| 关于Z域取样定理和内插公式的进一步研究 |
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| 引用本文： | 史萍.关于Z域取样定理和内插公式的进一步研究[J].中国传媒大学学报,2002,9(2):31-35. |
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| 作者姓名： | 史萍 |
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| 作者单位： | 北京广播学院,电子信息工程系,北京,100024 |
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| 摘 要： | z域取样定理和内插公式在数字信号处理领域中有着非常重要的作用,但它是基于在单位圆上进行取样的.通过对取样及内插的进一步研究,提出并论证了适用面更为广泛的取样定理及内插公式,即取样点不在单位圆上,而是在与单位圆同圆心而不同半径的圆周上时,相应的取样定理和内插公式.
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| 关 键 词： | 取样定理 内插公式 单位圆 z平面 |
| 文章编号： | 1007-8819(2002)02-0031-05 |
| 修稿时间： | 2002年3月5日 |
The Further Study of Sampling Theorem and Interpolation Formula in z Domain |
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| SHI Ping.The Further Study of Sampling Theorem and Interpolation Formula in z Domain[J].Journal of Communication University of China Science and TEchnology,2002,9(2):31-35. |
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| Authors: | SHI Ping |
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| Abstract: | Sampling theorem and interpolation formula in z domain plays a very important role in the field of digital signal processing. However,the sampling is limited on the unit circle in z plane. By further study on sampling and interpolation,the paper presents and proves a new form of sampling theorem and interpolation formula which can be applicable to more situations,that is the sampling can not only be on the unit circle in z plane,but also be on other circles which have the same centre as the unit circle. |
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| Keywords: | Sampling Theorem Interpolation Formula Unit Circle z Domain |
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