70 citations · 220 across the 9 of their papers we have counts for
7 papers · 1 filter
Frequency Estimation Using Complex-Valued Shifted Window Transformer
Josiah W. Smith, Murat Torlak
Estimating closely spaced frequency components of a signal is a fundamental problem in statistical signal processing. In this letter, we introduce 1-D real-valued and complex-value…
Emerging Approaches for THz Array Imaging: A Tutorial Review and Software Tool
Josiah W. Smith, Murat Torlak
Accelerated by the increasing attention drawn by 5G, 6G, and Internet of Things applications, communication and sensing technologies have rapidly evolved from millimeter-wave (mmWa…
Complex-Valued Neural Networks for Data-Driven Signal Processing and Signal Understanding
Josiah W. Smith
Complex-valued neural networks have emerged boasting superior modeling performance for many tasks across the signal processing, sensing, and communications arenas. However, develop…
Novel Hybrid-Learning Algorithms for Improved Millimeter-Wave Imaging Systems
Josiah Smith
Increasing attention is being paid to millimeter-wave (mmWave), 30 GHz to 300 GHz, and terahertz (THz), 300 GHz to 10 THz, sensing applications including security sensing, industri…
Efficient 3-D Near-Field MIMO-SAR Imaging for Irregular Scanning Geometries
Josiah Smith, Murat Torlak
In this article, we introduce a novel algorithm for efficient near-field synthetic aperture radar (SAR) imaging for irregular scanning geometries. With the emergence of fifth-gener…
Near-Field MIMO-ISAR Millimeter-Wave Imaging
Josiah W. Smith, Muhammet Emin Yanik, Murat Torlak
Multiple-input-multiple-output (MIMO) millimeter-wave (mmWave) sensors for synthetic aperture radar (SAR) and inverse SAR (ISAR) address the fundamental challenges of cost-effectiv…