【摘 要】
：
为去除瞬态诱发耳声发射信号中的刺激伪迹,在不降低信噪比的同时保留瞬态诱发耳声发射信号中的有用信息.论文采用小波变换的方法,分解了人耳物理模型中通过线性累加所获取的
【机 构】
：
清华大学电机工程与应用电子技术系,北京耳鼻咽喉科研究所
论文部分内容阅读
为去除瞬态诱发耳声发射信号中的刺激伪迹,在不降低信噪比的同时保留瞬态诱发耳声发射信号中的有用信息.论文采用小波变换的方法,分解了人耳物理模型中通过线性累加所获取的数据,找出了在不同刺激强度下,刺激伪迹所在的尺度、时间段及去除刺激伪迹的方法,然后将此法用于去除受试耳中记录到的信号的刺激伪迹.与导出的非线性响应方法相比,此方法不但有效去除了记录信号中的刺激伪迹,而且在不降低信噪比的同时保留了瞬态诱发耳声发射信号的有用信息.此方法为进一步研究耳蜗功能和研究耳声发射机理及临床应用起了推动作用.
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