通过广义强迫对局部频率锁定波的不对称性的建模及其对内耳的影响
Molding the asymmetry of localized frequency-locking waves by a generalized forcing and implications to the inner ear
摘要：
频率锁定到外部强制频率是众所周知的现象。在听觉系统中，它导致局部行波，其形状对于有效区分传入频率至关重要。振幅方程的方法被用来表明，本地化的行波的形状取决于关键的附加与参数强迫分量的相对强度，更强的参数强迫的响应轮廓和尖锐的行波前更不对称。该分析捕捉经验观察到的线性和非线性响应的区域，并突出了参数强制机制在塑造内耳的共振响应的意义。
英文摘要：
Frequency locking to an external forcing frequency is a {well} known phenomenon. In the auditory system, it results in a localized traveling wave, the shape of which is essential for efficient discrimination between incoming frequencies. An amplitude equation approach is used to show that the shape of the localized traveling wave depends crucially on the relative strength of additive vs. parametric forcing components; the stronger the parametric forcing the more asymmetric the response profile and the sharper the traveling-wave front. The analysis captures the empirically observed regions of linear and nonlinear responses and highlights the significance of parametric forcing mechanisms in shaping the resonant response in the inner ear.
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