中文说明： 数据模型归一化，模态振动，搭建OFDM通信系统的框架，包括单边带、双边带、载波抑制及四倍频,实现了图像的加水印，去噪，加噪声等功能，实现典型相关分析，数值分析的EULER法。
English Description：
Data model normalization, modal vibration, build the framework of OFDM communication system, including single sideband, double sideband, carrier suppression and quadruple frequency, realize the image watermarking, denoising, noise and other functions, realize the typical correlation analysis, numerical analysis of the Euler method.