在频域对回波数据作离散傅里叶逆变换,得到宽带信号的时域响应,从而得到高分辨率距离像（high resolution range profiles,HRRP）和二维聚束合成孔径雷达（synthetic aperture radar,SAR）成像。
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本文阐述了高分辨率一维距离成像的原理，提出了一种基于目标距离像的目标信号检测和跟踪方法。
The principle of obtaining one dimensional high resolution range profiles (HRRP) of a target is introduced, and a method of target detection and tracking based on HRRP is presented.
得到任意视角及可变信噪比下的一维距离高分辨率像，并用线性内差神经网络进行识别，得到了满意的结果。
The HRR image at various look angles and ratios of signal to noise is recognized by Linear Interpolation Neural Network and the result is very satisfactory.
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