Detection of mobile targets from a moving platform using an actively shielded, adaptively balanced SQUID gradiometer

IEEE Transactions on Applied Superconductivity

Volumn 15, Issue 2 PART I, 2005, Pages 753-756

  Humphrey, Kevin P ^a   Horton, Thomas J ^a   Keene, Mark N ^a  

^a QINETIQ   (United Kingdom)

Author keywords

Active shielding; Gradiometer; Magnetic anomaly detection; SQUID

Indexed keywords

BANDWIDTH; MAGNETOMETERS; MATHEMATICAL MODELS; MOBILE TELECOMMUNICATION SYSTEMS; SIGNAL TO NOISE RATIO; TENSORS;

ACTIVE SHIELDING; GRADIENT TENSORS; HELMHOLTZ COILS; MAGNETIC ANOMALY DETECTION;

SQUIDS;

EID: 22044442556     PISSN: 10518223     EISSN: None     Source Type: Journal    
DOI: 10.1109/TASC.2005.850038     Document Type: Conference Paper

References (12)

1. M. Hirota, T. Furuse, K. Ebana, H. Kubo, K. Tsushima, T. Inaba, A. Shima, M. Fujinuma, and N. Tojyo, "Magnetic detection of a surface ship by an airborne LTS SQUID MAD," IEEE Trans. Appl. Supercond., vol. 11, pp. 884-887, 2001.
2. T. R. Clem, M. C. Froelich, D. J. Overway, J. W. Purpura, R. F. Wiegert, R. H. Koch, D. K. Lathrop, J. Rozen, J. H. Eraker, and J. M. Schmidt, "Advances in sensor development and demonstration of superconducting gradiometers for mobile operation," IEEE Trans. Appl. Supercond., vol. 7, pp. 3287-3293, 1997.
3. c SQUID gradiometer for mobile magnetic anomaly detection," IEEE Trans. Appl. Supercond., vol. 11, pp. 871-875, 2001.
4. C. P. Foley, K. E. Leslie, R. A. Binks, S. H. K. Lam, J. Du, D. L. Tilbrook, E. E. Mitchell, J. C. Macfarlane, J. B. Lee, R. Turner, M. Downey, and A. Maddever, "Issues relating to airborne applications of HTS SQUIDs," Supercond. Sci. Technol., vol. 15, pp. 1641-1645, 2002.
5. W. M. Wynn, "Magnetic dipole localization using the gradient rate tensor measured by a five-axis magnetic gradiometer with known velocity," in SPIE Aerosense Proceed., vol. 2496, 1995, pp. 357-367.
6. M. Bick, K. E. Leslie, R. A. Binks, D. L. Tilbrook, S. K. H. Lam, R. Gnanarajan, J. Du, and C. P. Foley, "Axial high-temperature superconducting gradiometer with a flexible flux transformer," Appl. Phys. Lett., vol. 84, pp. 5347-5349, 2004.
7. R. H. Koch, "Gradiometer Having a Magnetometer Which Cancels Background Magnetic Field From Other Magnetometers," U.S. Patent 5122 744, 1992.
8. M. N. Keene and J. S. Satchell, "Magnetic Gradiometer Incorporating Global Feedback," U.S. Patent 6 339 328, 2002.
9. M. N. Keene, N. J. Exon, R. G. Humphreys, and J. S. Satchell, "A HTS gradiometer for unshielded operation from moving platforms," in Extended Abstracts International Superconductive Electronics Conf., Berkeley, CA, 1999, pp. 566-568.
10. M. N. Keene, K. P. Humphrey, and T. J. Horton, Actively Shielded, Adaptively Balanced SQUID Gradiometer System for Operation Aboard Moving Platforms, 2005.
11. N. J. Exon, M. N. Keene, J. S. Satchell, N. G. Chew, M. J. Wooliscroft, K. Lander, and R. G. Humphreys, "A low noise HTS SQUID magnetometer with an on-chip pickup loop coupled with an intermediate flux transformer," Appl. Supercond., vol. 6, pp. 663-667, 1998.
12. R. H. Koch, V. Foglietti, J. R. Rozen, K. G. Stawiasz, M. B. Kelchen, D. K. Lathrop, J. Z. Sun, and W. J. Gallagher, "Effects of radio frequency radiation on the dc SQUID," Appl. Phys. Lett., vol. 65, pp. 100-102, 1994.