Target detecting method in ballistic midcourse based on minimum mean square error

TY ( ', ', ') , and the target position and gray once estimated is

= x y gk k k k TYˆ ( ˆ ', ˆ ', ˆ ') . x y gk k k', ', ' respectively repre-

sented abscissa, ordinate and the center of gray by the target object detection algorithm. x y gk k kˆ ', ˆ ', ˆ ' respectively represented a projected of target abscissa, ordinate and center gradation.