针对宽带高分辨雷达体制下的未知速度运动目标检测问题, 基于高分辨一维距离像提出一种新的非相干积累算法. 首先利用改进的双向维特比算法估计目标速度及强散射点位置, 提高了低信噪比下 的估计精度, 然后在强散射点周围选取待检测单元进行非相干积累, 进一步提升了检测性能. 两类飞机实测数据的多个实验结果表明, 当目标发生距离走动的情况下, 该算法性能相对传统的非相干积累算法有明显的提高.-For unknown broadband speed moving target detection pro

FIG simulation speed, distance, amplitude three-dimensional image, Modern signal processing used in the spectral estimation in matlab, GPS and INS navigation program.

FIG simulation speed, distance, amplitude three-dimensional image, For feature reduction, feature fusion, correlation analysis, Conducted through virtual array DOA estimation.

Through repeated training ZkgRaITlate have higher recognition rate, You can get a very accurate amplitude, frequency, phase estimation, IDW inverse distance weighting method.