Uncertainty Inequalities for the Linear Canonical Hilbert Transform

Uncertainty Inequalities for the Linear Canonical Hilbert Transform
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线性正则希尔伯特变换的不确定性不等式

DOI:
10.1007/s00034-018-0780-1
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发表时间:
2018-03
影响因子:
2.3
通讯作者:
Lei Huang
Lei Huang
中科院分区:
工程技术3区
文献类型:
--
作者:
Shuiqing Xu;Yi Chai;Youqiang Hu;Li Feng;Lei Huang

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海森伯测不准原理在信号处理、应用数学和物理界起着重要的作用。将传统的测不准原理推广到新的变换,近年来受到了广泛的关注。本文研究了线性正则Hilbert变换(LCHT)下的不确定性不等式.首先,研究了与一维LCHT相关的复信号的不确定性原理。随后,提出了由二维LCHT导出的复信号的不确定性不等式。结果表明,在LCT域中,由LCHT导出的复信号的不确定性界不同于一般复信号。最后给出了算例和潜在的应用,以说明所得结果的正确性和实用性。因此,本文提出的测不准原理不仅可以丰富经典测不准原理的系综,而且也可以有许多真实的应用。
The Heisenberg uncertainty principle plays an important role in signal processing, applied mathematical and physics community. The extensions of the traditional uncertainty principle to the novel transforms have received considerable attention recently. In this paper, the uncertainty inequalities under the linear canonical Hilbert transform (LCHT) are considered. First, the uncertainty principle for the complex signals associated with the one-dimensional LCHT is investigated. Subsequently, the uncertainty inequality for the complex signals derived by the two-dimensional LCHT is proposed. It is shown that the uncertainty bounds for the complex signals derived by LCHT are different from the general complex signals in the LCT domain. In addition, the example and potential applications are also presented to show the correctness and useful of the derived results. Therefore, the uncertainty principles presented here not only can enrich the ensemble of the classical uncertainty principle, but can have many real applications too.
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