Diffusion_limited_aggregation

说明：  fft分析程序，可以完成对输入信号的谐波分析，得到谐波的频率和幅值(fft analysis program, to be completed on the input signal harmonic analysis, harmonic frequency and amplitude)

matlab维纳滤波器，初次尝试，请大家共同学习(matlab wiener filter, the first attempt, please learn together)

Digital signal processing, Find peaks on ECG using threshold

构建一个理想信道基本QPSK仿真系统,仿真结果有 a.基带输入波形及其功率谱 b信号及其功率谱 c.QPSK信号星座图 2.构建一个在AWGN（高斯白噪声）信道条件下的QPSK仿真系统，仿真结果有 a.QPSK信号及其功率谱 b.QPSK信号星座图 c.高斯白噪声信道条件下的误码性能以及高斯白噪声的理论曲线，要求所有误码性能曲线在同一坐标比例下绘制(qpsk modem emulation, plus white Gaussian noise)

Feature Extraction using matlab

用蚁群算法优化BP神经网络，然后用于预测，非常实用，适合初学者。(This is the aco-bp code in matlab)

pll programs for 2nd , 3rd 4th order

对归一化后的RGB图片空间转化为hsi空间,hsi三分量也是归一化后的值,范围都是在0-1之间.(On the normalized RGB image space after hsi into space, hsi is also a three-component normalized values are in the range between 0-1.)

用于正交试验求极差 可做m文件用 只要根据图中输入数字便可生成结果(Use of orthogonal test to find the difference)

PSO code matlab psooooooooooooooooo