Search Results for author:
Found 11 papers, 7 papers with code
Low Complexity Radio Frequency Interference Mitigation for Radio Astronomy Using Large Antenna Array
In many cases, fast mitigation of strong radio frequency interference (RFI) is valuable for studying short lived radio transients so that the astronomers can perform detailed observations of celestial radio sources.
Frequency Estimation Using Complex-Valued Shifted Window Transformer
In this letter, we introduce 1-D real-valued and complex-valued shifted window (Swin) transformers, referred to as SwinFreq and CVSwinFreq, respectively, for line-spectra frequency estimation on 1-D complex-valued signals.
Emerging Approaches for THz Array Imaging: A Tutorial Review and Software Tool
This article provides a tutorial review of systems and algorithms for THz SAR in the near-field with an emphasis on emerging algorithms that combine signal processing and machine learning techniques.
Efficient CNN-based Super Resolution Algorithms for mmWave Mobile Radar Imaging
In this paper, we introduce an innovative super resolution approach to emerging modes of near-field synthetic aperture radar (SAR) imaging.
Improved Static Hand Gesture Classification on Deep Convolutional Neural Networks using Novel Sterile Training Technique
Applying the proposed data collection and training methods yields an increase in classification rate of static hand gestures from $85\%$ to $93\%$ and $90\%$ to $95\%$ for range and range-angle profiles, respectively.
Deep Learning-Based Multiband Signal Fusion for 3-D SAR Super-Resolution
Three-dimensional (3-D) synthetic aperture radar (SAR) is widely used in many security and industrial applications requiring high-resolution imaging of concealed or occluded objects.
Efficient 3-D Near-Field MIMO-SAR Imaging for Irregular Scanning Geometries
In this article, we introduce a novel algorithm for efficient near-field synthetic aperture radar (SAR) imaging for irregular scanning geometries.
Near-Field MIMO-ISAR Millimeter-Wave Imaging
While prior work in literature consists of single-input-single-output circular synthetic aperture radar (SISO-CSAR) algorithms or computationally sluggish MIMO-CSAR image reconstruction algorithms, this paper proposes a novel algorithm for efficient MIMO 3-D holographic imaging and details the design of a MIMO R-ISAR imaging system.
An FCNN-Based Super-Resolution mmWave Radar Framework for Contactless Musical Instrument Interface
While the proposed techniques are suitable for a host of tracking applications, this article focuses on their application as a musical interface to demonstrate the robustness of the gesture sensing pipeline and deep learning signal processing chain.
A Vision Transformer Approach for Efficient Near-Field Irregular SAR Super-Resolution
In this paper, we introduce a mobile-friend vision transformer (ViT) architecture to address position estimation error and perform SAR image super-resolution (SR) under irregular sampling geometries.
Two Dimensional Array Imaging with Beam Steered Data
Imaging of a two dimensional object requires reflected wave data to be collected across two distinct dimensions.
