LI Wang-xi
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View article: An Improved Airborne Passive Location & Tracking Algorithm Using the Rate-of-change of Phase Difference
An Improved Airborne Passive Location & Tracking Algorithm Using the Rate-of-change of Phase Difference Open
为解决基于空频域信息的机载无源定位中高精度角速度参数难以获取的问题，论文利用相位差变化率对角速度的放大作用，通过2维相位干涉仪布局建立了一种新的无源定位观测模型，实现了对空中运动目标的定位。针对UKF(Unscented Kalman Filter)滤波中误差协方差矩阵负定导致滤波不稳定的问题，引入平方根UKF滤波算法并进行改进，采用简化球形分布的SSUT(Simplex Spherical distribution Unscented Transform)变换进行Sigm…