????:1???????????:??spa????

2???????

3??????????

4?????????????

5??????

?????12????????????17???????? (?????????? ??)?????,????????????????12?17??2?50?????????,????,?,??????????PIESAT-2 09~12??????????????????????,?????????,????????

??,??????????(SAR)????,?????????SAR????????,?????????????????????????????,?,?????????????

12?17?????????????,?????,?PIESAT-2 09~12????????????? ?

?????????,SAR?????????SAR??????????,??????????????????????????????SAR???????,????,????????????????????,?????????,?????????????,??????????????

?????????,SAR????????????????????????SAR??????,?????,???????????????????,?????????????????????????????????????

???????,???????????????,?????????????????????????????,??1.3?????(??????????????700????)???553????(???????????????????????????????)

???????????????:??????????