N Sugavanam, S Baskar, E Ertin - IEEE Transactions on Signal …, 2022 - ieeexplore.ieee.org
We present a compressive radar design that combines multitone linear frequency modulated (LFM) waveforms in the transmitter with a classical stretch processor and sub-Nyquist …
N Sugavanam, E Ertin - 2022 IEEE Radar Conference …, 2022 - ieeexplore.ieee.org
We study different modeling approaches to anisotropic scattering from man-made objects to derive novel solutions to the 3D imaging problem from multi-pass circular synthetic aperture …
N Sugavanam, E Ertin… - 2023 IEEE International …, 2023 - ieeexplore.ieee.org
A synthetic aperture radar (SAR) collects samples of the three-dimensional (3D) spatial Fourier transform of the scene on a two dimensional conical manifold corresponding to the …
Generative models learned from training using deep learning methods can be used as priors in under-determined inverse problems, including imaging from sparse set of …
N Sugavanam, E Ertin… - IET Radar, Sonar & …, 2019 - Wiley Online Library
Here, the authors study the modelling of bistatic synthetic aperture radar (SAR) target signatures. They focus on building concise models inspired by physical phenomenology that …
N Sugavanam, E Ertin - 2023 57th Asilomar Conference on …, 2023 - ieeexplore.ieee.org
Synthetic aperture radar (SAR) collects samples of the 3D Spatial Fourier transform on a two- dimensional manifold corresponding to the backscatter data of wideband pulses launched …
Synthetic aperture radar (SAR) collects samples of the 3D Spatial Fourier transform on a two- dimensional surfaces corresponding to the backscatter data of wideband pulses launched …
Ice sheets are fundamental components of the Earth's system that impact the climate through their contribution to global sea level. Knowledge of an ice sheet's internal temperature is …
N Sugavanam, E Ertin - 2023 IEEE Radar Conference …, 2023 - ieeexplore.ieee.org
The wavelength used for illumination dictates the scale of the mechanisms that interact with the incident electromagnetic (EM) energy. We model the synthetic Aperture Radar Image of …