## Chromatic Derivatives and Approximations in Practice—Part I: A General Framework

- Aleksandar Ignjatović, Chamith Wijenayake, Gabriele Keller
- IEEE Transactions on Signal Processing
- 2018

@article{Pirkl2017CovarianceME, title={Covariance Matrix Estimation for Broadband Underwater Noise}, author={Ryan Jesse Pirkl and Jason Matthew Aughenbaugh}, journal={IEEE Journal of Oceanic Engineering}, year={2017}, volume={42}, pages={936-947} }

- Published 2017 in IEEE Journal of Oceanic Engineering

In this paper, a technique is presented for frequency-smoothing the sample covariance matrix observed at the output of a set of elements or beams so as to obtain a frequency-smoothed estimate of the broadband noise covariance matrix due to underwater noise. The smoothing technique is based on a linear model that is derived through analysis of the delay… CONTINUE READING

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