本文结合外辐射源雷达实验系统，讨论了多普勒距离坐标系中多目标情况下采用波门法进行航迹相关的算法实现，给出了实验结果。

Based on an experimental passive coherent radar system, this paper presents an algorithm to implement multitarget track correlation using doppler-range coordinate, and gives experimental results.

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在水下被动目标跟踪系统中，直角坐标系下的扩展卡尔曼滤波器容易发散而导致滤波精度很差。

Concerning the problem to instability and low accuracy of the passive filter on bearings-only target tracking, a modified adaptive Extended Kalman filter algorithm on polar coordinate is presented.

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