itu676_annex2

matlab实用程序百例，初学者必备的源代码(matlab utility 100 cases, the necessary source code for beginners)

先进搜索算法应用在PID整定上，以果蝇算法为例(Advanced search algorithm on PID Tuning，use FOA as an example)

2d dct cofficient computation programs..

LDPC encoder and decoder design in MATLAB

说明：  基于Mallat算法的滤波器设计及用于信号消噪实现(Mallat algorithm-based filter design and realization for signal de-noising)

Peak power ratio reduction in OFDM systems

说明：  matlab的function，计算hurst指数(matlab' s function, calculated hurst index)

说明卷积编解码的工作原理，用Simulink仿真卷积编码，并用Viterbi译码的方法进行解码(Understand the convolutional codec works with Simulink simulation convolutional coding and Viterbi decoding method to decode)

神经网络的结构选4-5-3，学习速率为0.28，惯性系数为0.04，加权系数初始值取-0.5-0.5上的随机数。(4-5-3 neural network structure selection, the learning rate is 0.28, the inertia coefficient is 0.04, the initial value of weighting factor to take-0.5-0.5 the random number.)

Após o pré-processamento (prep), os dados sã o reduzidos pelo algoritmo SVD e calcula-se os Scores (T) e os Loadings (P). Posteriormente, plota-se T e P, na forma de gráficos biplots