| Sufficient Conditions for Shift-Invariant Systems to be Frames in L~2（R~n） |
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| 作者姓名： | Deng Feng LI Tao QIAN |
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| 作者单位： | [1]Institute of Applied Mathematics, College of Mathematics and Information Scien＇ces, He＇nan University, Kaifeng 475001, P. R. China [2]Department of Mathematics, Faculty of Science and Technology, University of Macau, Taipa, Macao, P. R. China |
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| 基金项目： | Supported by National Natural Science Foundation of China （Grant No.61071189）; the support of the Science and Technology Development Fund of Macau Special Administrative Region （Grant No.056/2010/A3） |
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| 摘 要： | The main purpose of this paper is to establish some new sufficient conditions under which shift-invariant systems become frames in L2（Rn）. As applications, we obtain new results for Gabor frames.
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| 关 键 词： | 变系统 充要条件 帧 平移不变性 Gabor 充分条件 |
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