Imaging Performance of Extended Rytov Approximation With and Without Phase Data

The recently proposed extended phaseless Rytov approximation for lossy media (xPRA-LM) has been shown to have good potential as a phaseless inverse scattering technique for strong scattering and low-loss conditions. xPRA-LM's linear phaseless form along with its large validity range makes it a...

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Bibliographic Details
Published in2024 IEEE International Symposium on Antennas and Propagation and INC/USNC‐URSI Radio Science Meeting (AP-S/INC-USNC-URSI) pp. 435 - 436
Main Authors Dubey, Amartansh, Li, Zan, Murch, Ross
Format Conference Proceeding
LanguageEnglish
Published IEEE 14.07.2024
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Summary:The recently proposed extended phaseless Rytov approximation for lossy media (xPRA-LM) has been shown to have good potential as a phaseless inverse scattering technique for strong scattering and low-loss conditions. xPRA-LM's linear phaseless form along with its large validity range makes it a practically feasible inverse scattering technique for real-world applications. In this work, we provide the with-phase form of xPRA-LM under strong scattering, low-loss media and compare its performance with the original phaseless form. xPRA-LM has opened up a new paradigm of practically feasible inverse scattering frameworks that can be used for large-scale radio and microwave imaging applications (such as indoor imaging using Wi-Fi signals). Hence, formulating and comparing its with-phase form can be highly useful in evaluating further research directions.
ISSN:1947-1491
DOI:10.1109/AP-S/INC-USNC-URSI52054.2024.10686319