放射源的辐射指纹能起到标识和鉴别放射性物体的作用。
Radiation fingerprints sometimes can be used to label and identify the radiation resources.
光传感器目标识别则是在取得目标的反射特性和辐射特性（光谱）后提取其特征进行识别。
Optical sensor target recognition extracts the characteristic of target to perform target recognition after having acquired its reflection and radiation (spectra) characteristics.
线谱是船舶辐射噪声中重要的特征信息，线谱提取是水中目标识别的关键技术。
Line spectra provide significant information in ship-radiated noise. Extracting spectral lines from ship-radiated noise is a key technique in identification of underwater targets.
改进的算法可有效地应用于采用两种探测器的目标识别：毫米波辐射计、红外搜索和跟踪探测器。
The developed algorithms are applied to a target identification problem with two sensors: millimeter wave radiometer, infrared searching and tracking.
人工方式标识方坯受到高温辐射的限制，容易造成标识差错及标识不清楚，难以实现在线标识。
Manual marking with billet is influenced by high temperature, so the marking characters are easy to be written incorrectly and not clear. It is difficult to be done on line.
一般来说，目标的红外辐射强度方向图是用于目标识别的重要特征之一。
In general, the target direction infrared radiation intensity chart is one of the important characteristics for target recognition.
一般来说，目标的红外辐射强度方向图是用于目标识别的重要特征之一。
In general, the target direction infrared radiation intensity chart is one of the important characteristics for target recognition.
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