窗口傅里叶变换能够更好的解决关于非周期信号的表示问题。
The window Fourier transform(WFT )is one solution to the problem of better representing the nonperiodic signal.
频率域滤波方法虽然可解决时变滤波问题，但这种方法是基于傅里叶变换，在窗口与窗口之间的接合部位会出现假异常。
Although the filtering method in frequency domain can solve the time variant filtering problem based on Fourier transform, the method may appear a false anomaly in conjunct part between Windows.
短时傅里叶变换技术存在窗口问题，限制了垂向分辨率，而且不能适应地层厚度的变化；
STFT method has the window problem, which limits the vertical resolution, and cannot adapt the thickness transverse change of layers.
文章介绍了偏最小二乘法在傅里叶变换红外光谱中的应用，对改进算法，如移动窗口PLS (MWPLS)、稳健pls (RPLS)、加权PLS (WPLS)和非线性PLS等进行了介绍。
The applications of PLS to FTIR were mentioned. Improved algorithms were presented, such as moving Windows PLS (MWPLS), robust PLS (RPLS), weighted PLS (WPLS), and non-linear PLS.
文章介绍了偏最小二乘法在傅里叶变换红外光谱中的应用，对改进算法，如移动窗口PLS (MWPLS)、稳健pls (RPLS)、加权PLS (WPLS)和非线性PLS等进行了介绍。
The applications of PLS to FTIR were mentioned. Improved algorithms were presented, such as moving Windows PLS (MWPLS), robust PLS (RPLS), weighted PLS (WPLS), and non-linear PLS.
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