User profiles for Ali Bekar

Ali Can Bekar

- Verified email at email.arizona.edu - Cited by 242

Ali Bekar

- Verified email at bham.ac.uk - Cited by 94

Low-cost, high-resolution, drone-borne SAR imaging

A Bekar, M Antoniou, CJ Baker - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
This article develops and examines methods for the production of real-world, very high-resolution
imagery using a high-frequency drone-borne synthetic aperture radar (SAR) operating …

Coherent change detection for high-resolution drone-borne SAR at 24 GHz

A Bekar, M Bekar, CJ Baker… - IEEE Journal of Selected …, 2023 - ieeexplore.ieee.org
This article develops and examines techniques to enable coherent change detection (CCD)
for short-range, high-resolution drone-borne synthetic aperture radar (SAR) systems …

A nonlocal physics-informed deep learning framework using the peridynamic differential operator

E Haghighat, AC Bekar, E Madenci… - Computer Methods in …, 2021 - Elsevier
The Physics-Informed Neural Network (PINN) framework introduced recently incorporates
physics into deep learning, and offers a promising avenue for the solution of partial differential …

An unsupervised latent/output physics-informed convolutional-LSTM network for solving partial differential equations using peridynamic differential operator

A Mavi, AC Bekar, E Haghighat, E Madenci - Computer Methods in Applied …, 2023 - Elsevier
This study presents a novel unsupervised convolutional Neural Network (NN) architecture
with nonlocal interactions for solving Partial Differential Equations (PDEs). The nonlocal …

On the solution of hyperbolic equations using the peridynamic differential operator

AC Bekar, E Madenci, E Haghighat - Computer Methods in Applied …, 2022 - Elsevier
Numerical solution of hyperbolic differential equations, such as the advection equation, poses
challenges. Classically, this issue has been addressed by using a scheme known as the …

High-resolution drone-borne SAR using off-the-shelf high-frequency radars

A Bekar, M Antoniou, CJ Baker - 2021 IEEE Radar Conference …, 2021 - ieeexplore.ieee.org
This paper examines real-world, drone-borne SAR imaging using off-the-shelf radars
transmitting at frequencies of 24 and 77 GHz. Drone-borne systems have the potential to make …

Peridynamics enabled learning partial differential equations

AC Bekar, E Madenci - Journal of Computational Physics, 2021 - Elsevier
This study presents an approach to discover the significant terms in partial differential
equations (PDEs) that describe particular phenomena based on the measured data. The …

Accelerating the discovery of steady‐states of planetary interior dynamics with machine learning

…, C Hüttig, DS Greenberg, AC Bekar - Journal of …, 2025 - Wiley Online Library
Simulating mantle convection often requires reaching a computationally expensive steady‐state,
crucial for deriving scaling laws for thermal and dynamical flow properties and …

Change detection for high-resolution drone-borne sar at high frequencies-first results

A Bekar, M Antoniou, CJ Baker - 2023 IEEE Radar Conference …, 2023 - ieeexplore.ieee.org
This paper presents initial results of SAR imaging and change detection for a high-resolution
(6×30cm), short-range drone-borne radar system. A novel hybrid approach to change …

Solving the eikonal equation for compressional and shear waves in anisotropic media using peridynamic differential operator

AC Bekar, E Madenci, E Haghighat… - Geophysical Journal …, 2022 - academic.oup.com
Traveltimes of compressional (P) and shear (S) waves have proven essential in many
earthquake and exploration seismology applications. An accurate and efficient traveltime …