搜索资源列表
Matlab
- 语音端点检测基于短时能量的Matlab程序-Speech endpoint detection based on short-time energy of the Matlab program
FT
- 资源中包括chirp信号的时频域幅度谱和相位谱、短时傅里叶变换源码（加不同窗函数）、小波变换源码。
分帧函数、短时傅立叶变换函数
- 包含分帧函数以及短时傅立叶变换函数，即将采集到的信号进行分帧处理，并进行短时傅立叶变换(Including the fr a me function and the short-time Fu Liye transform function, the collected signals are processed by fr a me processing, and the short-time Fu Liye transform is
GIS_stft
- 利用工具箱实现短时傅里叶变换，并画出等高线图(program for short time Fourier transform using toolbox)
声音解析matlab
- 对非平稳信号进行分段、截取，再做短时傅里叶变换，分析其频谱特性，并找到各个时间节点的频率特性，以便分析不同事件段内的声音特征。(The non-stationary signals are segmented and intercepted, and then the short-time Fourier transform is used to analyze their frequency spectrum characterist
STFFTtool1
- 对非平稳信号进行分段、截取，再对处理过后的短时信号做短时傅里叶变换，分析其频谱特性，并找到各个时间节点的频率特性，以便分析不同事件段内的声音特征。(The nonstationary signals are segmented, and then the interception, the short-time signal after processing the short-time Fourier transform, the a
STFFTtool2
- 对非平稳信号进行分段、截取，再对处理过后的短时信号做短时傅里叶变换，分析其频谱特性，并找到各个时间节点的频率特性，以便分析不同事件段内的声音特征，达到区分不同声音的目的。(The nonstationary signals are segmented, and then the interception, the short-time signal after processing the short-time Fourier tran
STFFTtool3
- 对非平稳信号进行分段、截取，再对处理过后的短时信号做短时傅里叶变换，分析其频谱特性，并找到各个时间节点的频率特性，以便分析不同事件段内的声音特征，一图像的形式表达出，最终达到区分不同声音的目的。(The nonstationary signals are segmented, and then the interception, the short-time signal after processing the short-time
keypoint
- 对非平稳信号进行分段、截取，再对处理过后的短时信号做短时傅里叶变换，分析其频谱特性，并找到各个时间节点的频率特性，以便分析不同事件段内的声音特征，以图像的形式表达出，最终达到区分不同声音的目的。(The nonstationary signals are segmented, and then the interception, the short-time signal after processing the short-time
STFT
- 数字信号处理中的短时傅里叶变换程序，窗函数长度20， 默认为矩形窗，截取时间间隔 <=Nw/2。适用于时频分析(The present code is sample,you can buy a digital signal processing book that published on Xi'an University of Electronic Science and Technology publisher.)
hunhe2
- 对吉他的单音进行短时傅里叶变换 选取主音旋律(The guitar tone of the short time Fourier transform from the melody)
语音短时能量、平均幅度、平均过零率
- 语音信号MATLAB特征获取，包括语音短时能量、平均幅度、平均过零率(Speech signal MATLAB feature acquisition, including voice short-term energy, average amplitude, average zero crossing rate)
STFT
- MATLAB实现短时傅里叶变换，短时傅里叶逆变换。直接配置好参数就可以用，实用性强。(MATLAB implementation of short time Fourier transform, short time Fourier inverse transform. Direct configuration of parameters can be used, practically.)
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: fr a me, short-time energy, short time average amplitude, short-time zero crossing rate, sh
short enery
- 在窗长为80和160个样点的情况下，分别采用矩形窗和哈明窗编程计算该段语音信号的短时平均能量，绘出短时平均能量曲线，并进行观察和比较(the window length is 80 and 160 sample points, short time average energy respectively using rectangular window and Hamming window programming calculation
stft
- 信号处理中短时傅里叶变换（STFT）的实现，可用于实时系统，实时语音处理或者分段的FFT计算，亲测可用，拿走不谢！(The implementation of short time Fourier transform (STFT) in signal processing can be used for real-time system, real-time speech processing or segmented FFT calc
上传程序
- buffer滤波器的设计，语音分帧 ，短时傅立叶变换的程序(buffer filter design and Speech sub-fr a me)
stft
- 可对数据进行短时傅里叶变换及相应两篇参考文献(short-time fourier transform)
短时傅里叶变换
- 对信号进行短时傅里叶变换，可以方便的调节各种短时傅里叶变换的影响因素。(The short time Fourier transform of the signal can easily adjust the influence factors of the short time Fourier transform.)
Desktop
- 小波降噪、时频分析等方法，系统地研究航天电子设备多余物噪声检测过程中各操作变量和微粒物理参数对声波频谱的影响。通过单因素试验，详细分析了微粒粒径、振动力学条件中加速度和频率等3因素对声音信号频谱分布的影响规律，比较了短时傅里叶变换和小波变换的特点。该结果为进一步识别多余物微粒的参数提供了指导依据(the complexity of the material interaction and the properties of the pa