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基于GMM的说话人识别
语音识别是近年来发展非常迅速的一项计算机智能技术，广泛应用在语音控制、身份识别等多个领域。本次项目主要研究语音识别的预处理过程和特征参数的提取环节。通过对原始语音信号进行预加重和分帧、加窗，滤除低频干扰，提升对语音识别有用的部分，消除了部分噪音和失真。预处理之后进行信号的特征提取，主要选取了短时平均过零率和MFCC两个特征参数，应用matlab软件绘制波形图并提取特征参数矩阵，为之后的语音信号的识别打下了基础。(Speech recognition is a computer intelligent technology which has developed rapidly in recent years. It is widely used in speech control, identity recognition and other fields. This project mainly studies the pretreatment of speech recognition and the extraction of feature parameters. Through pre-emphasis, framing and windowing of the original speech signal, the low frequency interference is filtered out, the useful part of speech recognition is enhanced, and some noise and distortion are eliminated. After pretreatment, feature extraction of signal is carried out. Two feature parameters, short-term average zero-crossing rate and MFCC, are selected. Waveform diagram is drawn by MATLAB software and feature parameter matrix is extracted, which lays a foundation for speech signal recognition.)
- 2019-04-06 10:53:48下载
- 积分：1
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OFDM
ofdm matlab 仿真程序及原理分析(ofdm matlab simulation)
- 2011-06-12 16:30:33下载
- 积分：1
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svpwm
本实例主要是MATLAB搭建的spwm模块 通过仿真 我们可以很清晰的看到该模块能将输入的正弦波和固定频率的三角载波进行比较 输出spwm波 结构简单 易于理解(this model mainly about the spwm generation.we can clearly see the spwm wave from the output and drive the IGBT.)
- 2014-09-16 09:33:53下载
- 积分：1
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Fisher字典学习
基于稀疏表示的高光谱图像分类的Fisher字典学习方法matlab代码(Hypersynthetic image classification based on sparse representation in Fisher dictionary learning matlab code.)
- 2018-03-22 18:29:23下载
- 积分：1
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matlab
一些基于matlab的遗传算法程序,非常经典(Matlab-based genetic algorithm procedure)
- 2009-04-01 14:40:23下载
- 积分：1
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MIMO
MIMO移动通信系统中功率控制方法的研究(mimo)
- 2009-07-16 17:45:00下载
- 积分：1
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svm_matlab_zhao
说明： Matlab下面的支持向量机的程序包。。应用范围很广(Matlab following SVM package. . Application very wide scope. .)
- 2006-02-02 22:43:59下载
- 积分：1
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l1magic
说明： 基于内点法的解l2_l1和l2_TV优化问题的matlab代码(Interior point method based on the solution l2_l1 and optimization problems l2_TV code matlab)
- 2008-11-20 20:02:52下载
- 积分：1
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GrayShow
快速ICA算法，用于盲信号处理，提取信号的独立分量，用于图象识别等(fast algorithm for blind signal processing, signal extraction of independent component for image recognition, etc.)
- 2007-04-16 09:21:26下载
- 积分：1
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rir
matlab code for room impulse response
- 2011-09-20 07:24:41下载
- 积分：1
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