文件名称:osc_filter
- 所属分类:
- matlab例程
- 资源属性:
- [Matlab] [源码]
- 上传时间:
- 2013-10-30
- 文件大小:
- 1kb
- 下载次数:
- 2次
- 提 供 者:
- jiang******
- 相关连接:
- 无
- 下载说明:
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正交信号校*主要用于近红外光谱矩阵的预处理。其原理是将光谱阵与全氮含量阵正交,滤除光谱与因变量Y阵无关的信号,再建立定量校正模型,达到简化模型及提高模型预测能力的目的。-Orthogonal Signal Correction(OSC) removes variance in the X-block which is orthogonal to the Y-block. Such variance is identified as some number of factors (described as components) of the X-block which have been made orthogonal to the Y-block. When applying this preprocessing to new data, the same directions are removed from the new data prior to applying the model.
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osc_filter.m