Parameter estimation of linear and quadratic chirps by employing the fractional Fourier transform and a generalized time frequency transform

DOI10.1007/S12046-015-0380-8zbMath1331.94037OpenAlexW905438135MaRDI QIDQ5963529

Vikram M. Gadre, T. Meghasyam, Shishir B. Sahay, Gaurav Pooniwala, Sasank Chilamkurthy, Rahul K. Roy

Publication date: 22 February 2016

Published in: Sādhanā (Search for Journal in Brave)

Full work available at URL: https://www.ias.ac.in/describe/article/sadh/040/04/1049-1075

zbMATH Keywords

uncertainty principleeigenfunctionfractional Fourier transform (FrFT)generalized time-frequency transform (GTFT)instantaneous frequency (IF)mixture of chirp signalsmodel-dependent methods for chirp parameter estimationtime-frequency plane

Mathematics Subject Classification ID

Fractional derivatives and integrals (26A33) Signal theory (characterization, reconstruction, filtering, etc.) (94A12) Application of orthogonal and other special functions (94A11)

Related Items (2)

Generalized fractional ambiguity function and its applications ⋮ Adaptive generalised fractional spectrogram and its applications

Cites Work

• On the time-frequency detection of chirps
• The Fractional Order Fourier Transform and its Application to Quantum Mechanics
• An uncertainty principle for real signals in the fractional Fourier transform domain

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