top of page
Journal Papers:

  1. Lu Liu, J. Diao, and K. F. Warnick. “Array Antenna Gain Enhancement With the Poynting Streamline Method.” IEEE Antennas and Wireless Propagation Letters, Vol. 19, Iss. 1, 2020.

  2. J. Diao, Lu Liu, and K. F. Warnick. “An Intuitive Way to Understand Mutual Coupling Effects in Antenna Arrays Using the Poynting Streamline Method.” IEEE Trans. Antennas Propag., vol. 67, no. 2, pp. 884-891, Feb. 2019.

  3. D. Anish Roshi, W. Shillue, B. Simon, K. F. Warnick, B. Jeffs, D. J. Pisano, R. Prestage, S. White, J. R. Fisher, M. Morgan, R. Black, M. Burnett, J. Diao, M. Ruzindana, V. van Tonder, L. Hawkins, P. Marganian, T. Chamberlin, J. Ray, N. M. Pingel, K. Rajwade, D.R. Lorimer, M. A., McLaughlin, A. Rane, J. Castro, W. Groves, L. Jensen, J. D. Nelson, T. Boyd, and A. J. Beasley, “Performance of a highly sensitive, 19-element, dual-polarization, cryogenic phased array feed”. The Astrophysical Journal, vol. 155, no. 5, pp. 202, Apr. 2018.

  4. J. Diao, and K. F. Warnick. “Practical superdirectivity with resonant screened apertures motivated by a Poynting streamline analysis.” IEEE Trans. Antennas Propag., vol. 66, no. 1, pp. 432-437, Jan. 2018.

  5. J. Diao, J. W. Kunzler, and K. F. Warnick. “Sidelobe level estimation and efficiency optimization for wide scanned tiled aperiodic array antennas.” IEEE Trans. Antennas Propag., vol. 65, no. 12, pp. 7083-7090, Dec. 2017.

  6. J. Diao, and K. F. Warnick. “Antenna loss and receiving efficiency for mutually coupled arrays.” IEEE Trans. Antennas Propag., vol. 65, no. 11, pp. 5871-5877, Nov. 2017.

  7. J. Diao, and K. F. Warnick. “Poynting streamlines, effective area shape and the design of superdirective antenna.” IEEE Trans. Antennas Propag., vol. 65, no. 2, pp. 861-866, Feb. 2017.

  8. J. Diao, and K. F. Warnick. “On the bandwidth gap between the array feed and cluster feed regimes for broadband multifeed system.” IEEE Trans. Antennas Propag., vol. 64, no. 6, pp. 2207-2216, Jun. 2016. (This paper was nominated for IEEE Trans. Antennas Propag best paper award in 2016.)

  9. J. Diao, F. Yang, Z. P. Nie, J. Ouyang, and P. Yang. "Separated fractal antennas for improved emission performance of terahertz radiations." Journal of Electromagnetic Waves and Applications, vol. 26, no. 8-9, pp. 1158-1167, Jun. 2012.

  10. C. Wu, F. Yang, J. Diao, J. Yang, and H. Zhou. "An improved transient quasi-analysis method for offset reflector in impulse radiating antenna applications." Progress in Electromagnetics Research M, vol. 22, pp. 233-243, 2012.

  11. J. Diao, F. Yang, L. Du, J. Yang, and P. Yang. "Enhancing terahertz radiation from dipole photoconductive antenna by blending tips." Progress in Electromagnetics Research Letters, vol. 25, pp. 127-134, 2011.

  12. J. Diao, L. Du, J. Ouyang, P. Yang, and Z. P. Nie. "Enhanced center frequency of terahertz pulse emission from photoconductive antenna". Journal of Electromagnetic Waves and Applications, vol. 25, no. 16, pp. 2236-2243, 2011.

  13. J. Diao, M. Hedayati, R. U. Tok and Y. E. Wang, “Mechanical Rotational Arrays for Low Sidelobe Levels and High Angular Resolution”. IEEE Trans. Antennas Propag., in preparation.

  14. J. Diao, M. Hedayati and Y. E. Wang, “Experimental demonstration of beamforming arrays on flying mini-drones”. IEEE Trans. Antennas Propag., in preparation.

Conference Papers:

  1. Hedayati, Maziar, J. Diao, and Yuanxun Ethan Wang. "Adaptive Communications with Swarm Aperture." 2019 IEEE Radio and Wireless Symposium (RWS). IEEE, 2019.

  2. J. Diao, M Hedayati, and YE Wang, “Experimental Demonstration of Distributed Beamforming on Two Flying Mini-Drones,” URSI National Radio Science Meeting, Boulder, CO, Jan. 9-12, 2019.

  3. J. Diao, M Hedayati, RU Tok, and YE Wang, “Mechanical Rotating Arrays for Sidelobe Suppression,” URSI National Radio Science Meeting, Boulder, CO, Jan. 9-12, 2019.

