包括调制，解调，信噪比计算，通过虚拟阵元进行DOA估计，时间序列数据分析中的梅林变换工具，实现串口的数据采集，应用小区域方差对比，程序简单。- Includes the modulation, demodulation, signal to noise ratio calculation, Conducted through virtual array DOA estimation, Time series data analysis Mellin transform tool, Achieve