The second derivative Gaus - sian pulse with the diverse shaping factors and the diverse spectral moving factors acted as basis functions . The iterative combination pulse method and the linear minimum mean square error ( LMMSE ) combination pulse method were pre - sented .

以具有不同形状因子和频谱搬移因子的高斯二阶微分脉冲为基函数，提出迭代组合和LMMSE（线性最小均方误差）组合的UWB（超宽带）脉冲设计方法。