Long range target detection ability 远距离物标探测能力
far-range target detection 目标远程探测
Near range target detection 近程目标探测
range-spread target detection 距离扩展目标检测
range extended target detection 距离扩展目标检测
When the detection range of the IR thermal imager is calculated by using NETD, the target radiation brightness difference must be calculated in the operating wave band.
在采用NETD计算红外热像仪的探测距离时，需要计算目标在热像仪探测波段范围内的辐射亮度差。
The operating range for extended target is calculated by considering of the target finding ability of eyes, contrast of target luminance, discrimination level and detection probability.
并综合考虑人眼的目标发现能力、目标的亮度对比度、观察等级和探测概率的要求，计算出面源目标的作用距离。
Extracting main scatter center of the target correctly and accumulating the energy of the main scatter center are the key to the high resolution radar range extension target detection.
正确提取目标强散射中心，并对强散射中心的能量进行有效的积累，是高分辨率雷达距离扩展目标检测的关键。
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