  4. J. Diao, L. Liu and K. F. Warnick, “Understanding the Element-Gain Paradox for Receiving Arrays Using Poynting Streamlines,” 2018 IEEE International Symposium on Antennas and Propagation and CNC/USNC-URSI Meeting, Boston, July 8-13, 2018.

  5. J. Diao and Y. E. Wang, “Phased Array Antenna Design Based on Swarm Aperture,” 2018 IEEE International Symposium on Antennas and Propagation and CNC/USNC-URSI Meeting, Boston, July 8-13, 2018.

  6. J. Diao, M. Hedayati, Y, Huang and Y. E. Wang, “Adaptive wireless beamforming for swarm array,” URSI National Radio Science Meeting, Boulder, CO, Jan. 4-7, 2018.

  7. J. Diao and Y. E. Wang, “Analysis of 3-D phased array based on swarm aperture,” URSI National Radio Science Meeting, Boulder, CO, Jan. 4-7, 2018.

  8. J. Diao and K. F. Warnick, “Analysis of antenna loss and receiving efficiency for high-sensitivity scanned phased arrays,” URSI National Radio Science Meeting, Boulder, CO, Jan. 4-7, 2018.

  9. J. Diao and K. F. Warnick, “Analysis of the degree of practically achievable superdirectivity using Poynting streamline method,” 2017 IEEE International Symposium on Antennas and Propagation and CNC/USNC-URSI Meeting, San Diego, July 9-14, 2017.

  10. J. Diao and K. F. Warnick, “Beam scan angle dependence of array antenna loss and receiving efficiency,” 2017 IEEE International Symposium on Antennas and Propagation and CNC/USNC-URSI Meeting, San Diego, July 9-14, 2017.

  11. J. Diao, Jakob Kunzler and K. F. Warnick, “Optimization of rotated tiled aperiodic array antennas,” 2017 IEEE International Symposium on Antennas and Propagation and CNC/USNC-URSI Meeting, San Diego, July 9-14, 2017.

  12. J. Diao and K. F. Warnick, “Experimental demonstration of a superdirective horn antenna designed by Poynting streamline method,” URSI National Radio Science Meeting, Boulder, CO, Jan. 4-7, 2017.

  13. J. Diao, J. W. Kunzler, and K. F. Warnick, “Compromise between peak sidelobe level and element number and density for electrically scanned rotational aperiodic subarrays,” URSI National Radio Science Meeting, Boulder, CO, Jan. 4-7, 2017.

  14. J. Diao, R. Black, K. F. Warnick, B. D. Jeffs, N. Erickson, and G. Narayanan, “Experimental tests of a mm-wave array feed for the Green Bank Telescope,” 2016 IEEE International Symposium on Antennas and Propagation and CNC/USNC-URSI Meeting, Puerto Rico, June 26-July 1, 2016.

  15. J. Diao and K. F. Warnick, “Definition of effective area shape and guide for superdirective antenna design using Poynting streamlines analysis,” 2016 IEEE International Symposium on Antennas and Propagation and CNC/USNC-URSI Meeting, Puerto Rico, June 26-July 1, 2016.

  16. J. Diao, R. A. Black, K. F. Warnick, B. D. Jeffs, and N. Erickson, “Performance analysis of a mm-wave phased array feed for the Green Bank Telescope,” URSI National Radio Science Meeting, Boulder, CO, Jan. 6-9, 2016.

  17. R. A. Black, J. M. Brady, B. D. Jeffs, J. Diao, and K. F. Warnick, “Phased-array 64-element 20-MHz receiver for data capture and real-time beamforming,” URSI National Radio Science Meeting, Boulder, CO, Jan. 6-9, 2016.

  18. J. Diao, R. A Black, J. Brady, J. Sypherd, K. F. Warnick, and Brian D. Jeffs. "Modeling and system development for the FLAG L-band phased array feed for large-dish astronomical observations." 2015 IEEE International Symposium on Antennas and Propagation and CNC/USNC-URSI Meeting, Vancouver, 2015.

  19. N. R. Erickson, G. Narayanan, J. C. Bardin, K. F. Warnick, B. D. Jeffs, and J. Diao. "A 64 element, 70–95 GHz focal plane phased array." 2015 IEEE International Symposium on Antennas and Propagation and CNC/USNC-URSI Meeting, Vancouver, 2015.

  20. K. F. Warnick, B. D. Jeffs, J. Diao, R. Black, J. Brady, A. Roshi, B. Shillue, S. White, B. Simon, and R. Fisher. "Experimental tests and signal processing for a cryogenic L-band phased array feed on the Green Bank Telescope." In 2014 International Conference on Electromagnetics in Advanced Applications (ICEAA). 2014.

  21. W. Zeng, Z. Nie, and J. Diao. "A design of wide-band power amplifier for wireless communications." In Wireless Communications, Networking and Mobile Computing (WiCOM), 2011 7th International Conference on, pp. 1-4. IEEE, 2011.

bottom of page