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Calibration Curves: Linear Least Squares01:20

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A calibration curve is a plot of the instrument's response against a series of known concentrations of a substance. This curve is used to set the instrument response levels, using the substance and its concentrations as standards. Alternatively, or additionally, an equation is fitted to the calibration curve plot and subsequently used to calculate the unknown concentrations of other samples reliably.
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O-cresol Concentration Online Measurement Based On Near Infrared Spectroscopy Via Partial Least Square Regression
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在没有校准的波长调制光谱系统中检索度,使用粒子群优化算法.

Tingting Zhang1, Yongjie Sun2, Pengpeng Wang1

  • 1School of Physics Science and Information Technology, Liaocheng University, Liaocheng 252000, China.

Sensors (Basel, Switzerland)
|July 29, 2023
PubMed
概括

一种新的粒子群优化 (PSO) 技术在波长调制光谱学中显著加速度检索. 与传统算法相比,这种方法可以更快地检测C2H2等气体,而无需校准.

关键词:
没有校准的自由校准.粒子群优化算法 粒子群优化算法这是一个光谱拟合器.波长调节的光谱学波长调节的光谱学

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科学领域:

  • 分析化学 分析化学
  • 频谱学是一种光谱学.
  • 计算化学的计算化学

背景情况:

  • 波长调制光谱 (WMS) 是一种敏感的气体检测技术.
  • 传统的WMS度检索通常依赖于预先特征化的激光参数,限制了其适用性.
  • 对于实际的WMS系统来说,无校准的方法是理想的.

研究的目的:

  • 开发和评估使用粒子群优化 (PSO) 进行WMS的新型,无校准的度检索技术.
  • 为了比较基于PSO的技术与传统的莱文伯格-马奎特 (LM) 算法的性能.

主要方法:

  • 基于粒子群优化 (PSO) 算法的度检索算法的实现.
  • 分析和优化影响PSO技术性能的关键参数.
  • 用莱文伯格-马奎特 (LM) 算法进行C2H2度检测的比较性能评估.

主要成果:

  • 基于PSO的技术表明,对激光调参数的预先描述的依赖性减少了.
  • 通过系统测试确定了PSO方法的最佳参数值.
  • 该PSO技术实现了与LM算法相似的准确性,但大约是63倍更快.
  • 使用PSO方法,在5秒内获得与预期值一致的结果.

结论:

  • 基于PSO的度检索技术为无校准的WMS提供了显著的速度优势.
  • 这种先进的方法提高了WMS用于气体度测量的效率和实用性.
  • 公共服务组织的方法为传统方法提供了强大的替代方案,特别是当预先描述具有挑战性时.