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emd
- 这是emd程序源码，里面已经对边缘效应进行了处理。可以用来处理非平稳信号-This is the EMD program source, which has been on the edge effects have been dealt with. Can be used to handle non-stationary signal
main2
- 本程序完成地震信号的提取检测。以往都是利用地震信号的能量比，此处创新选择地震信号的过零点作为边缘提取的判断。新方法效果不错。-The process is complete extraction of seismic signal detection. Past, the energy ratio of seismic signal, where innovation and choice as the seismic signal zero-crossing edge detection ju
code
- 应用压缩传感技术实现信号的复原，且里面含有一个应用小波实现的边缘提取，效果不错-Application of compressed sensing technology to achieve signal recovery, and it contains an application of wavelet edge detection to achieve good results
image
- NSD检测边缘算子，可用于一维信号二维图像，检测阶跃边缘-NSD edge detection operator, the signal can be used for one-dimensional two-dimensional image, the edge detection step
wavelet
- 小波分析因其在处理非平稳信号中的独特优势而成为信号处理中的一个重要研究方向。如今随着小波理论体系的不断完善，小波以其时频局部化特性与多尺度特性在图像边缘检测领域中倍受青睐。-Wavelet analysis of nonstationary signal processing because of its unique advantage in signal processing and become an important research direction in. Now with th
fenshujie
- ，对掌纹图像去噪主要采用低通滤波方法或邻域平均滤波方法，这两种方法可以有效地抑制噪声，但同时也滤除了一些边缘信息，而且还会发生一定程度的边缘模糊现象。因此这两种方法适合于提取掌纹中的主线（掌纹中最粗最长的若干条）特征，而不适合于需要保留更多边缘信息的特征提取。小波变换是目前比较流行的一种信号处理方法。-Palmprint image denoising using low-pass filtering method or the neighborhood average filter metho
homework3
- 提出同一组数字低通技术指标；分别设计成IIR,FIR滤波器，输入同样信号进行滤波； 从滤波器输出的时域和频域、滤波器的阶次等比较两种滤波器。 通带边缘频率200Hz，阻带边缘频率300Hz,阻带衰减40dB,采样频率1kHz。-IIR FIR design using matlab
pws
- 这是一个function，用于信号处理中进行自谱，消除了边缘效应-Self-spectrum signal processing, eliminating edge effect
RF
- 递归滤波(RF):对于离散信号,不能保护边缘的滤波器可以使用如下的一阶递归滤波器完成.该滤波器对指数衰减有无限脉冲响应-Recursive filtering (RF): For discrete signals, filters can not be used to protect the edge of a first-order recursive filter following the completion of the exponential decay of the filter
EEMD
- EEMD函数代码，对信号进行自适应分解，通过多次加入噪声减少EMD边缘效应，提高分解效果(EEMD function code, adaptive decomposition of the signal, by adding noise several times to reduce the EMD edge effect, improve the decomposition effect)