QPSK

addition of two sequences in matlab

K -Plets Graph Theory based. (K-Plets Graph Theory based. )

说明：  matlab拟合二维高斯曲面,直接拷贝运行(matlab fitting two-dimensional Gaussian surface, the direct copy operation)

modified NSGA-II algorithm

k-means，经典聚类算法DBSCAN的MATLAB实现，简单易懂，可以运行(k-means，Classical clustering algorithm concentration of MATLAB implementation, easy to understand, you can run)

检测电机转速通过pid算法对电机PWM占空比调节使电机达到预定转速(The motor speed is detected, and the duty cycle of the motor PWM is adjusted by the PID algorithm, so that the motor reaches the desired speed)

基于LabView2011的自相关分析和互相关分析，测试两个信号的互相关函数和自相关函数。(Based on the autocorrelation and cross-correlation analysis LabView2011 analysis, test cross-correlation function of two signals and autocorrelation function.)

很好的书，matlab simulink通信系统建模与仿真实例分析(邵珏斌)，很推荐(Very good book, matlab Simulink communication system modeling and simulation example analysis (Shao Zuobin), very recommended)

说明：  基于传递矩阵的方法，计算转子动力学系统临界转速及振型(Critical Speed and Vibration Mode of Rotor Dynamics System Based on Transfer Matrix Method)

This function returns the free vibration displacement of a damped SDOF system.