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cwt
- 小波变换例子--f(t)=sin(2π×500t)+sin(2π×1000t)+1.5δ(t-165)+1.5δ(t-207)的小波变换
ppanalysis
- 功率谱分析，用于序列的周期识别。将一序列用不同周期的谐波分解,并用F检验进行周期检验。-Power spectrum analysis for identification of sequence cycles. One sequence will be different harmonic decomposition cycle and test cycle with F test.
dt-dwt_F
- 双树复数小波变换的Matlab程序的F部分，全部解压到同一个文件夹下后可直接调用函数-Dual-Tree Complex Wavelet Transform Matlab for the F part of the procedure, all extract to the same folder can be a direct call function
Fouriertransform
- 用振幅为0.8的方波进行傅立叶分析，并用分析得到的系数求解当K取不同值时的合成信号- F = FOURIER(f) is the Fourier transform of the sym scalar f with default independent variable x. The default return is a function of w. This example is useful for the persons who learn sth about signal pr
Matlabwaveenergy
- 对信号f(x)进行三层小波变换，得到小波系数d1,d2,d3和逼近系数a3，我想求出各个频率段的能量（能量=小波系数的平方和），很不错的应用程序-The signal f (x) for three wavelet transform, wavelet coefficients d1, d2, d3 and approximation coefficients a3, I would like to find the energy of each frequency band (energy =
cdpei
- 计算分数阶傅里叶变换，为一维的。是Pei/Yeh/Tseng的源码。-Compute discrete fractional Fourier transform of order a of vector f according to Pei/Yeh/Tseng
CurvatureEstimation
- This function calculates the curvature of a 2D line. Reference￡oS. Hermann and R. Klette. Multigrid analysis of curvature estimators. Proc. Image Vision Computing New Zealand, 108¨C112, 2003. by Jianfei Pang k = CurvatureEstimation(list
Discrete-Time-Fourier-Transform
- Discrete Time Fourier Transform f(t) to F(w)-Discrete Time Fourier Transform f(t) to F(w)
MATLAB--example3
- 02 正弦信号的叠加合成；合成f 50Hz，幅值为3的方波- 02 sine signal synthesis Synthesis of f 50 hz, square wave amplitude is 3
FK_Transform
- 实现f-k变换，功能强大，各种滤波处理，地震波等都能用(wavelet transformF -k transform, powerful, a variety of filtering, seismic waves can be used)