该方法用短时分析提取数字调制信号在幅度、频率和相位随时间变化的特征，并利用这些特征对各种数字调制信号进行识别。
The approach is to use short-time analysis to extract the characteristics of time-varying amplitude, frequency and phase in a digital modulation signal, and applies them for simple identification.
通过对音频特性的研究，详细分析了音频的物理和生物学特征，在经典的短时分析的基础上，提出了一系列音频特征的提取方法。
According to research of audio, we analyze physics and biology characters and pick up a serial of audio characters on the base of classic short-time analysis.
通过对音频特性的研究，详细分析了音频的物理和生物学特征，在经典的短时分析的基础上，提出了一系列音频特征的提取方法。
According to research of audio, we analyze physics and biology characters and pick up a serial of audio characters on the base of classic short-time analysis.
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