A Complete Collection of 100000 Whys
Fav十万个为什么
为什么流星能用来通信？
流星能用来通信，主要是因为流星穿过大气层时产生的电离余迹可以反射无线电波，从而实现远距离通信。
1、电离余迹反射：流星在穿过大气层时，因高温使周围气体电离，形成电离云，这种电离云能反射无线电波，使信号覆盖远距离。
2、通信距离远：流星余迹通信的单跳通信距离可达2000公里以上，无需中转即可覆盖广阔区域，特别适合应急通信。
3、保密性强：流星余迹通信不易被侦测和干扰，具有极强的抗毁性和隐蔽性，适用于军事或特殊场景下的保密通信。
总结：流星能用来通信，主要是因为流星穿过大气层时产生的电离余迹可以反射无线电波，从而实现远距离通信。
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