基于加权平均梯度方向场和改进Poincare Index的指纹奇异点检测算法 维普资讯 http://www.cqvip.com
确定位和可靠性判断这一难题,提出了一种两阶段的奇异点提取算法.首先,针对现有Poincareindex 方法存在伪点检出较多和抗噪性较弱的问题,通过对其改进实现候选奇异点位置的确定;然后,再通过 计算候选奇异点周围圆形邻域的Gaussian-Hermite矩分布属性值来判断其真伪.方法有效结合了奇异 ...
如果满足此条件,记下此元素,退出循环准备删除40ifall([not_in_tail(sublist[0], l)forlinmerge[index:]]):41head =sublist[0]42break43ifhead:44#将该元素添加到线性表中45output.append(head)46#将该元素从所有子列表中删除47forlinmerge:48ifheadinl:49l.remove(head)50#从最终返回的列表可以看出产生线...
The relations between the closed-loop and the weighting matrix Q in the quadratic performance index are analysed in this paper. 本文分析了闭环极点与二次型性能指标中的加权矩阵Q之间的关系。 2. The method of chaos optimization,which is based on the transient response of the system,designed for ...