The other three parameters were relevant to the bandwidth and the polar distribution of the filter, which could be used to influence the stability of the system.
陷波滤波器中的其他三个参数，与滤波器的带宽和极点分布相关，可影响系统的稳定性。
2
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.
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。
3
Adaptive Kalman filter algorithm study (1) Based on the study of the passive target tracking in modified polar coordinates, the nonlinear dynamic model is devised.