| Converse result on Szász-type operators |
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| 引用本文： | 宋占杰.Converse result on Szász-type operators[J].天津大学学报(英文版),2010,16(2):135-137. |
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| 作者姓名： | 宋占杰 |
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| 作者单位： | [1]School of Sciences, Tianjin University, Tianjin 300072, China [2]Institute of TV and Image Information, Tianjin University, Tianjin 300072, China） |
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| 基金项目： | Supported by National Natural Science Foundation of China （No.60872161）, Natural Science Foundation of Tianjin （No. 08JCYBJC09600）. |
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| 摘 要： | Szasz-type operators can be constructed by a Poisson process. The purpose of this paper is to derive the converse result in connection with Szasz-type operators by Steckin-Marchaud-type inequalities and new Ditzian modulus of continuity. The degree of approximation on deterministic signals is also given.
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| 关 键 词： | Szász型算子 Ditzian模 逆向 泊松过程 连续性 不等式 |
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