搜索资源列表
DIT_FFT
- 快速傅里叶变换FFT通用matlab源程序,众所周知，matlab工具箱里的fft函数是内置的，我们无法看到其源代码，为了学习交流方便，特帖出本人以前用matlab语言写的fft通用matlab源程序，以供初学者学习参考之用！-FFT fast Fourier transform common Matlab source, as we all know, the Matlab toolbox fft function is built-in, we can not see the source
tool1
- matlab中短时傅里叶变换时频分析工具箱-Matlab were short time Fourier transform time-frequency analysis toolbox
tool2
- matlab短时傅里叶变换时频分析工具箱2-Matlab short time Fourier transform time-frequency analysis Toolbox 2
jianluoshengtezheng
- Matlab仿真物体入水产生的溅落声信号，并对信号进行短时傅里叶变换。-Matlab simulation objects splash into the water generated sound signals, and short time Fourier transform signal.
daopufenxi
- 倒谱分析 倒谱分析是指信号短时振幅谱的对数傅里叶反 变换。它具有可近似地分离并提取出频谱包络信息 和细微结构信息的特点-Cepstrum analysis cepstrum analysis is the signal amplitude spectrum on the number of short-time Fourier inverse transform. It has can be approximately isolated and extracted spectral en
cconv
- 用matlab实现了对于离散傅里叶变换求其循环卷积-Achieved with matlab discrete Fourier transform for the cyclic convolution
emd-matlab
- emd算法matlab程序 经验模态分解（Empirical Mode Decomposition, EMD）是将信号分解成本质模态函数（intrinsic mode functions, IMF）的组合。该方法被认为是继傅里叶变换之后又一划时代意义的处理方法。-emd matlab Mode Decomposition Empirical (EMD) is a combination of mode functions intrinsic (IMF).. This method is con
MATLAB-fiter
- MATLAB中一些实用的小例题程序，这个是傅里叶变换的代码-MATLAB some practical small example program, this is the code of Fourier transform
frft_frank
- FRANK多相码信号的分数阶傅里叶变换matlab程序，写识别小论文时自己编写的-Frank frft
t_f_P2
- P2多相码信号的短时傅里叶变换matlab程序，写低截获信号识别小论文时自己编写的，望批评指正-P2 stft
lab5
- matlab对持续音和时变音的频谱分析，快速傅里叶变换-matlab spectrum when continuous tone accented analysis, fast Fourier transform
examplecode
- 一些信号处理的基本代码，包括傅里叶变换等等(Some basic signal processing code, including Fourier transform, and so on)
画包络谱和幅值谱的matlab程序
- 基于傅里叶变换，实现了包络谱和幅值谱分析。(Based on Fourier transform, envelope spectrum and amplitude spectrum analysis are realized.)
FM demoudulation
- 对调频的时域信号解调，首先差分再希尔伯特变换，对得到的值快速傅里叶变换。(frequency modulated signal demodulation,include difference,Hilbert transform and FFT)
shiyan
- matlab实验，离散傅里叶变换性质，滤波器设计(Matlab experiment, discrete Fourier transform properties, filter design)
语音处理的一种实现
- 对语言信号进行分析，包括傅里叶变换，峰值查找(kind of voice data analysis,including fuliya transformation and finding the biggest point)
语音信号处理实验
- 对语音信号处理的基本操作，求功率谱 短时过零 短时傅里叶变换 分帧 加窗等等(The basic processing of speech signal with MATLAB)
IIR一阶低通滤波器
- matlab实现带通滤波，傅里叶变换，得到频域信号，带桶处理(Achieve band pass filter, Fourier transform, get frequency domain signal, with bucket processing.)
利用傅里叶变换和包络谱对轴承异响的分析
- 利用轴承声音信号做频谱分析和包络谱分析。(using voice of bearing vibration for FFT and hilbert FFT)
lfm
- 生成一个线性调频信号起始频率20mhz到60mhz'带宽为40mhz'的lfm 并进行短时傅里叶变换(Generate a LFM with a starting frequency of 20 MHz to 60 mhz'bandwidth of 40 mhz' for LFM signal Short-time Fourier transform is performed.)