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由于脑干听诱发电位的信噪比很小,因此为了把它记录下来,除了迭加之外还要进行滤波。但是滤波会引起畸变和模数转换中的迭混误差。这在诊断以及不同实验室结果之间的比较上都引起了困难。本文企图说明各种滤波对正常受试者听脑干反应中不同成分的构型与潜伏期的影响问题。
Since the signal to noise ratio of brainstem auditory evoked potentials is small, in order to record it, filtering is done in addition to the superposition. However, filtering can cause aliasing errors in the distortion and A / D conversion. This caused difficulties in both diagnosis and comparison between different laboratory results. This article attempts to illustrate the effect of various filters on the normal subject’s brainstem response in different components of the configuration and latency issues.