Nicolas Le Bihan, Stephen J. Sangwine, Todd A. Ell. Instantaneous frequency and amplitude of orthocomplex modulated signals based on quaternion Fourier transform. Signal Processing, 94:308-318, 2014. [doi]
@article{BihanSE14,
title = {Instantaneous frequency and amplitude of orthocomplex modulated signals based on quaternion Fourier transform},
author = {Nicolas Le Bihan and Stephen J. Sangwine and Todd A. Ell},
year = {2014},
doi = {10.1016/j.sigpro.2013.06.028},
url = {http://dx.doi.org/10.1016/j.sigpro.2013.06.028},
researchr = {https://researchr.org/publication/BihanSE14},
cites = {0},
citedby = {0},
journal = {Signal Processing},
volume = {94},
pages = {308-318},
}