Partial-Differential-Equations

LDPC码在AWGN信道下的译码程序（c语言）(LDPC code in AWGN channel decoding procedures under (c language))

设计OFDM系统IQ不平衡问题研究，及不平衡的图解~(Learn how MATLAB can be used efficiently in order to perform tasks in digital signal processing and digital communications Learn something about state-of-the-art digital communications systems and how to simulate/analyze their performance)

Buck降压转换电路的Simulink模型，可实现直流电压的降压(Buck buck converter circuit Simulink model can be achieved step-down DC voltage)

利用离散余弦变换DCT和小波变换DWT实现对图片的变化域压缩并进行仿真以及性能分析(Using the discrete cosine transform DCT and wavelet transform DWT realization of the picture changes and simulated field compression and performance analysis)

利用Fisher线性分类器实现的一个小程序，可以从里边提取Fisher算法用于其它应用(Fisher linear classifier achieved using a small program that can extract from the inside Fisher algorithm for other applications)

This is PN code with matlab it s easy. enjoy a this source

模拟砂堆的元胞自动机源代码。对于认识和学习元胞自动机（CA）很有帮助(sand pile simulation of cellular automata source code. Learning to recognize and cellular automata (CA) helpful)

一，二，三次拟合，并得到R方的检验。输入任何矩阵，得出险要的值。(One, two, three fitting and get R-square test. Enter any matrix derived advantageous values.)

实现以下功能：装载信号；完成信号的单尺度一维离散小波分解；从系数中重构低频部分和高频部分；显示高频和低频部分；由小波逆变换恢复信号；多层一维分解；提取系数的低频和高频部分；重构第3层的低频系数；重构第1、2、3、4、5层的高频信号；重构原始信号并显示(Achieve the following functions: load signal complete signal single-scale one-dimensional discrete wavelet decomposition reconstructed from the coefficients in the low frequency and high frequency display high-frequency and low frequency restored by the inverse wavelet transform signal multi-layer one-dimensional decomposition extraction coefficient of low frequency and high frequency reconstruction of 3-layer low-frequency coefficients reconstruction of the first layer of high-frequency signal 1,2,3,4,5 reconstruct the original signal and display)

本程序可以计算灰色关联度，是用MATLAB实现的(The program can calculate the gray correlation is achieved with MATLAB)