English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Zendy Open

Presents the pdf analysis as premium feature

PDF Analysis

Insights

Presents the summarisation as premium feature

Summarisation

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the zaia usage as premium feature

ZAIA

Zendy Tools

Zendy Plus

Presents the access of premium content as premium feature

Premium Content

We consider an inverse scattering problem to identify the locations or shapesof unknown anomalies from scattering parameter data collected by a small numberof dipole antennas. Most of researches does not considered the influence ofdipole antennas but in the experimental simulation, they are significantlyaffect to the identification of anomalies. Moreover, opposite to thetheoretical results, it is impossible to handle scattering parameter data whenthe locations of the transducer and receiver are the same in real-worldapplication. Motivated by this, we design an imaging function with and withoutdiagonal elements of the so-called scattering matrix. This concept is based onthe Born approximation and the physical interpretation of the measurement datawhen the locations of the transducer and receiver are the same and different.We carefully explore the mathematical structures of traditional and proposedimaging functions by finding relationships with the infinite series of Besselfunctions of integer order. The explored structures reveal certain propertiesof imaging functions and show why the proposed method is better than thetraditional approach. We present the experimental results for small andextended anomalies using synthetic and real data at several angular frequenciesto demonstrate the effectiveness of our technique.

Real-time microwave imaging of unknown anomalies via scattering matrix