搜索资源列表
FIR
- 数字信号处理基于matlab 文件内容 /conv(卷积部分) dupconv 重叠保留法 freqcirconv 频域圆周卷积 freqconv 频域卷积 timecirconv 时域圆周卷积 timeconv 时域卷积 /fft(频域分析部分) d2fft 基2FFT dft DFT最简化程序 dtft DTFT演示 /fir(fir滤波器设计) fir 得到fir滤波器hn getwindow 得到fir
TransformShow
- 在对图像处理时，常常需要将其从空域变换到频域，这些代码就是对位图进行DFT、FFT,DCT等变换的。-In image processing, it is often necessary to transform it from the airspace to the frequency domain, the code is for bitmap to DFT, FFT, DCT transform and so on.
FUSE
- 做图像融合演示时写的一组代码，包含以下功能：频域滤波去除图像斜纹、简单的加权融合、小波融合、伪彩色融合。并可以将融合后的四种图像拼在一张图中进行对比-Write a set of code to do image fusion demonstration includes the following features: frequency-domain filtering to remove images twill, a simple weighted fusion, wavelet fusi
plot_3d
- 经过EMD分解后时频分析的三维时频谱图，可直接调用-EMD of three-dimensional time frequency spectrum diagram, which can be directly called.
OFDM
- OFDM完美出图，信噪比，16QAM星座图，加窗信号时域和频域波形图-Perfect figure, OFDM SNR, 16 qam constellation diagram, add window signal time domain and frequency domain waveform figure
STFT
- 短时傅里叶变换的例子，运行处信号图和三维时频分析图-Examples of short-time Fourier transform, while running at a frequency signal and three-dimensional analysis chart
voicebox
- 汉语声韵母波形分析处理的工具箱，能够得到声韵母的时频分析波形图，voicebox,实现语音处理的各种功能的matlab程序-Han voice waveform analysis toolbox finals and get the finals of the time-frequency analysis of waveform diagram, voicebox, realize the functions of speech processing
小波变换
- 小波时频图 cwt连续小波变换 Matlab Wavelet 工具箱的使用(Wavelet time-frequency diagram, CWT continuous wavelet transform, Matlab Wavelet toolbox)
matlab小波分解时频分析
- 传统的傅立叶变化只能分析时域、频域图，而小波变化能进行时频分析，对信号进行更好的处理。(The traditional Fourier transform can only analyze the time domain and frequency domain diagram, while the wavelet transform can carry on the time-frequency analysis and better deal with the signal.)
add_noise_pinyutu
- 进行纯净信号和加噪信号的时频域显示，及其包络图显示，并计算加噪信号的信噪比、互相关系数、峭度值，对信号进行离散余弦变换。(The time-frequency domain display of pure signal and noise-added signal and its envelope diagram display are carried out, and the signal-to-noise ratio, correlation coefficient and kurtosis
Untitled_jian
- 对信号数字文件进行时频图绘制并进行非线性分析(The time, frequency-domain graph of signal digital file is drawn and non - linear analysis is performed)
声发射数据处理matlab
- 本程序为傅里叶变换，给定初始时域波形，可得到对应频域波形。可出图(The program is Fourier transform. Given the initial time-domain waveform, the corresponding frequency-domain waveform can be obtained. Drawing out)
傅里叶变换
- 傅里叶变换，时域和频域图同时，简介方便，可以自行修改采样频率(Fourier transform, time domain and frequency domain graph simultaneously)
homework_3rd_question
- 道床加速度时程曲线。功率谱密度函数 图。1/3倍频程Z振级频谱图。道床Z振级VLz（dB）。(Acceleration time history curve of ballast. Power spectral density function. Frequency spectrum of 1 / 3 octave Z vibration level. Ballast Z vibration level vlz (DB).)