?? ? ????PIESAT-2 09~12??????????
![](http://n.sinaimg.cn/news/transform/200/w600h400/20181003/6Hww-hkrzvkv5788136.jpg)
????:1????????:????
2?????????
3???????????
4???????????
5?????????
?????????12???17?????????????? (???? ???????)?????????,??????????12??????????????17??????????2??50??,?????,????????????,???????PIESAT-2 09~12?????,????,?????????????
???????????,?????(SAR)????,???SAR??????????????????????????,???????????????????????????????????????????????,?,??????
![](http://i2.chinanews.com.cn/simg/ypt/2024/241217/99ed920d-6663-4351-b4f1-bd57f749d4a3_zsite.jpg)
?????????????,SAR????????????????SAR????,???????????????????????????????????????SAR?,?,????????????,???,?????????????,??????????????????????????????????????????
???????????????,SAR?????SAR??,?,?????????????????????,????????????
??????,?????????,???????????????,??????????????????????1.3???????(??????????????700?????????)??553???(?)
??????????:???????