smethod相关论文
信号的时频分布图的脊线包含关于信号特征的重要信息,特别是它们刻画了集中信号能量的区域.在Carmona R A等人所提出的脊线检测方......
Focal region field of a two dimensional Gregorian system coated with chiral medium is analyzed at high frequency. Maslov......