段线性分类器可以用较少的超平面逼近非线性分界面,而且得到更高的识别准确率。 相似文献
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