预处理后将得到一幅宽度为一个像素的细化二值图像，然后通过特定的端点和交叉点的特征进行指纹匹配。论文中采用MATLAB编程实现全部算法。-After pretreatment of a width of one pixel to obtain a binary image thinning, and through specific endpoint and the intersection of the characteristics of the fingerprint matching. T

可以画出给定一组数据的包络谱和幅值，非常实用，直接导入matlab中即可使用-Can draw the envelope spectrum and amplitude of a given a set of data, very practical, direct import of matlab can be used

一个对数据进行频域分析的MATLAB程序，可以输出谐波幅值和相角-One pair of data in the frequency domain analysis of MATLAB program that can output harmonic amplitude and phase angle

matlab频谱三维图，时间频率幅值。频谱分析三维图，计算机绘制的三维频谱以频率为横坐标，以振幅为纵坐标，以时间为斜轴，在视觉上是一种立体频谱。-Matlab three dimensional spectrum diagram, time frequency amplitude. Spectrum analysis of three-dimensional map, 3D computer generated by frequency spectrum as the abscissa, the