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Improvement of Small-Channel MCG System for Unshielded Environment

机译:用于非屏蔽环境的小通道MCG系统的改进

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Some improving of small-channel system have been performed, including synthetic channels formed by two physical ones, Principal Component Analysis (PCA)-based algorithm for de-noising of input signal, and Lead Fields (LF) for 36 spatial channels taking into account the coverage diagram of gradiometers. Above improvements are directed to increase reliability and signal-to-noise ratio (SNR) at unshielded environment and also to overcome blurring of current density distribution (CDD) images of the heart electric activity.
机译:对小通道系统进行了一些改进,包括由两个物理通道组成的合成通道,基于主成分分析(PCA)的输入信号降噪算法以及考虑了36个空间通道的前导场(LF)梯度计的覆盖图。上述改进旨在提高非屏蔽环境下的可靠性和信噪比(SNR),并克服心脏电活动的电流密度分布(CDD)图像的模糊。

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