artifial_accelerogram

一、 本程序采用16QAM调制方式，对一串2进制信源进行调制，用升余弦滚降函数进行基带调制，再调到高频信道；在信道上加入高斯白噪声，运用匹配滤波器解调，画出解调星座图，运用最小欧氏距离译码判决，计算误比特率。(First, this program uses 16QAM modulation mode, for a string of two binary source is modulated with a raised cosine roll-off function for base-band modulation, and then transferred to high-frequency channel in the channel by adding Gaussian white noise, the use of matched filter device demodulator, draw demodulation constellation, using the minimum Euclidean distance decoding decision, calculate bit error rate.)

说明：  matlab的GUI设计，实现摄像头的无人监控拍照，可以实现定时功能。(matlab GUI design, implementation, unmanned surveillance camera pictures, you can achieve timing.)

this is a source code about k-nearest network

对信号进行多尺度分解并提取小波的高频系数和低频系数(Multi-scale decomposition of signals and extraction of high frequency coefficients and low frequency coefficients of wavelet)

Three dimensional hydrogen atom spherical harmonics visualization.

Testing complicated str.replace.

基于普通的SLM方法降低OFDM的PAPR，并验证了M（子载波数）的作用(reduce the PAPR of OFDM)

周期法计算循环卷积 过程图解 只能计算低位的周期数列(Cycle method to calculate the circular convolution process diagrams can only calculate the low number of cycles column)

应用鸟群算法（PSO）优化全局神经网络权值，可以使用(Applications birds (PSO) algorithm to optimize the overall neural network weights, you can use)

MATLAB 常用函数，对于初学者应该很有帮助(MATLAB fuctions is very important for new learners )