计算神经信号各通道神经元的spike信噪比，仅限Cerebus采集的信号(calculate the SNR of each spike signals which recorded by Cerebus system)

利用MATLAB仿真了可见光通信系统的光照度光功率和SNR分布图(Use MATLAB to simulate the illuminance optical power and SNR distribution diagram of the visible light communication system)