Education History

  • BS Electrical Engineering, Rochester Institute of Technology
  • MS Electrical Engineering, Johns Hopkins University
  • Ph.D Electrical Engineering, George Washington University

Work Experience

Principal Professional Staff, JHU Applied Physics Laboratory

Publications

A. Sharma, C. Carpenter, S. Szczesniak, “Additive Manufactured Antenna for NASA’s Interstellar Mapping and Acceleration Probe (IMAP),” 2023 USNC-URSI Radio Science Meeting (USCN-URSI RSM), 2023.

D. Matlin, M. Dauberman, J. Dennison, M. Khalid, J. R. Rodriguez and A. Sharma, “RF Communications Subsystem for the NASA Interstellar Mapping and Acceleration Probe Mission,” 2023 IEEE Aerospace Conference, Big Sky, MT, USA, 2023, pp. 1-13, doi: 10.1109/AERO55745.2023.10115948.

A. Sharma, Robert K. Stilwell, Steve Szczesniak, “Metal 3D Printed Ka-Band Quad-Ridge Horn Antenna,” 2022 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting.

A. Sharma, C. Carpenter, J.R. Dennison, “Europa Clipper X-Band Antennas,” 2022 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting.

“IEEE International Network Generations Roadmap,” 3rd Edition, Contributor to the Satellite Chapter, 2022

O. Somerlock, A. Sharma, G.W. Heckler, “Adapting Commercial 5G Networks for Space,” 2022 IEEE Aerospace Conference, Big Sky, MT, 2021

J.R. Dennison, S. Cheng, A. Sharma, J. Lehtonen, N. Dalal, R.E. Wallis, D.E. Matlin, “X-band GaN SSPA for Near Earth and Deep Space Missions,” 2021 IEEE Aerospace Conference, Big Sky, MT, 2022

Nikoukar, R., P. Bernhardt, C. Haskins, J. Bradfield, B. Barnum, A Sharma, R. Erlandson, P Comely, C Cook “Next Generation of Ionosphere Radio Imaging Sensors”, in Heliophysics 2050: Measurements and Technologies Workshop, 2022.

A. Sharma, “3D Metal Printed Broadband X-Band Septum Polarizer”, IEEE AP-S Symposium on Antennas and Propagation, 2021.

A. Sharma, S. Cheng, J.R. Dennison, J. Lehtonen, R.E. Wallis, “Development and space qualification of GaN Solid State Power Amplifiers”, URSI General Assembly and Scientific Symposium, 2021

J.R. Dennison, S. Cheng, J. Lehtonen, A. Sharma, “IMAP X-Band 10W GaN SSPA Design and Test Results”, URSI General Assembly and Scientific Symposium, 2021

Y. Zhou, R. Lang, A. Sharma and P. O’Neill, “Active/Passive Remote Sensing of a Mature Soybean Canopy at L-band,” 2021 XXXIVth General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS), 2021, pp. 1-4, doi: 10.23919/URSIGASS51995.2021.9560299.

G. Heckler, B. Younes, J. Mitchell, N. Pham, A. Sharma, C. Haskins, E. Weir. “NASA’s Wideband Multilingual Terminal Efforts as a Key Building Block for a Future Interoperable Communications Architecture,” 26th Ka and Broadband Communications Conference, Washington DC, September, 2021.

D.J. Israel, J. Schier, A. Petro, W. Tai, E. Anzalone, A. Sharma, “LunaNet Architecture and Concept of Operations”, 16th International Conference on Space Operations, Cape Town, South Africa – 3 – 5 May 2021.

K. L. Morgan, J. Andrusenko, J. Z. Gehman, O. F. Somerlock, S. K. Yao and A. Sharma, “Lunar propagation modeling using 2D Parabolic Wave and 3D Ray Tracing Solvers at 1.8 GHz,” 2021 USNC-URSI Radio Science Meeting (USCN-URSI RSM), 2021, pp. 023-026, doi: 10.23919/USNC-URSIRSM52661.2021.9552342.

A. Sharma, M. Kurum and R. H. Lang, “The effect of dew on L- Band emissions from a vegetation canopy,” 2021 USNC-URSI Radio Science Meeting (USCN-URSI RSM), 2021, pp. 032-034, doi: 10.23919/USNC-URSIRSM52661.2021.9552355.

“IEEE International Network Generations Roadmap,” 2nd Edition, Contributor to Satellite Chapter, 2021

A. Sharma, C. Carpenter and J. Dennison, “Surface roughness effects on additively manufactured aluminum Ka-band waveguide,” 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, 2020, pp. 1307-1308, doi: 10.1109/IEEECONF35879.2020.9329866.

