高层行为与场景理解
high level activity and scene understanding
自然场景理解
Natural scene understanding
战场场景仿真
battlefield environment simulation
背景场强
background lectromagnetism field
背景场误差协方差
Background error covariance
背景场误差协方差矩阵
covariance matrix of background errors
background error covariance matrix
背景场与背景值
Background field and Background value