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Abstract:
因其在数字信号处理的潜在应用,近年来,离散Gabor分析引起了众多学者的关注.本文研究整数集Z的离散周期子集S上的Gabor分析,众所周知,当S≠Z时,l2(Z)的Gabor框架到l2(S)上的投影不可能穷尽l2(S)的所有Gabor框架.本文引入了弱Gabor双框架(weak Gabor bi-frame,WGBF),其推广了Gabor双框架的概念,得到了l2(S)上WGBF的Zak变换域刻画和时域刻画.所得结果即使S=Z时仍是新的,并给出了一些例子.
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中国科学(数学)
ISSN: 1674-7216
Year: 2018
Issue: 12
Volume: 48
Page: 1803-1818
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 1
Chinese Cited Count:
30 Days PV: 0
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