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北京邮电大学信息工程系信息安全国家重点实验室
纸质出版:1995
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[1]林须端,胡正名,蔡长年.有限域上任意长度的DFT[J].电子学报,1995(01):1-7.
林须端, 胡正名, 蔡长年. Discrete Fourier Transform of Arbitrary Blocklength in Finite Fields[J]. Acta Electronica Sinica, 1995, (1).
[1]林须端,胡正名,蔡长年.有限域上任意长度的DFT[J].电子学报,1995(01):1-7. DOI:
林须端, 胡正名, 蔡长年. Discrete Fourier Transform of Arbitrary Blocklength in Finite Fields[J]. Acta Electronica Sinica, 1995, (1). DOI:
有限域上的DFT在数字信号处理、纠错码和密码等领域都有重要应用;通常的有限域上DFT仅限于长度与有限域特征互素的情形,它远远不能满足处理任意长度数据的需要.本文提出了有限域上任意长度的DFT,研究了新变换的有关性质,并讨论了它在密码、编码中的应用.
Discrete Fourier Transform in finite fields has a wide range of applications
especially in digital signal processing
coding and cryptology.The conventional DFT in finite fields exists only for blocklength which is co-prime with the characteristics of the fields
so it can not be used to process the data with any other blocklengths.In this paper
a new DFT of arbitrary blocklength in finite fields is proposed
and the related properties of the new DFT are investigated
its applications in cryptology and coding are also discussed.
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