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倒谱分析与MFCC系数

于 2018-07-14 发布文件大小:27KB

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代码说明：

进行倒谱分析与系数MFCC提取的matlab程序(Matlab program for cepstrum analysis and coefficient MFCC extraction)

文件列表：

3.4 倒谱分析与MFCC系数, 0 , 2016-03-17
3.4 倒谱分析与MFCC系数\bark2frq.m, 4470 , 2010-01-09
3.4 倒谱分析与MFCC系数\C3_4_y_1.m, 929 , 2016-03-17
3.4 倒谱分析与MFCC系数\C3_4_y_1.wav, 20044 , 2014-12-13
3.4 倒谱分析与MFCC系数\C3_4_y_2.m, 879 , 2016-03-17
3.4 倒谱分析与MFCC系数\C3_4_y_3.m, 550 , 2016-03-17
3.4 倒谱分析与MFCC系数\C3_4_y_4.m, 999 , 2016-03-17
3.4 倒谱分析与MFCC系数\C3_4_y_4.wav, 4044 , 2013-01-26
3.4 倒谱分析与MFCC系数\enframe.m, 819 , 2014-12-12
3.4 倒谱分析与MFCC系数\erb2frq.m, 2738 , 2010-07-29
3.4 倒谱分析与MFCC系数\FrameTimeC.m, 136 , 2014-12-12
3.4 倒谱分析与MFCC系数\frq2bark.m, 5870 , 2010-01-09
3.4 倒谱分析与MFCC系数\frq2erb.m, 2685 , 2010-07-29
3.4 倒谱分析与MFCC系数\frq2mel.m, 2535 , 2010-08-02
3.4 倒谱分析与MFCC系数\mel2frq.m, 2525 , 2010-08-02
3.4 倒谱分析与MFCC系数\melbankm.m, 11383 , 2010-01-03
3.4 倒谱分析与MFCC系数\mel_dist.m, 512 , 2013-10-22
3.4 倒谱分析与MFCC系数\Nmfcc.m, 1247 , 2016-03-17
3.4 倒谱分析与MFCC系数\Nrceps.m, 96 , 2016-03-17

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tiqu
说明：提取信号七个基于瞬时信息的特征：零中心归一化瞬时幅度功率谱密度的最大值,零中心归一化瞬时幅度绝对值的标准偏差，零中心非弱信号段瞬时相位非线性分量绝对值标准偏差，零中心非弱信号段瞬时相位非线性分量标准偏差，零中心归一化的非弱信号段瞬时频率绝对值的标准偏差，一个信号段的归一化瞬时频率功率谱密度的最大值，根据信号 QPSK 和16QAM在 XI 轴投影的不同表现，提出特征参数。(Extraction based on instantaneous information signal of seven characteristics: zero center normalized instantaneous amplitude of the maximum power spectral density, zero-center normalized standard deviation of the instantaneous rate of absolute zero center section of non-weak signal instantaneous phase nonlinear component absolute value of standard deviation, non-zero center section of the weak signal non-linear component of the standard deviation of the instantaneous phase, zero-center non-normalized absolute value of the weak signal section of the standard deviation of the instantaneous frequency of a signal segment of the normalized power spectral density of instantaneous frequency maximum, according to the signal QPSK and 16QAM in the XI-axis projection of the different performance of the proposed characteristic parameters.)

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