The quantitative relationship between filtering parameters and amplitude-frequency and phase shift characteristics is analysed theoretically in this paper.
本文从理论上分析了滤波参数与幅频特性和相移特性的定量关系。
The study on speech signal formant abstracted by LPC shows that it can also be abstracted by adopting phase-frequency characteristics and logarithmic amplitude-frequency characteristics.
通过对LPC(线性预测编码)方法提取语音信号共振峰进行的研究表明，采用相-频特性与对数幅-频特性同样能提取语音信号共振峰。
The vibration were measured using capacitance-detecting technology to get the amplitude-frequency and phase-frequency characteristics.
用电容检测技术测量其振动信号，以获得传感器幅频、相频特性。
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