MFCC parameters is main describes the spectrum envelope features, which is used to state the vacal track characterizatics, while ignoring the impact of pitch frequency.
MFCC参数主要描述了表征声道特性的谱包络特征，而忽略了基音频率对它的影响。
This effect of envelope spectrum analysis applied to fault diagnosis of equipment parts damage is verified by the example of rolling bearing fault diagnosis.
通过对滚动轴承故障诊断的实例分析，验证了包络谱分析运用于诊断设备零件损伤故障所取得的效果。
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。
A time history is synthesized from this amplitude spectrum and a random phase spectrum, combined with an envelope function.
据此幅值谱和一个随机相位谱，并与一个时程包络函数结合，合成一个子震时程。
The reconstruction signals were demodulated with Hilbert transform, and envelope spectrum at each band was obtained.
利用希尔伯特变换解调分析各频带信号，得到对应频带信号的包络谱；
By means of Hilbert transform, the author obtains the signal envelope, and then calculates the demodulation spectrum.
首先利用希尔波特变换解调出信号包络，进而计算出解调谱；
Finally the failures are diagnosed by envelope spectrum analysis of the envelope signals.
再通过对振动包络信号进行频谱分析就可以对轴承的故障类型作出判定。
The sensitivity of the performance to the shape of the delay power spectrum, the shape of the envelope delay power spectrum, and the arrival rate of the paths is analyzed.
对延迟的外形的表现的敏感使光谱，信封延迟力气光谱的外形有力气，而且路径的抵达率被阐发。
Various examples of computation for the random envelope and its statistical characteristics, especially the envelope spectrum, are involved in many applied fields.
各种随机信号的包络的计算、统计特性和包络谱的计算已屡见于各方面的研究及应用领域。
MFCC can express speech spectrum more accurately at low frequency, so MFCC is a good method to express the spectral envelope in voice conversion;
MFCC可以更加准确地表示语音低频处的频谱包络，在语音转换中是一种很好的频谱包络表示方法；
An envelope order spectrum based on multi-scale chirplet and sparse signal decomposition was proposed and applied to the fault diagnosis of gearboxes with rotating speed fluctuation.
提出了基于线调频基稀疏信号分解的包络阶次谱方法，并将其应用于变速齿轮箱故障诊断之中。
In this thesis, based on LPC analysis, a method for calculating the spectrum converted system unit impulse function is proposed. So the spectral envelope is converted efficiently.
本文基于LPC分析，提出用反傅里叶变换的方法来求解频谱搬移后的系统单位冲激响应，以此来实现频谱包络的变换，并取得了较好的效果。
In this paper, based on LPC analysis, a method for calculating the spectrum converted system unit impulse function is proposed so as to convert the spectral envelope efficiently.
本文基于LPC分析，在求解频谱搬移后的系统单位冲激响应的基础上，提出求解频谱搬移后LPC系数的方法，以此来实现频谱包络的变换，取得较好的效果。
The continuous channel model is represented by the delay power spectrum and the discrete channel model by the envelope delay power spectrum and the arrival rate of the paths.
连续的频道模型被延迟力气光谱和不连续的频道表现模型被途径的信封延迟力气光谱和抵达率。
This paper introduces an objective way to evaluate the quality of digital voice by means of LPC logarithmic inverted spectrum-envelope offset and artificial composite voice signal;
介绍了一种利用LPC对数倒频谱包络偏离量和人工合成语音信号对数字语音质量进行客观评价的方法；
This paper introduces an objective way to evaluate the quality of digital voice by means of LPC logarithmic inverted spectrum-envelope offset and artificial composite voice signal;
介绍了一种利用LPC对数倒频谱包络偏离量和人工合成语音信号对数字语音质量进行客观评价的方法；
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