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matlab
- rgb在matlab中三个通道的子图显示,直方图 ,频谱图,高斯滤波后的图像显示(RGB in MATLAB, three channel subgraphs show histograms, spectrogram, and Gauss filtered image display)
Untitled
- 本文件可以处理声音信号 得到声音信号的频谱图 时域图 能量分析图(This document can process sound signals, get the spectrogram of sound signals, and analyze the energy diagram of time domain diagrams)
座头鲸叫声分析
- 取一段音频叫声,用stft画出其语谱图,stft按原理编,便于学习与理解(Take an audio call, using STFT to draw its spectrogram, STFT compiled according to the principle, easy to learn and understand)
频谱m程序
- 根据Quartus导出stp文件导出的txt数据,把txt文档里的无关内容删除,仅保留数据,可使用该m程序,轻松画出频谱图,作为开发人员的测试工具(Export the txt data derived from the STP file according to Quartus, delete the irrelevant content in the txt document, only retain the data, use the M program, and easily draw
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
sound_to_spectrogram2
- 从大文件下读取子文件夹里的声音,并转成语谱图,并保存在本地电脑上面(sound transfer spectrogram)
振动信号分析
- Signal fft transform, read the signal and fft transform, FFT transform shows the spectrogram to complete the extraction of the characteristic signal
FFT
- 快速傅里叶变换示例,修改波信号文件以及采样频率,就可得到波形与频谱图、相位图(Fast Fourier Transform example, modify the wave signal file and the sampling frequency, you can get the waveform and spectrogram, the phase map)
波谱.tar
- 波谱图,输入风级和频率可画出波谱图,很实用(摘)(The input frequency spectrum, wind speed and draw the spectrogram, very practical (Abstract))
audioprism-master
- 实现语谱图和频谱图分析,使用c++写的,是一份很好的wav分析代码(Realization of spectrogram and spectrum analysis)
语音
- 自编语谱图函数,可实现基本的spectrogram功能(Self compiled spectral function, which can implement basic spectrogram functions)
colea
- 用于对语音信号处理的matlab程序,可用于语谱图分析,共振峰分析等。(The matlab program for speech signal processing can be used for spectrogram analysis, formant analysis and so on.)
project1
- 可以对语音信号进行短时分析,语谱图的绘制(It can analyze the speech signal in short time and draw the spectrogram.)
matlab傅里叶变化性质验证
- 二维傅立叶变换的Matlab实现,是利用图像处理软件对给 出的图像进行傅立叶变换处理。 自行设计一幅图像,验证离散傅立叶变换的性质,如: 频谱图中高频分量迅速衰减,可分离性,平移,周期性与共 轭对称性,旋转、线性和比例性,平均值。(The Matlab implementation of two-dimensional Fu Liye transform is based on image processing software. The image is processed by Fu
itoolbox
- 协同区间偏最小二乘 siPLS算法是 N rgaard等对其提出 的 iPLS方法的改进, 其基本算法步骤如下:(1)对原始谱图进行 预处理;(2)在全谱范围内建立全局偏最小二乘模型, 即上节的 模型;(3)在整个光谱区间采用 iPLS建立多个等窗口宽度的子 区间, 假设为 n个;(4)在每个子区间上建立偏最小二乘法模型, 即可得到 n个局部模型;(5)以交叉验证时的均方根误差 RMSE 值为各模型的精度衡量标准, 比较全光谱模型和各局部模型的 精度;(6)组合精度最高的局部子区间
8个OFDM-Chirp波形的时频域图及自(互)模糊函数图
- 8个正交OFDM-Chirp分集波形的时域频域图,自模糊函数图和互模糊函数图,文件夹里面有说明文档及参考文献。(Eight orthogonal OFDM-Chirp diverse waveforms, with its time-domain plot and spectrogram, and self-ambiguity functions and cross-ambiguity functions. references are provided.)
matlab画语音语谱图
- 语谱图反映了语音信号的动态频谱特性,在语音分析中具有重要的实用价值,被称为可视语音。“yuputu”是用matlab完成语谱图的程序(Spectrogram reflects the dynamic spectrum characteristics of speech signals. It has important practical value in speech analysis and is called visual speech. "Yuputu" is a p
STFT
- 目前的代码是一个matlab函数,它提供给定信号x[n]的短时傅立叶变换(stft)。该函数是matlab命令“光谱图”的一个替代项。功能输出为: 1)一个具有复杂stft系数的矩阵,该矩阵具有跨列时间和跨行频率; 2)频率矢量; 3)时间矢量。 为了阐明函数的用法,给出了一个示例。为了方便起见,输入和输出参数在函数的开头给出。(The present code is a Matlab function that provides a Short-Time Fourier Transfor
Time-Frequency Toolbox
- Time Frequency Toolbox matlab时频分析工具箱,里面有各种时频分析函数,用matlab实现的,小波变换,Gabor变化,短时傅里叶变换等等(AF Ambiguity function AR Auto-regressive (filter or model) ASK Amplitude shift keyed signal BJD Born-Jordan distribution BPSK Binary phase shift keyed signal BUD