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提出了一种有约束的自适应LMK时延估计算法,该算法的代价函数根据估计误差的峭度选取,算法直接对时延进行估计,不需进行插值运算。最后用实测的直升机辐射的噪声数据进行了仿真,表明新算法具有更快的收敛速度。
A constrained adaptive LMK time delay estimation algorithm is proposed. The cost function of this algorithm is selected according to the kurtosis of the estimation error. The algorithm directly estimates the delay without interpolating. Finally, the simulated helicopter radiation noise data are simulated, which shows that the new algorithm has a faster convergence rate.