All Stories

  1. Families of multi-dimensional arrays with optimal correlations between all members

    Article • Electronics Letters, July 2015, the Institution of Engineering and Technology (the IET)

    Dr Andrew Tirkel

  2. Excitation of low loss HE11 modes on an acupuncture-like needle

    Article • September 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Andrew Tirkel

  3. Families of 3D Arrays for Video Watermarking

    Article • January 2014, Springer Science + Business Media

    Dr Andrew Tirkel

  4. A Construction for Perfect Periodic Autocorrelation Sequences

    Article • January 2014, Springer Science + Business Media

    Dr Andrew Tirkel

  5. Arrays over roots of unity with perfect autocorrelation and good ZCZ cross-correlation

    Article • Advances in Mathematics of Communications, July 2013, American Institute of Mathematical Sciences (AIMS)

    Dr Andrew Tirkel

  6. Radar imaging: Conventional and MIMO

    Article • August 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Andrew Tirkel

  7. New Optimal Low Correlation Sequences for Wireless Communications

    Article • January 2012, Springer Science + Business Media

    Dr Andrew Tirkel

  8. Three-dimensional periodic optical orthogonal code for OCDMA systems

    Article • October 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Andrew Tirkel

  9. Multi-dimensional arrays for watermarking

    Article • July 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Andrew Tirkel

  10. Collusion resistant fingerprinting of digital audio

    Article • January 2011, ACM (Association for Computing Machinery)

    Dr Andrew Tirkel

  11. New Families of 2D & 3D Arrays for Sub-image Watermarking

    Article • September 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Andrew Tirkel

  12. New families of arrays in two dimensions for watermarking applications

    Article • Electronics Letters, January 2010, the Institution of Engineering and Technology (the IET)

    Dr Andrew Tirkel

  13. Hybrid array for the detection and imaging of termites

    Article • January 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Andrew Tirkel

  14. MODIFIED MATRIX PENCIL ALGORITHM FOR TERMITE DETECTION WITH HIGH RESOLUTION RADAR

    Article • Progress In Electromagnetics Research C, January 2010, EMW Publishing

    Dr Andrew Tirkel

  15. The application of the matrix pencil and beamforming to determine the presence of termites in situ EUROCON 2009

    Article • May 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Andrew Tirkel

  16. New Matrices with Good Auto and Cross-Correlation

    Article • IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences, September 2006, Institute of Electronics, Information and Communications Engineers (IEICE)

    Dr Andrew Tirkel

  17. Matrix construction using cyclic shifts of a column

    Article • January 2005, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Andrew Tirkel

  18. New Sets of Binary and Ternary Sequences with Low Correlation

    Article • January 2005, Springer Science + Business Media

    Dr Andrew Tirkel

  19. A unique watermark for every image

    Article • IEEE Multimedia, January 2001, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Andrew Tirkel

  20. Watermarking at point of origin

    Article • January 2000, ACM (Association for Computing Machinery)

    Dr Andrew Tirkel

  21. Image and watermark registration

    Article • Signal Processing, May 1998, Elsevier

    Dr Andrew Tirkel

  22. Effects of bias and characteristic phase on the crosscorrelation of m-sequences

    Article • IEE Proceedings - Communications, January 1997, the Institution of Engineering and Technology (the IET)

    Dr Andrew Tirkel

  23. Maximal connected sets—application to microcell CDMA

    Article • International Journal of Communication Systems, January 1994, Wiley

    Dr Andrew Tirkel

  24. Detection of Internal Defects by Microwave Time Delay Spectroscopy

    Article • October 1992, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Andrew Tirkel

  25. Active sensing of spatial defects using a microwave imager

    Article • January 1990, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Andrew Tirkel

  26. Millimetre wave spectra for solid samples in pulsed magnetic fields

    Article • Journal of Physics E Scientific Instruments, October 1981, Institute of Physics Publishing

    Dr Andrew Tirkel

  27. Frequency Stabilization Requirements for Modern Millimeter Wave Systems

    Article • January 1981, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Andrew Tirkel

  28. A precise definition of chaos

    Article • Nature, November 1976, Springer Science + Business Media

    Dr Andrew Tirkel

  29. Fluctuation-generated Plasma Oscillations

    Article • Australian Journal of Physics, January 1975, CSIRO Publishing

    Dr Andrew Tirkel

  30. A high sensitivity spectrometer for millimetre waves

    Article • Journal of Physics E Scientific Instruments, December 1974, Institute of Physics Publishing

    Dr Andrew Tirkel

  31. Photon Mass and New Experimental Results on Longitudinal Displacements of Laser Beams near Total Reflection

    Article • Physical Review Letters, June 1972, American Physical Society (APS)

    Dr Andrew Tirkel

  32. Beamforming for broadband imaging FMCW radar

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Dr Andrew Tirkel

  33. A digital watermark

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Dr Andrew Tirkel

  34. Matrices with bounded correlation

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Dr Andrew Tirkel

  35. Secure arrays for digital watermarking

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Dr Andrew Tirkel

  36. Cross correlation of m-sequences-some unusual coincidences

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Dr Andrew Tirkel

  37. Image watermarking-a spread spectrum application

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Dr Andrew Tirkel

  38. Detection of Buried Defects in Dielectric Materials Using Radar

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Dr Andrew Tirkel

  39. Cross-correlation of binary m and GMW arrays

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Dr Andrew Tirkel

  40. Key independent watermark detection

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Dr Andrew Tirkel

  41. High resolution polarimetric FMCW radar

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Dr Andrew Tirkel

  42. Discrete angle watermark encoding and recovery

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Dr Andrew Tirkel

  43. A new class of spreading sequences

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Dr Andrew Tirkel

  44. Sequences with large ZCZ

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Dr Andrew Tirkel