fmdemod_4

介绍有关H.248的内容 相当有用 价值比较高(H。248)

说明：  基于IFFT实现的OFDM仿真算法，内包括系统仿真框图(IFFT implementation based OFDM simulation algorithm, which includes system simulation block diagram)

本文件算出闭合曲线图形的面积是根据像素点来的(Closed curves calculated in this document is based on the size of graphics to the pixel)

an inferior assistant or a channel administrator hopes to append some additional message, such as the origin information, image notation or authentication data, within the encrypted image though he does not know the original image content. some parameters are embedded into a small number of encrypted pixels, and the of the other encrypted pixels are compressed to create a space for accommodating the additional data and the original data at the positions occupied by the parameters

Employee salary management system

This FDTD 1D simulation based on Dennis Sullivan book s. Wave propagation in vacuum background and penetrates Nonmagnetic Plasma.

潮流计算实用数据，各种节点的，对潮流计算等电力计算机程序非常有用(Practical data flow calculation, the various nodes of the power flow calculation is very useful computer programs)

自己写的多分辨率SVD函数，普通SVD也包含在内，采用类似小波多分辨率分析进行SVD降噪、降维，奇异点求解(Multi-resolution SVD function, using wavelet-like multi-resolution analysis for SVD noise reduction, dimension reduction, singular point solution)

计算一组声音信号的MFCC 和 设计三角滤波器(compute the MFCC of input signal and triangular filter)

matlab学习用材料(离散优化、方程求根、数据拟合等)(Learning to use matlab material)