Geometry character and invariant character of ship target is analyzed and a united relativeinvariant moment is used to calculate the feature to meet real-time requirements.
分析了舰船目标的几何特征和不变特征,为满足实时性要求,使用一组统一的相对矩来计算特征量。
2
It is proved that relative hereditary, relative closed transition, weak homeomorphic invariant, L-good extension are all valid.