The weapon operator search and locate the target using a periscope optical sight (7km range) in day light, or a thermal imager at night or in bad weather conditions.
武器操作员在白天亮光下使用一个潜望镜白光瞄准镜（7公里范围）或在不良天气条件或夜间使用热成像去搜寻和定位目标。
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 properties of Mahalanobis range are discussed in this paper . A Recognition method of radar target is proposed using range profile.
讨论了马氏距离的性质，利用目标的一维距离像，提出了一种雷达目标识别方法。
A new arithmetic approach to the target identification of lidar range image was introduced by using the least squares estimation and linear glide updater for the design of a filter.
针对激光雷达一维距离像的目标识别，提出了利用最小二乘估计器和线性滑动更新器构造滤波器的算法。
Then, a fusion recognition method was proposed using polarized information of target under the high range resolution fully polarized radar.
而后，基于全极化高分辨雷达，提出了一种利用目标极化信息一维距离像的综合识别方法。
This paper analyzed theoretically the possibility of using dual spectral range IR technology to discern target and decoy bomb.
本文从理论上分析了用双色技术识别目标及抗诱饵弹干扰的可行性。
The basic theory of extraction of target projection length using high resolution range profile (HRRP) is discussed.
讨论了基于高分辨距离像(hrrp)的目标长度特征提取原理。
By using these estimation values, the range tracking, profile, status forecasting and MTI (Moving Target Indication) process can be realized.
利用这些估计值可以完成对目标的距离跟踪、成像、状态的预测以及动目标指示等过程。
Tracking target by using anti-helicopter mine (AHM) is actually the bearing-only measurement because precision of range detected by passive acoustic measurement cant satisfy the need of tracking.
目前被动声探测距离精度还不能满足跟踪的需要，因此，反直升机智能雷对目标的跟踪问题归结为仅有角测量的跟踪问题。
The properties of Mahalanobis range were discussed in this paper. A Recognition method of radar target was proposed using range profile.
讨论了马氏距离的性质，利用目标的一维距离像，提出了一种雷达目标识别方法。
Using space based sparse array for ground moving target indication is attractive. Unfortunately, range, Doppler and angle ambiguities usually occur with space based sparse array.
天基稀疏孔径实现地面运动目标指示（GMTI）具有很大吸引力，然而天基稀疏阵通常存在距离、多普勒和角度模糊。
Using space based sparse array for ground moving target indication is attractive. Unfortunately, range, Doppler and angle ambiguities usually occur with space based sparse array.
天基稀疏孔径实现地面运动目标指示（GMTI）具有很大吸引力，然而天基稀疏阵通常存在距离、多普勒和角度模糊。
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