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研究了红外目标与诱饵在成像特性上的差异 ,指出动态特性是辨别真伪的主要特征。在点目标阶段 ,以目标成像灰度随时间变化的快慢作为灰度时间序列特征 ,并采用多分辨分析、时频分析等多种方法进行目标与诱饵的识别 ,给出了仿真试验结果。
The difference of imaging characteristics between infrared target and bait is studied. It is pointed out that dynamic characteristics are the main characteristics of authenticity. In the point target phase, the time-varying gray level of the target imagery is taken as the gray time series feature. The multi-resolution analysis, time-frequency analysis and other methods are used to identify the target and bait, and the simulation results are given.