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讨论了频率步进毫米波雷达高分辨率距离像的成像方法，分析了目标运动速度和步进频率误差等对目标距离像的影响，并利用散点的回波模型进行了计算机仿真，为精确制导过程中的目标识别提供了有效途径．
The imaging method of high resolution distance image of frequency step millimeter wave radar is discussed. The influence of target velocity and step frequency error on the target distance image is analyzed. The computer simulation is carried out by using the scattered point echo model. The target recognition in guidance process provides an effective way.