blur in space 中文意思是什麼
blur in space
解釋
空間模糊-
1 ) the ground clutter is very strong when radar works in its down - look mode. 2 ) the clutter has the character of space - time coupling and the clutter spectrum spreads due to the movement of platform. 3 ) the lower repeat frequency results in doppler blur and the clutter spectrum spreads in the whole doppler domain
地面動目標檢測的最大難點: 1 )雷達下視時地雜波特別強; 2 )由於平臺運動,地雜波存在著空時耦合,雜波譜展寬; 3 )為避免距離模糊,採用較低的重復頻率,但會存在多普勒模糊,地雜波譜擴散到整個多普勒域。
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