彝语和白语的元音交替：声门波（声源）不同或是音色（共鸣腔）差异？
1·In this paper, we start from the energy point of view, use AM-FM modulation model and formant frequency, to remove the vocalic interference which vast majority of energy in the useful speech.
本文从能量角度入手，利用调频-调幅模型和共振峰特征，滤除混叠在有用语音中的含绝大部分能量的元音干扰。