daishuyunsuan

很多场合需要白噪声，本程序通过一种简单的M文件产生白噪声。(Many occasions need white noise, this program through a simple M files generated white noise.)

matlab 课程实习 第五章 答案 附源码(Chapter matlab courses internship answer with source code)

用LMS和RLS算法进行谱估计，求取均方误差(LMS and RLS algorithm spectral estimation strike mean square error)

EMD matlab程序，附测试数据，通过对高频信号的分解和趋势分析，可实现对数据分析和预测功能。(EMD matlab code)

4种启发式算法的问题的matlab程序，非常的实用(4 kinds of heuristic algorithm of the matlab program, very practical)

this code for mattlab robert operators

SOM神经网络，可以进行特征提取和模式分类，特别是特征维数较多的情况(SOM neural network, feature extraction and pattern can be classified, more especially characteristic dimension of the case )

说明：  网络函数逼近实例1.首先定义正弦函数，采样率为20Hz，频率为1Hz 2.生成BP网络。用newff函数生成前向型BP网络，设定隐层中神经元数目为10 3.对生成的网络进行仿真并做图显示。 4.训练。对网络进行训练，设定训练误差目标为 1e-5，最大迭代次数为300 5.再次对生成的网络进行仿真并做图显示。(Network function approximation example)

微粒群算法结合灰色系统理论进行预测的matlab代码，精确度较高(Particle Swarm Optimization of gray system theory to predict the matlab code, high precision)

说明：  在单径瑞利信道中，请设计一种时分的导引辅助的信道估计方法，用Simulink进行仿真，测量BPSK的误码率性能，画出比特信噪比与误码率的关系曲线( in a single path Rayleigh channel, please design a secondary peak guide channel estimation method, the Simulink simulation, BPSK BER performance measurement, signal to noise ratio and bit error rate to draw the relationship between curve)