modulation and demodulation in digital communication

说明：  学习人脸识别的好代码 人脸识别的初级入门知识(Face Recognition Face Recognition of good code to learn the knowledge of the primary entry)

说明：  一篇全面介绍Dantzig selector的英文文章，37页，用于压缩感知的重构(The Dantzig selector: statistical estimation when p is much larger than n)

灰色系统的MATLAB程序：用于实现灰色预测，适合初学者。(Gray system MATLAB program: to achieve gray prediction for beginners.)

THis matlab codes implements caluclation of 2-d Finite Element method(FEM) for finding approximate solutions of partial differential equations (PDE) as well as of integral equations.

电力系统潮流分析matlab 多个ieee测试(electric system power flow)

图像重建算法研究，有详细的操作步骤，可供大家学习研究，或在此基础上继续改进.(fbp reconstruction study by matlab)

Double_Polarity_IGBT_Bridges.rar,功率电子领域matlab仿真文件，已经验证过，程序运行正常(Double_Polarity_IGBT_Bridges.rar,Power electronics field matlab simulation file, has already been verified, the normal operating procedures)

说明：  搭建汽车操纵稳定性和平顺性仿真中常用的魔术轮胎和dugoff轮胎，整理到一个simulink文件中，两种轮胎的模型均已和carsim中的仿真结果进行对比和验证，精度较高。(The magic tire and Dugoff tire commonly used in vehicle handling stability and ride comfort simulation are built and sorted into a Simulink file. The two tire models have been compared and validated with the simulation results in Carsim, and the accuracy is high.)

说明：  MPSK信号基于高阶循环谱估计载波频率matlab的代码(MPSK signals based on higher-order cycle of the carrier frequency spectrum estimation matlab code)

用R/S方法来求hurst指数，matlab程序(R/S method to seek hurst index, matlab program)