digital

脉冲多普勒调制 用多普勒雷达，侦测发现目标(duopule )

一个用于演示游程编码的Matlab程序，具有编码和解码功能(A Matlab program for the demonstration of the run-length coding , with the encoding and decoding functions)

实现霍夫曼编码，根据随机概率编程霍夫曼码，有详细解释。(Huffman coding to achieve, according to random probability programming Huffman code, a detailed explanation.)

该程序仿真QPSK传输系统，有助于对基本传输方式研究的学习。(Simulation program to realize QPSK transmission system)

研究中我么采用分段的方法对数字音频信号嵌入水印。为便于研 究，以灰度图像为数字水印原始信号经二值化处理后得到水印再嵌入 音频信号的离散变换域中，从而得到嵌入水印的音频信号，其实现过 程原理框图如图1 所示。在水印嵌入的过程主要实现四个阶段的任 务：(1)数据准备与预处理，主要是准备好水印原始图片和待嵌入水印 的音频信号 (2)音频信号分段处理，用于嵌入水印的音频数据部分等 分成(m1*m2)个音频数据段 (3)水印图像降维处理，在此过程灰度图像 水印转化为二值图象, 要将其嵌入到一维的数字音频信号中, 必须将 二维的图像转化成一维的序列 (4)将水印嵌入到数字音频信号中,从而 最终获得带数字水印的音频信号。(The study I Mody, segmented digital audio signal embedded watermark. Discrete transform domain to facilitate the study of the grayscale image for the digital watermark the original signal is obtained after the binarization processing watermark embedded in the audio signal, thereby obtaining the watermark embedded in the audio signal, and its implementation process schematic block diagram shown in Figure 1. Mainly in the watermark embedding process to achieve the task of four phases: (1) The data preparation and pretreatment, is ready to watermark the original picture and to be embedded in the audio signal of the watermark (2) audio signal segment processing for embedding watermark The audio data portion is divided into (m1* m2) audio data segment (3) The watermark image dimension reduction processing, binary image is converted to grayscale image watermark in this process, and to be embedded into a digital audio signal of a one-dimensional , two-dimensional images must be converted in)

针对NL-Mreans算法运算时间较长的问题，提出了优化，大大缩短了时间。(To solve the problem of long operation time of NL-Means algorithm, an optimization method is proposed, which greatly shortens the time.)

这是关于matlab语言的基础知识的ppt课件(This is about the basics of matlab language ppt Courseware)

removal of noise by using robust techniques

This project will filter noise from video source

一种广义预测控制实例，内涵几个m文件，以及说明(An Example of Generalized Predictive Control)