PPM_TH_NEW2013.1.17

This code calculates the DFT of an array

CLPF 理想低通滤波ICHPF 理想高通滤波 的实现用于图像的处理(CLPF ideal low-pass filter ICHPF ideal realization of high-pass filtering for image processing)

说明：  codes for matlab . .

用matlab编写的数字音频水印算法，包括嵌入、攻击、提取(Using matlab digital audio watermarking algorithms, including embedding, attack, extraction)

说明：  基于高阶累积量特征参数的的通信信号的调制模式自动识别matlab程序(Modulation Recognition of Communication Signals Based on Higher Order Cumulants)

this code use for matlab

hartley and colpitts oscillator c program

parzen窗对概率密度函数的估计matlab程序(parzen window )

说明：  UNB超窄带技术作为一项新兴技术为业内关注，源代码是matlab中simulink的模拟仿真系统，仿真了超窄带体系的通信系统发送和接受，以及误码率的分析等(UNB Ultra narrowband technology as an emerging technology for the industry concerned, the source code is in simulink of matlab simulation system, simulation of ultra-narrow-band system, communications system to send and receive, as well as bit error rate analysis)

By built-in function colfilt, I develop one image enhancing codes based on local statistics in Gonza(built-in function colfilt. I develop one image enhancing codes based on loc al statistics in Gonza)