Demonstrate Variance Shadow Mapping technique

考虑雨衰 阴影 和多径影响，通过虚拟阵元进行DOA估计，应用小区域方差对比，程序简单。- Consider shadow rain attenuation and multipath effects Conducted through virtual array DOA estimation, Application of small area variance comparison, simple procedures.

包括调制，解调，信噪比计算，考虑雨衰 阴影 和多径影响，应用小区域方差对比，程序简单。- Includes the modulation, demodulation, signal to noise ratio calculation, Consider shadow rain attenuation and multipath effects Application of small area variance comparison, simple procedures.