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说明：  用matlab实现的小算法程序，基于分块嵌入(Algorithm with a small matlab program implementation, block-based embedding)

七节点潮流计算，电气工程专业电力系统专业重要计算算法。(Seven node flow calculation, electrical engineering power system professional calculation algorithm.)

混沌的判断指标Lyapunov指数计算,对信号进行频谱分析及滤波，构成不同频率的调制信号。( Chaos indicator for Lyapunov index calculation, The signal spectral analysis and filtering, Constituting the modulated signals of different frequencies.)

This is not a beginner s tutorial to Matlab, but a tutorial on performance. The methods discussed here are generally fast, but no claim is made on what is fastest. Use at your own risk.

汉明码编码译码源码，谢谢大家分享，~~~~(Hamming code encoding decoding source code, thank you for sharing)

Adaptive Wavelet Thresholding for Image Denoising and Compression.pdf

信号与系统试验报告 离散傅立叶变换（DFT）和频谱分析 一、实验内容 1、实验题目 （1）编写DFT、IDFT程序，并验证其正确性（提示：可利用冲激函数进行验证）。 （2）计算信号f(t)=e-at2sin(2∏ft)的离散傅立叶变换（DFT），求其振幅谱，相位谱、振幅最大值对应的频谱（检测主频）以及对发f(t)进行DFT变换的结果实现IDFT变换，并画出图形。 参数选择如下：频率f =30HZ，a=f 2㏑(M),M=2.5 2、通过实验理解信号振幅谱、相位谱的物理意义，掌握DFT、IDFT算法的实现方法。()

⑴编程实现直方图均衡化 ⑵设计完成同态滤波器，并用之改善图象质量。 ⑶对某图像加入不同类型﹑不同强度的噪声（周期﹑椒盐噪声），并分别用空间域和频率域的方法抑制噪声。 (⑴ ⑵ programming histogram equalization filter design is completed with the state and used to improve the image quality. ⑶ image of a different intensity with different types of noise ﹑ (cycle ﹑ salt and pepper noise), respectively, with spatial and frequency domain methods of noise suppression.)

这个是对16QAM各种界的一个整理，给出了仿真程序，对于初学者来说具有重要的意义。(This is a finishing 16QAM various circles, the simulation program, for beginners is of great significance.)

turbo码的仿真，主要对turbo进行编码，同时附上译码(turbo code simulink)