The recognition possibility for intra-class target dis tortion version and misrecognition possibility for inter-class target are two m ain performances of an automatic target recognition(ATR) system.

• 对同类目标畸变不变的正确识别率与不同类目标分类误识别率是衡量一个自动目标识别(ATR)系统的两个最重要性能指标。