Sampling segmented K-space data makes a truncation of MR signal which is with continuous frequencies, leads to the truncation artifact in the reconstruction images after Fourier transform.
由于采集部分K空间数据成像是对连续频率MR信号的截断,导致经过傅立叶变换后的重建图像中出现截断伪影。
The research result shows that the method of the diagonal slice of the normalized bispectrum magnitude and K-L transform is an effective method for extracting features from Chinese pulse signals.
研究结果表明,归一化双谱对角切片与K - L变换相结合的方法是提取中医脉象信号特征的有效方法。
By K-T transform, the information of soil salinization can be extruded, it is benefit for us to extract soil salinization information. So, it is useful to improve the classification precision.
经过K - T变换后能够使盐渍土壤的信息表现得比较突出,有利于盐渍土信息的提取,对于土壤盐渍化的分级精度的提高很有意义。
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