Accession Number:

ADA528938

Title:

Radio Frequency Tomography for Tunnel Detection

Descriptive Note:

Journal article

Corporate Author:

AIR FORCE RESEARCH LAB ROME NY SENSORS DIRECTORATE

Report Date:

2010-03-01

Pagination or Media Count:

11.0

Abstract:

Radio frequency RF tomography is proposed to detect underground voids, such as tunnels or caches, over relatively wide areas of regard. The RF tomography approach requires a set of low-cost transmitters and receivers arbitrarily deployed on the surface of the ground or slightly buried. Using the principles of inverse scattering and diffraction tomography, a simplified theory for below-ground imaging is developed. In this paper the principles and motivations in support of RF tomography are introduced. Furthermore, several inversion schemes based on arbitrarily deployed sensors are devised. Then, limitations to performance and system considerations are discussed. Finally, the effectiveness of RF tomography is demonstrated by presenting images reconstructed via the processing of synthetic data.

Subject Categories:

  • Active and Passive Radar Detection and Equipment
  • Radiofrequency Wave Propagation

Distribution Statement:

APPROVED FOR PUBLIC RELEASE