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Artefact rejection from Wigner Ville spectra of cardiovascular series in autonomic tests

机译:自主检验中心血管系列的Wigner Ville Spectra的人工制品

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Wigner Ville distribution has many of the desirable features for the spectral analysis of cardiovascular series during the transients of the autonomic tests, but the presence of the artefacts makes power measurements from the spectra often unreliable. This work proposes new approaches for rejecting artefacts, besides the well known spectral averaging. In particular, an appropriate preprocessing and a segment-regression based smoothing are considered and compared with the classical approach, taking into account both the different characteristics of the considered autonomic tests.
机译:Wigner Ville分布在自主检验的瞬态期间具有许多可持续的心血管系列光谱分析的所需特征,但人工制品的存在使得来自光谱的功率测量通常不可靠。除了众所周知的光谱平均,这项工作提出了拒绝人工制品的新方法。特别地,考虑到所考虑所认为的自主检验的不同特征,考虑到具有适当的预处理和基于分段的平滑的平滑,并考虑到了古典方法。

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