不同模拟滤波参数对中潜伏期反应的影响

Effect of the Different Analog Filter Parameters for Obtaining a Good MLR Waveform

许政敏;PaulB.vanCauwenberge

1:比利时国立根特大学医院耳鼻咽喉科

2:比利时国立根特大学医院耳鼻咽喉科

摘要
文中测试了10例听力正常人中潜伏期反应,研究采用不同高通和低通模拟滤波参数对其影响.结果表明采用滤波频带为25~500Hz或者更窄,同一受体和个体差异的中潜伏期反应波形变异性明显减少.采用滤波频带小于25~500Hz则显著性影响Pa潜伏期,然而,将低通滤波设置从500Hz上升至3000Hz,Pa潜伏期几乎无变化.认为选择滤波频带为25~500Hz既可减少中潜伏期反应波形变异性,又可避免中潜伏期彼形的失真.
关键词
中潜伏期反应;模拟滤波;滤波频带
基金项目(Foundation):
作者
许政敏;PaulB.vanCauwenberge
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