中文摘要：

当前,对ISAR成像和目标识别的研究很多,但用于ISAR成像和目标识别的目标模型大都相对简单。建立一种新的ISAR二维散射点模型,生成目标各种姿态的二维散射点数据库。首先选用3DS为散射点生成模型,以此为基础完成模型简化和信息抽取。然后根据目标姿态变化,计算转换坐标,并以F16战斗机为例生成二维散射点图像。最后采用步进频雷达信号对目标散射点模型进行ISAR成像。所建立的目标二维散射点模型可以用于ISAR成像和目标识别研究。

英文摘要：

There are a lot of researches on ISAR image formation and target identification currently,but most of the target models for ISAR image formation and target identification are relatively simple.Therefore,this paper establishes a new ISAR 2-D scattering point model to generate 2-D scattering point databases with different attitudes.Firstly,3DS is chosen to be the generated model of the scattering point,thus the model simplification and information extraction may be completed.Then,according to changes of target attitudes,coordinate conversion are calculated and 2-D scattering point figure is generated with the example of F16 fighter plane.Finally,stepped-frequency radar signal is adopted to research the ISAR image formation of the target scattering point model.The established target 2-D scattering point model can be used to research ISAR image formation and target identification.