论文部分内容阅读
质心在目标上的位置是弹道中段目标的重要进动特征,也是目标的质量分布特征,可用于识别弹头和诱饵。针对旋转对称目标,提出了基于窄带雷达回波相位特性的质心位置估计方法。首先,选取目标对称轴上的任意点作为质心位置参考点,定义相应的质心位置参数,并构造以该点为相位参考中心的全姿态散射系数模板;然后,对窄带雷达回波采样序列进行相位匹配变换,搜索匹配函数的最大值,从而得到质心位置参数的估计值。仿真结果表明了该方法的有效性。
The location of the centroid on the target is an important precession feature of the mid-ballistic target and also a mass distribution characteristic of the target, which can be used to identify the warhead and bait. For rotationally symmetric targets, a centroid position estimation method based on the phase characteristics of narrow-band radar echoes is proposed. Firstly, the arbitrary point on the target axis of symmetry is selected as the reference point of the centroid position, the corresponding centroid position parameter is defined, and the all-attitude scattering coefficient template with this point as the phase reference center is constructed. Then, Matches the transformation, searches for the maximum value of the matching function, and obtains the estimated value of the centroid position parameter. Simulation results show the effectiveness of the method.