Non-destructive testing of arbitrarily shaped refractive objects with millimetre-wave synthetic aperture radar imaging

I Ullmann, J Adametz, D Oppelt… - Journal of Sensors …, 2018 - jsss.copernicus.org
Millimetre-wave (mmW) imaging is an emerging technique for non-destructive testing. Since
many polymers are transparent in this frequency range, mmW imaging is an attractive …

Novel passive calibration method for fully polarimetric near field MIMO imaging radars

G Körner, D Oppelt, J Adametz… - 2019 12th German …, 2019 - ieeexplore.ieee.org
In this paper a novel method for calibration of multiple-input multiple-output (MIMO), fully
polarimetric near field radar systems is presented. The developed approach allows for the …

Fast terahertz coded-aperture imaging based on convolutional neural network

F Gan, C Luo, X Liu, H Wang, L Peng - Applied Sciences, 2020 - mdpi.com
Terahertz coded-aperture imaging (TCAI) has many advantages such as forward-looking
imaging, staring imaging and low cost and so forth. However, it is difficult to resolve the …

Phaseless terahertz coded-aperture imaging based on deep generative neural network

F Gan, Z Yuan, C Luo, H Wang - Remote Sensing, 2021 - mdpi.com
As a promising terahertz radar imaging technology, phaseless terahertz coded-aperture
imaging (PL-TCAI) has many advantages such as simple system structure, forward-looking …

Improving the Backprojection Algorithm with Ray Tracing

D Rhiem, A Froehly, P Wallrath - 2024 21st European Radar …, 2024 - ieeexplore.ieee.org
In this paper, we present a new method to improve image reconstruction by enhancing the
Backprojection algorithm through the inclusion of ray tracing in the phase compensation. We …

A multimodal radar-ultrasound imaging concept for improved display of concealed objects

I Ullmann, G Körner, J Adametz, M Vossiek - IEEE Access, 2019 - ieeexplore.ieee.org
Subsurface radar imaging provides an insight into hidden scenes: For example, in security
screening, radar can be used for the detection of dangerous objects or contraband. In non …

Nondestructive Inspection Methods for Liquid Deicer Storage Tanks

A Behravan, TQ Tran, MM DeJong, MS Shaikh… - 2022 - rosap.ntl.bts.gov
High-density polyethylene (HDPE) is widely used for above-ground storage tanks (ASTs).
However, there are currently no guidelines for non-destructive testing (NDT) and evaluation …

Calibration of MIMO fully polarimetric imaging radar systems with passive targets

G Körner, D Oppelt, J Adametz, M Vossiek - Frequenz, 2019 - degruyter.com
The performance of polarimetric imaging radar systems depends greatly on how well they
are calibrated. The complexity of the calibration procedure scales with the number of send …

[PDF][PDF] Phaseless Terahertz Coded-Aperture Imaging Based on Deep Generative Neural Network. Remote Sens. 2021, 13, 671

F Gan, Z Yuan, C Luo, H Wang, B Deng - 2021 - pdfs.semanticscholar.org
As a promising terahertz radar imaging technology, phaseless terahertz coded-aperture
imaging (PL-TCAI) has many advantages such as simple system structure, forward-looking …