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说明：  PSO算法和BP神经网络都是现在非常热门的两个算法，在各自的领域都担当着至关重要的作用，通过MATLAB实现pso优化bp中以发挥其最大优势(PSO algorithm and BP neural network are two very popular algorithms, which play an important role in their respective fields. Through MATLAB, PSO optimizes BP to give full play to its greatest advantage)

数字图像处理方面，利用HOUGH变换检测图像中的直线，中间设计多方面有加噪声也有滤波。(Digital image processing, use HOUGH transform to detect straight lines in an image, there are many middle-plus-noise design also has filtering.)

Program related to modulation and convolution

voltage flicker estimation using ESPRIT

关于卡尔曼滤波的信道估计的代码 可以参考一下(About Kalman filter channel estimation codes)

小波包分析提取振动信号中的特征频率，对于初学者具有参考意义，有信道编码，调制，信道估计等。( Wavelet packet analysis to extract vibration signal characteristic frequency, For beginners with a reference value, Channel coding, modulation, channel estimation.)

语音信号的数字滤波——IIR数字滤波器的双线性变换法设计(Speech signal digital filter-- IIR digital filter bilinear transform design)

该算法可以直接实现，程序不需要修改且有详细的程序解释(The algorithm can directly implement the program and there is no need to modify the procedure explained in detail)

本段代码实现了手动选点的matlab配准，在此代码中只选择了3对控制点，同时从结果可以看出手动选点配准的不精确性，为自动选点配准算法的提出提供了实验依据(This code implements manually selected point matlab registration, in this code to select only the three pairs of control points, and the results can be seen from the point of registration manually selected imprecision, with the choice of site for the proposed automatic registration algorithm provide an experimental basis)