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4psk的matalab仿真系统，对研究很有用途(Matalab the 4psk simulation system is the use of research)

This is the simulation of Pulse Wave Doppler(PWD) effect used in ultrasonic wave. I m a student of HY University and I m not good at programming, but I want to be a nice programmer :D

说明：  实现两个指数信号的卷积，通过绘制出两个输入的指数信号的图形进行卷积后的图形说明卷积的作用。(Convolution of two exponential signals to achieve, by drawing out the index of the two input signals after convolution graphics graphic illustration of the role of convolution.)

说明：  自己编写的萤火虫算法，可以用于聚类等多种用途。(I have written the firefly algorithm, can be used for clustering and other purposes.)

经典的双边滤波器，去噪能力很强，很值得一用。(Classic bilateral filter, denoising ability, it is worth using.)

关于元胞自动机的matlab程序，希望对大家有用(About Cellular Automata matlab program, we hope to be useful)

如何计算矩阵数据的协方差矩阵。还有在什么情况下只能计算均值、方差，而不能计算协方差，什么情下，只能计算协方差，但不能计算协方差矩阵。(How to calculate the matrix data covariance matrix. And under what circumstances can only calculation mean, variance, and not calculation covariance, what feeling, can only calculation covariance, but not calculation covariance matrix.)

Question 1.3 Sullivan

衰落信道下的盲估计研究MIMO-OFDM,mimo子空间仿真程序(ofdm)

卡尔曼滤波用matlab作仿真，实现对目标的准确跟踪。(Kalman filtering using Matlab for simulation, the goal of achieving accurate tracking.)