n,position report deviation report,marine pollutants report\r? ?\r1?Why is not to user the dopplerefects to calculate the beacon position in\rgeosar system?\rA?there is no relative movement between a transmitting beacon ad the\rgeosar satellite\rB?the carrier frequency transmitted by the beacon is not stable\rC?there is relative movement between a transmitting beacon and the\rgeosar satellite.\rD?none of above\r2 ?Which institution processes the signals to determine the beacon\rlocation?\rA?mcc\rrcc\rC> spoc\rD?leolut\r20\rA\rB\rC\rD\rA\rB\rC\rD\rA\rB\rC\rD\rA\rB?.\rc\rD\rA\rB\rC\rD\rA\rB\rC\rD\rA\rB\rC\rD\rA\rB\rC\rD\rA\rB\rC\rD?
全文预览
