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作者机构:Univ Birmingham Sch Elect & Elect Engn Birmingham B15 2TT W Midlands England Moscow Inst Elect Engn Moscow 103498 Russia Univ Queensland Dept Comp Sci & Elect Engn Brisbane Qld 4072 Australia
出 版 物:《IEE PROCEEDINGS-VISION IMAGE AND SIGNAL PROCESSING》 (IEE Proc Vision Image Signal Proc)
年 卷 期:2000年第147卷第5期
页 面:393-399页
核心收录:
主 题:.time-varying coefficient first-order decreasing frequency response eqn DFs LTI filter PLTV
摘 要:The paper presents an approximate method of periodically linear time-varying (PLTV) digital filter (DF) synthesis through mean values of their coefficients in time. The recursive and nonrecursive PLTV DFs of the first, second and arbitrary orders are considered. It is shown that PLTV DFs have distinguishing features which give them advantages in some applications in comparison with linear time-invariant (LTI) DFs.