<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The Linear Canonical Transform (LCT) is a four parameter class of integral transform which plays an important role in many fields of signal processing. Well-known transforms such as the Fourier Transform (FT), the FRactional Fourier Transform (FRFT), and the FreSnel Transform (FST) can be seen as special cases of the linear canonical transform. Many properties of the LCT are currently known but the extension of FRFTs and FTs still needs more attention. This paper presents a modified convolution and product theorem in the LCT domain derived by a representation transformation in quantum mechanics, which seems a convenient and concise method. It is compared with the existing convolution theorem for the LCT and is found to be a better and befitting proposition. Further, an application of filtering is presented by using the derived results.</p></abstract>

The Linear Canonical Transform (LCT) is a four parameter class of integral transform which plays an important role in many fields of signal processing. Well-known transforms such as the Fourier Transform (FT), the FRactional Fourier Transform (FRFT), and the FreSnel Transform (FST) can be seen as special cases of the linear canonical transform. Many properties of the LCT are currently known but the extension of FRFTs and FTs still needs more attention. This paper presents a modified convolution and product theorem in the LCT domain derived by a representation transformation in quantum mechanics, which seems a convenient and concise method. It is compared with the existing convolution theorem for the LCT and is found to be a better and befitting proposition. Further, an application of filtering is presented by using the derived results.

A modified convolution and product theorem for the linear canonical transform derived by representation transformation in quantum mechanics

Electronics and Communication Engineering Section, Yadavindra College of Engineering Punjabi University Guru Kashi Campus, Talwandi Sabo-151302, Punjab, India

Department of Electronics and Communication Engineering Thapar University, Patiala-147001, Punjab, India

International Journal of Applied Mathematics and Computer Science

The Linear Canonical Transform (LCT) is a four parameter class of integral transform which plays an important role in many fields of signal processing....

A modified convolution and product theorem for the linear canonical transform derived by representation transformation in quantum mechanics

Publié en ligne: 30 sept. 2013

Pages: 685 - 695

DOI: https://doi.org/10.2478/amcs-2013-0051

This content is open access.