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一个指纹识别系统，用于提取指纹的特征。采用Matlab编译。包括若干测试图片。(A fingerprint identification system used to extract the fingerprint features. Compiled using Matlab. Including a number of test images.)

说明：  通过时域转换为频域，在频域中截取低频部分，去掉高频部分将结果再转换到时域以实现低通滤波的功能。(Through the time domain is converted to frequency domain, in the frequency domain low-frequency part of the interception, to remove high-frequency part of the results and then switch to the time domain in order to achieve low-pass filter function.)

基于二维图像进行三维重建效果还可以，经测试误差较大(Two dimensional image reconstruction effect is also can be based on, after testing error)

连续相位信号调制解调，CPM全响应信号调制解调( Continuous phase signal modulation and demodulation, CPM full response signal modulation and demodulation)

粒子散射光强的计算，可算粒子各个散射角的光强分布及其相位(The calculation of particle scattering intensity, scattering angle of each particle can be considered the light intensity distribution and phase)

编写的有关规划问题的函数，初学者可以参考！！！！(Planning)

MATLAB程序设计之无约束最优化算法.MATLAB programming algorithm for unconstrained optimization.(MATLAB program designed for unconstrained optimization. MATLAB programming algorithm for unconstrained optimization.)

计算网络优化技术中的最小费用最大流问题。(Computing network optimization technology minimum cost maximum flow problem.)

仿真FBG传输特性，共三个函数，利用光纤的传数矩阵和耦合模理论，可在main函数中修改参数(Simulation FBG transmission characteristics of the three functions, the use of optical fiber transmission matrix and coupled-mode theory, the parameters can be modified in the main function)

JAC—blackman 算法历程，通过这个算法可以对正弦信号频率进行精细估计(Quinn algorithm course, you can fine sinusoidal signal frequency estimation by this algorithm)