Implementation of Discrete Fourier Transform and Orthogonal Discrete Wavelet Transform in Python
Journal: Journal of Independent Studies and Research - Computing (Vol.14, No. 1)Publication Date: 2016-06-01
Authors : Tariq Javid Ali Pervez Akhtar Muhammad Faris Idris Mala; Syed Saood Zia;
Page : 1-11
Keywords : ;
Abstract
This paper presents implementation of Discrete Fourier Transform and Orthogonal Discrete Wavelet Transform in Python computer programming language. The Fourier Transform is a fundamental signal processing tool whereas the Wavelet Transform is a powerful and advanced signal processing tool. Both have applications in numerous scientific and engineering disciplines. Our implementation aims to develop a deeper understanding of these transformations by presenting detailed coding steps to generate the frequency-domain and wavelet-domain outputs for selected example time-domain input signals. The results generated from developed program code are compared using built-in functions with similar matches have shown the successful implementation.
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