spectrum envelope

The envelope of sound spectrum is related to the transfer function of bore.

声频谱包络的特点和音管的传递函数有相应的关系。

An Agonic algorithm of Speech Logarithm Spectrum Envelope

一种语音信号对数幅度谱包络的无偏算法

Spectrum envelope of high-band speech is obtained from the LSF parameters of narrow-band through GMM.

利用高斯混合模型（GMM）由窄带语音的LSF参数扩展得到高带语音的包络谱信息；

The experimental results show that envelope spectrum analysis can effectively diagnosis the faults of the bearing.

通过对轴承内圈、外圈故障实验信号的分析,表明该方法能有效诊断轴承的故障.

Formant: it uses the estimation of the overall shape of the spectrum's amplitude envelope.

共振峰: 使用了对频谱的振幅包络线的大体形状所作的估计.

Mode analysis response spectrum method and elasticity time-history method were used to calculate earthquake effect for three structures, and the result of time-history analysis adopt envelope of the maximum value.

对三种结构分别采用振型分解反应谱法和弹性时程分析法计算地震作用效应，时程分析结果取最大值的包络。