短語詞組短語doppler beam sharpening dbs 多普勒銳化技術dbs doppler beam sharpening 多普勒波束銳化Doppler beam sharpening 都蔔勒敏銳波束;銳化;爲多普勒波束銳化beam sharpening ratio 波束銳化比radar beam sharpening element 雷達射束峰化器Doppler beam sharpening algorithm 多普勒波束銳化算法 返回 beam sharpening