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信号处理实验室
- “信号处理实验室”是由NI开发,针对信号处理、信号与系统、通讯原理等课程量身订做的课程套件,其中包括了卷积、混叠、窗函数分析、栅栏效应、IIR、FIR、AM/FM调制、倒谱等等50多个从基础到高级的信号处理知识点的演示程序。有助于教学演示使用,帮助学生理解。(The signal processing laboratory was developed by NI, according to the course of signal processing, signal and system, c
nytqn
- Consider shadow rain attenuation and multipath effects Add noise processing, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc.
qgupf
- Complete HMM-based speech recognition system, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Calculate the maximum eigenvalue judgment matrix of AHP.
matlab
- 语音信号的短时分析,主要包括:分帧、短时能量、短时平均幅度、短时过零率、短时自相关函数、短时幅度差、倒谱、复倒谱、lpc系数、lpc谱估计等(The short-time analysis of speech signal mainly includes: frame, short-time energy, short time average amplitude, short-time zero crossing rate, short-time autocorrelation functio
hj462
- Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Based chebyshev underwater acoustic signal analysis, Use matlab intelligent predictive control algorithm.
gpvxv
- Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Some adaptive signal processing algorithms, Mainly for data analysis and statistics.
ban_ak38
- Use of natural gradient algorithm, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Contains a common array signal processing algorithm.
xjyst
- A one-dimensional transfer matrix method to calculate the phonon crystal structure, There are cycle detection, periodic testing, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc.
tn337
- Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Interpolation and fitting matlab implementation, Multirate signal processing.
1155
- Including stochastic gradient algorithm, the relative gradient algorithm, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. To achieve the recognition of 10 digital sound.
YCL
- 对信号进行梅尔倒谱系数特征采集之前的预处理,包括分帧加窗、基于短时能量的双门限判别、除噪、预加重等(The preprocessing of Mel cepstrum coefficients before the signal is carried out, including frame windowing, double threshold discrimination based on short-time energy, denoising and pre emphasis)
107551700第三次作业
- 根据短时傅里叶变换原理,计算并显示该语音段的短时幅度谱和功率谱;根据语谱图显示原理,编程实现该语音段语谱图的计算和显示,并尽量多地分析出语谱图包含的语音特征信息,用MATLAB提供的倒谱计算函数,显示该语音段的复倒谱和倒谱(According to the principle of short-term Fourier transform, the short range spectrum and power spectrum of the speech segment are calculat
倒频谱
- 用于齿轮信号的倒频谱分析,程序是通的,只需修改数据文件就可以。(Cepstrum analysis for gear signal,it is through,only the data files can be modified.)
MFCC
- 利用梅爾倒頻譜演算法,計算語音訊號的特徵值。裡面有DCT與三角帶通。(The Mel Cepstrum algorithm is used to calculate the eigenvalues of speech signals. There are DCT and V-belt.)
MFCC0
- 关于语音特征的提取,MFCC梅尔倒谱系数,挺有效的。。。。(Speech feature extraction, MFCC Mel cepstrum coefficient)
倒谱
- 对直扩信号采用倒谱法进行功率谱分析,检测高端周期脉冲谱线(Cepstrum signal power spectrum analysis using cepstrum method, detection of high-end periodic pulse line)
Cepstrum
- matlab code for scattering and calculation
语音聚类示例
- 实验示例是基于语音中的mfcc,语音倒谱特征来进行聚类,先利用训练样本来计算训练样本聚类中心(用到了lbg算法),之后再进行分类。 注意:使用代码时需要自己更改文件路径。(This example is based on the MFCC in speech and the feature of speech Cepstrum to cluster. First, the training sample is used to calculate the training sample clus
spider
- 网络爬虫(又被称为网页蜘蛛,网络机器人,在FOAF社区中间,更经常的称为网页追逐者),是一种按照一定的规则,自动地抓取万维网信息的程序或者脚本。另外一些不常使用的名字还有蚂蚁、自动索引、模拟程序或者蠕虫。(Cepstrum image generation and analysis, can be used for motion-blurred image PSF parameter estimation)
LPCC
- 线性预测倒谱系数(Linear Prediction Cepstrum Coefficient,LPCC)是线性预测系数(Linear Prediction Coefficient,LPC)在倒谱域中的表示。该特征是基于语音信号为自回归信号的值设,利用线性预测分析获得倒谱系数。(Linear Prediction Cepstrum Coefficient)