math_exp

小波变换去除基线漂移 小波变换去除基线漂移 小波变换去除基线漂移(Wavelet transform to remove baseline drift removal wavelet transform to remove baseline drift baseline drift)

用matlab仿真的灵巧噪声干扰，噪声干扰形式为线性调频信号卷积矩形脉冲串。(Smart noise simulation using matlab, noise in the form of a rectangular convolution chirp signal bursts.)

Software effort estimtion using fuzzylogic

该函数使用matlab对运动情况下的心电信号做快速傅里叶变换，并加汉宁窗函数进行滤波(The function uses Matlab ECG movement fast Fourier transform, Hanning window function filtering)

利用蚁群算法的改进算法实现图像分割，并与传统蚁群算法作比较(The improved ant colony algorithm is used to realize image segmentation and compared with the traditional ant colony algorithm.)

（1） 本系统用到四种神经网络对漏电嫌疑系数进行预测，分别是BP神经网络、RBF神经网络、GRNN神经网络、Elman神经网络，通过对神经网络结构参数的设置和调试，可以得到很好的预测效果，实际值和预测值之间的误差能达到5 以内。 （2） 本系统使用matlab做GUI界面，在界面上就可以分别对这四种神经网络的结构参数进行设置，从而可以调整神经网络的结构，达到较好的预测精度。 ((1) The system used four neural network to predict the suspected leakage coefficient, respectively, the BP neural network, RBF neural network, GRNN neural network, Elman neural network, the neural network structure parameter setting and commissioning, can get very good prediction, between the actual and predicted values ​ ​ of error of less than 5 . (2) the use matlab to do the GUI interface, the interface can each of these four neural network structure parameters set, the structure of the neural network, which can be adjusted to achieve better prediction accuracy.)

1了解离散余弦正变换和逆变换的原理； 2理解离散余弦变换系数的特点； 3了解离散余弦变换在图像数据压缩中的应用； 4通过本实验掌握利用MATLAB编程实现数字图像的余弦变换； (1 for the discrete cosine transform and inverse transform principle understand the characteristics of the discrete cosine transform coefficients 3 for discrete cosine transform image data compression 4 master using MATLAB programming for digital image cosine transform through this experiment )

平滑滤波器有中值滤波器和高斯低通滤波器，其中，中值滤波器对去除椒盐噪声特别有效，高斯低通滤波器对去除高斯噪声效果比较好。不同的滤波方式，在特定的图像处理应用中有着不同的效果和各自的优势(failed to translate)

针对机械优化设计的matlab优化M文件集,非常有用(For optimization of mechanical optimization design matlab M-file set, very useful)

共形阵列，球形阵列DOA估计，music算法，实用(Conformal array, sphere array DOA estimation, music algorithm, practical)