该方法首先在不知道任何基阵方向向量先验知识的情况下，利用信号的多普勒信息估计波束形成的权矢量。
The weight vector of beamforming is estimated by Doppler information of the signal first, then it is approximated by RBFNN to carry out the blind optimizing beamforming.
新算法使用时变遗忘因子对误差进行指数加权平均来估计均方误差，并使用该因子改变自适应迭代过程中滤波器系数向量的更新方向。
In the new algorithm, a time-variant forgetting factor is introduced to estimate the Mean Square Er-ror (MSE) and change the updating direction of adaptive filter coefficient vector.
由信号方向向量直接估计到达波方向(DOA)可以获得优良的估计性能。
It is known that a good performance can be obtained when the DOAs are estimated directly from the signal direction vectors.
最后采用基于迭代的方法，重新估计所有块梯度向量并将梯度向量场转化为方向场。
This new method mainly comprises three steps: firstly, normalize the point-gradient vectors and calculate the block-gradient vectors and the corresponding block-coherence;
最后采用基于迭代的方法，重新估计所有块梯度向量并将梯度向量场转化为方向场。
This new method mainly comprises three steps: firstly, normalize the point-gradient vectors and calculate the block-gradient vectors and the corresponding block-coherence;
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