part_b

国外编写的一个QPSK仿真程序，给出了调制解调及误码分析(Foreign QPSK simulation program written in a given modulation and demodulation and error analysis)

实现信号的KDDA映射变换，KDDA属于线性子空间分析方法LDA的改进算法，采用核方法实现映射(Realize signal KDDA mapping transformation, KDDA belonging to a linear sub-space analysis method to improve the LDA algorithm, use of the mapping method)

说明：  自抗扰控制器matlab 代码 仿真程序 (ADRC matlab code simulation program)

在矩形区域内不重叠随机产生初始坐标，作圆。(Draw circles in the rectangle.)

读取保存在TXT文本文档的手势信号，显示并保存成mat文件，简单易用，适合尚未入门者使用(Read hand signals stored in TXT text documents, display and save a mat file, easy to use, suitable for beginners to use yet)

This code computes fft and ifft

matlab code for siso-ofdm matlab code using pilot symbols

Scaling between two number ranges

于慧敏信号与系统第二版第五章部分习题的matlab代码... (And systems in Huimin Xin No. Part Second Edition Chapter Exercises matlab code ...)

Watermarking using DCT-SVD it includes watermarking algorithm using DCT and SVD combination.It accurately performs watermarking technique.