这些目标是否符合有效的目标的特征？
How do these goals meet the characteristics of an effective goal?
什么是一个有效目标的特征？
图像的边缘包含了目标的大量特征信息。
The image edges included most feature information of the target.
目标的两个特征是难度和明确性。
目标的材料和结构是产生回波特征的原因。
The material and the structure of target is the reason for producting echo characteristic.
研究了地面目标的可见光特征。
In this paper, the visible light characteristic of ground target was studied.
边缘是人类视觉识别图像目标的重要特征。
The edge is the important feature that human vision recognizes image target.
文章最后给出了部分简单目标的极化特征。
At the end of this paper, the polarization features of some simple targets are given.
根据目标本身形态的总体尺度范围特征设定滤波窗口，很好地实现了对目标的识别过程。
The filter window is set up in accordance to the characteristic of target shape size.
文章最后给出了部分简单目标的极化特征。
文章最后给出了部分简单目标的极化特征。
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