No convergent drawback of the weight vector due to choose the dispersion constant inaccurately in the normalized constant modulus algorithms (NCMA) is overcome.
该算法克服了在一般的常系数盲数字自适应算法中，由于估计幅值选择不合适，所造成加权矢量不收敛的缺点。
The normalized propagation constant, which determines the number of the modes and mode cutoff is obtained for a PCF: with a certain structure parameters.
对于给定结构的PCF，计算得到了决定模式数量及模式截止的归一化传播常数。
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