Image of Bradley Orchard

Bradley John Orchard, Ph.D.

Adjunct Faculty

Department
Mathematics & Statistics
Email
Bradley_Orchard@uml.edu
Links

Research Interests

Applied mathematics, acoustic and EM wave propagation, adaptive signal processing, remote sensing, ionospheric effects on long-range communication and radar systems, computer modeling and simulation for applications in physical sciences and engineering.

Education

  • Ph.D. Mathematics, Rensselaer Polytechnic Institute, Troy, NY, 1991 
  • M.S. Mathematics, University of Illinois at Chicago, Chicago, IL, 1987 
  • B.S. Mathematics, Loyola University Chicago, Chicago, IL, 1980

Selected Publications

Journal Articles

  • Nguyen, D.H., Benitz, G.R., Kay, J.H., Orchard, B.J., and Whiting, R.H., "Super-resolution HRR ATR with HDVI," IEEE Transactions on Aerospace and Electronics Systems, 37(4), October 2001.
  • Nguyen, D.H., Kay, J.H., Orchard, B.J., and Whiting, R.H., "Moving Target Classification and Tracking," MIT Lincoln Laboratory Journal, Vol. 13(2), 2002.
  • Orchard, B.J., Siegmann, W.L., G.J. Habetler, Jacobson, M.J., "Stability Analyses of Time-Domain Paraxial Approximations," J. Acoust. Soc. Am., 93, 1335-1352 (1993).
  • Orchard, B.J., Fromm, D.M., and Wolf, S.N., "Bistatic Reverberation, Target Echo, and Signal Excess Dependence on Array Types and Configurations in a Range-Dependent Shallow Water Environment (U)," U.S. Navy Journal of Underwater Acoustics (Oct. 1992). (SECRET)
  • Orchard, B.J., Siegmann, W.L., Jacobson, M.J., "Three-Dimensional Time-Domain Paraxial Approximations for Ocean Acoustic Wave Propagation," J. Acoust. Soc. Am., 788-801 (1992).
  • Claugh, S., Tripathy, S.K., Sun, X., and Orchard, B.J., "Comment on Random Versus Non-Random Defect Placement in Poly(acetylene)," Makromol. Chem., Rapid Commun., 9, 535-538 (1988).
  • Hall, L.H., Orchard, B.J., and Tripathy, S.K., "The Structure and Properties of Flavins: Molecular Orbital Study Based on Totally Optimized Geometries. I. Molecular Geometry Investigations," International Journal of Quantum Chemistry, 31, 195-216 (1987).
  • Orchard, B.J., Pearlstein, R.A., Tripathy, S.K., Hopfinger, A.J., and Taylor, P.L., "Conformational Analysis of Isotactic Poly(styrene) Based Upon a Revised Interaction Counting Method," Journal of Computational Chemistry, 8(1), 28-38 (1987).
  • Hall, L.H., Orchard, B.J., and Tripathy, S.K., "The Structure and Properties of Flavins: Molecular Orbital Study Based Upon Totally Optimized Geometries. II. Molecular Orbital Structure and Electron Distribution," International Journal of Quantum Chemistry, 31, 217-242 (1987).
  • Orchard, B.J. and Tripathy, S.K., "Electronic Structure and Property Modification of Poly(diacetylenes)," Macromolecules, 19(7), 1844-1851 (1986).
  • Orchard, B.J., Friedenriech, B., and Tripathy, S.K., "Theoretical Structural Study of Poly(pyrrole) and Poly(thiophene)," Polymer, 27, 1533-1541 (1986).
  • Jacobson, S.H., Pearlstein, R.A., Hopfinger, A.J., Tripathy, S.K., Orchard, B.J., Potenzone, R., Doherty, D., and Grigoras, S., "Applications of Molecular Modelling to Problems in Chemical Research and Development," Scientific Computing and Automation, 1(2), 34 (1984).
  • Orchard, B.J., Tan, J.S., and Hopfinger, A.J., "Molecular Modelling of Polymer-Dye Complexes Involving Homopolymers of Poly(N-Vinyl-Imidazole) and Methyl Orange," Macromolecules, 17(2), 169-174 (1984).
  • Orchard, B.J., Tripathy, S.K., Hopfinger, A.J., and Taylor, P.L., "Conformational and Lattice packing Analyses of Poly(acetylene)," J. Appl. Phys., 52(10), 5949-5953 (1981).

Conference Proceedings

  • Nguyen, D.H., Kay, J.H., Orchard, B.J., Weatherwax, J.L., and Whiting, R.H., "Ground Moving Targets Move-stop-move Mitigation with Feature-aided Tracking," Proceedings of the Automatic Target Recognition Science and Technology Conference, October 2002.
  • Nguyen, D.H., Kay, J.H., Orchard, B.J., and Whiting, R.H., "Feature-aided Tracking of Ground Moving Vehicles," Proceedings of the SPIE Conference on Algorithms for Synthetic Aperture Imagery, Orlando, FL., 2002.
  • Nguyen, D.H., Kay, J.H., Orchard, B.J., Benitz, G.R., and Whiting, R.H., "Improving HRR ATR Performance at Low SNR by Multi-look Adaptive Weighting", SPIE Aerosense Proceedings 2001, Vol. 4739, pp. 266-276.
  • Nguyen, D.H., Kay, J.H., Orchard, B.J., and Whiting, R.H., "Classification-aided Tracking," Proceedings of the Eighth Science and Technology Symposium on Automatic Target Recognition Science and Technology Conference, July 2001.
  • Cooper, D.K., Orchard, B.J. and Wolf, S.N., "Environmentally Adaptive Depth Discriminates in Shallow Water," Proceedings of the Naval Symposium on Underwater Acoustics, June 1994, The Journal of Underwater Acoustics, July 1994, and The Proceedings of The Technical Cooperative Program (TTCP), July 1994.
  • Wolf, S.N., Cooper, D.K., and Orchard, B.J., "Environmentally Adaptive Signal Processing," Proceedings of the Oceans Conference, 1993.
  • Luther, K.H., Fromm, D.M., Orchard, B.J., "Computational Efficiency in a Bistatic, Range-Dependent, Normal-Mode Acoustic Reverberation Model, " TTCP Proceedings (1992).

Theses

  • Orchard, B.J., "Derivation and Analysis of Time-Domain Paraxial Approximations for Ocean Acoustic Wave Propagation," Ph.D. Thesis, Rensselaer Polytechnic Institute, Troy, NY (1991).
  • Orchard, B.J., "Theoretical Conformational Analyses of Polymeric Systems," M.S. Thesis, Case Western Reserve University, Cleveland, OH (1982).