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solve power flows by gauss seidel method ans newton Rapson

TTL(transistor transistor logic) & diode logics

幅相误差下的doa估计，本人编写，绝对可用(Amplitude and phase error estimates under the doa, I write, absolutely free)

用小波变换处理并分析成人心电信号，包含matlab实现程序(ECG analysis)

说明：  采用小波对信号分解和去噪。分解层数和使用的小波可以自己定义然后阈值去噪(Wavelet is used to decompose and denoise signals. The decomposition level and the use of wavelet can be defined by itself and then threshold denoising)

PWM 整流器仿真模型４　　有一定代表性(ＰＷＭ)

blurring and flat region filtering and noisy image

说明：  ：简述了数字图像处理、MATLAB软件及两者之间的关系，针对数字图像处理技术的特点及MATLAB语言的应用环 境，选择二雏离散傅里叶变换线性性质的MATLAB实现和直方图均衡化的MATLAB实现作为数字图像处理课程的入门实 验，实现了数字图像处理与MATLAB之间的有机结合。(: A brief review of digital image processing, MATLAB software and the relationship between the two for digital image processing technology, features and application environment MATLAB language, choose the two underage Discrete Fourier Transform Linear nature of MATLAB implementation and histogram equalization The MATLAB implementation of digital image processing program as the entry test to achieve a digital image processing and the organic integration between MATLAB.)

利用matlab的gui设计的带有输入和输出功能的界面图形，实现等距线可视性很强，自己独立编写的数据和图形，学习非常值得,实现pca svm压缩图像，matlab语言(Using GUI of MATLAB to design interface graphics with input and output functions, realizing the visibility of isometric line is very strong, the data and graphics written independently by oneself are very worthwhile to learn, and realizing PCA SVM compressed image, MATLAB language)

B-spline曲线、曲面的插值和逼近算法以及B-spline曲线、曲面的显示。代码是matlab格式的。(B-spline curve, surface interpolation and approximation algorithm, as well as B-spline curve, surface display. Code matlab format.)