实测距离 meaning in English

measured distance

First the 3 - d scattering model of the targets is built based on the theory of radar target scattering center in the optics region and measure data , then by comparing the profiles of actual target with the profiles of model target , the two most resemble profiles are regarded as the target recognition result
目标识别时，用目标的实测距离像与数据库中所有目标的三维散射模型在任意姿态角上的投影形成的距离像进行匹配，取相关性最强的目标类型作为识别输出结果。