ch3

说明：  本程序实现了线性正抛物Radon 变换，反抛物Radon 变换，并附带有详细的注释。(this program is compiled in matlab used for computed tomography.it realize the reconstruction from origin image.)

一个瑞利衰落信道容量的测试模型，包括两个m文件和一个说明文档。(A Rayleigh fading channel capacity of the test model, including a description of two m files and documents.)

通信仿真中用于抑制峰值畸变，本算法是基于nyquist算法的改进，效率增高(Communication simulation is used to suppress the peak distortion, the algorithm is based on Nyquist algorithm improvements, increased efficiency)

可以动态调节运行环境的参数，一个计算声子晶体结构的一维传递矩阵法,有信道编码，调制，信道估计等。( Can dynamically adjust the parameters of the operating environment, A one-dimensional transfer matrix method to calculate the phonon crystal structure, Channel coding, modulation, channel estimation.)

说明：  通过实际采集到的数据，数显通过数据预处理，进行不良数据的清洗，然后通过PCA降维，k均值聚类提取运动学片段，建立运动学片段库，通过随机策略提取运动学片段构成汽车行驶工况。(Through the actual collected data, the digital display cleans the bad data through data pretreatment, and then extracts the kinematics fragments through PCA dimensionality reduction, K-means clustering, establishes the kinematics fragments library, and extracts the kinematics fragments through random strategy to form the driving conditions of the vehicle.)

modeling induction motor. very easy to use

利用MATLAB计算图像盒维数的M文件。自己定参数。(Image box dimension calculation)

该算法可以计算含DG的配电网优化计算，算例采用IEEE 33 bus test system。(Our algorithm package can solve the distribution active power optimization with the consideration of distributed generation (DG). The test case is based on IEEE 33 bus test base. Enjoy it. )

本程序用于进行平板裂纹扩展，模拟，分析，平板内气孔夹杂的分析，使用的方法为扩展有限元法（XFEM）,程序语言为MATLAB.(This procedure is used for the analysis of plate crack propagation, simulation, and analysis of void inclusion in a plate, using the method for the extended finite element method (XFEM), and the programming language for MATLAB.)

very important for pattern recognition using neural networks