文献是IEEE最新的关于卫星信道和波束分配的，建立了雨衰模型。-IEEE latest on satellite channels and beam distribution of papers, articles relatively new, there is a good reference. It have set a rain_attenuation model.

Differential Power Analysis (DPA) is a kind of side channel attack that makes use of statistically analyzed power consumption records to find out secret cryptographic information. Many types Hardware and Software level countermeasure has been propose