A. Sharma and J. T. Will, “Minimizing scattering from a densely packed antenna boom on the Europa Clipper Spacecraft,” 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, 2020, pp. 1155-1156, doi: 10.1109/IEEECONF35879.2020.9329991.

Y. Zhou, A. Sharma, R.H. Lang, M. Kurum, P. O’Neill, M.H. Cosh, “The backscattering contributions of soybean pods at L-band”, Journal: Remote Sensing of the Environment, 2020

A. Sharma, R.H. Lang, M. Kurum, P.E. O’Neill, M. Cosh, “L-band radar experiment and modeling of a corn canopy over a full growing season”, IEEE Trans. Geosci. Remote Sens., 99 (2020), pp. 1-15, 10.1109/TGRS.2020.2971539

J. Dennison, A. Sharma, S. Cheng, D. Caughran, An Adaptable, “Low Phase Noise Space Qualified Voltage Controlled Oscillator Design Using Discrete Components,” Microwave Technology and Techniques Workshop, ESA-ESTEC, 2019

A. Sharma, Y. Zhou, “Low-loss RF power combiner using rectangular coaxial structures”, Microwave Technology and Techniques Workshop, ESA-ESTEC, 2019

A. Sharma, Y. Zhou, R.H. Lang, M. Kurum, P.E. O’Neill, Modeling the scattering contributions of soybean pods and corn cobs, URSI AT-RASC 2018

D. Srinivasan, M. Angert, M. Ballarotto, S. Berman, M. Bray, R. Garvey, D. Hahne, C. Haskins, J. Porter, R. Schulze, C. Scott, A. Sharma, and C. Sheldon, “The Radio Frequency Telecommunications System for the NASA Europa Clipper Mission, International Astronautical Congress, 2017

R. H. Lang, A. Sharma, and M. Cosh, “Scattering from a layer of vegetation: Enhancement effects,” 2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), Fort Worth, TX, 2017, pp. 1419-1421, doi: 10.1109/IGARSS.2017.8127231.

A. Sharma, R.H. Lang, M. Kurum, P. O’Neill, M. Cosh, “Variations in Backscatter over a Corn Canopy’s Growing Season”, URSI General Assembly and Scientific Symposium, 2017

A. Sharma and R. H. Lang, “Antenna beamwidth effect in detecting microwave enhanced backscatter in a layer of vegetation,” 2017 United States National Committee of URSI National Radio Science Meeting (USNC-URSI NRSM), Boulder, CO, 2017, pp. 1-2, doi: 10.1109/USNC-URSI-NRSM.2017.7878314.

A. Sharma and R. H. Lang, “Small scale surface roughness effects on enhanced backscatter from a layer of vegetation,” 2017 USNC-URSI Radio Science Meeting (Joint with AP-S Symposium), San Diego, CA, 2017, pp. 59-60, doi: 10.1109/USNC-URSI.2017.8074896.

A. Sharma and R. K. Stilwell, “A low profile broadband UHF canted turnstile antenna phasing network,” 2017 USNC-URSI Radio Science Meeting (Joint with AP-S Symposium), San Diego, CA, 2017, pp. 117-118, doi: 10.1109/USNC-URSI.2017.8074925.

D. E. Matlin, A. Sharma, M. P. Angert, S. Cheng, and J. S. Lehtonen, “Development of a flight-qualified Ka-band multi-chip module for the solar probe plus mission,” 2017 IEEE Aerospace Conference, Big Sky, MT, 2017, pp. 1-6, doi: 10.1109/AERO.2017.7943879.

A. Sharma, S. Cheng, J. Lehtonen, A. Hong. S. Ling, R. Wallis, C. Sheldon, “High efficiency 25 Watt GaN X-band SSPA for deep space missions,” 2017 IEEE Aerospace Conference, Big Sky, MT, 2017, pp. 1-8, doi: 10.1109/AERO.2017.7943723.

R. J. Hearty, A. Sharma, E. Adams, and E. Hohlfeld, “UHF telecommunications design for an asteroid lander mission concept,” 2017 IEEE Aerospace Conference, Big Sky, MT, 2017, pp. 1-7, doi: 10.1109/AERO.2017.7943636.

A. Sharma and J. Ramirez, “3-D printed waveguide-fed X-Band helix antenna array,” 2016 IEEE International Symposium on Antennas and Propagation (APSURSI), Fajardo, 2016, pp. 479-480, doi: 10.1109/APS.2016.7695948.

A. Sharma, D. J. Hahne, R. K. Stilwell, and P. M. Malouf, “Antenna scattering measurements using a scaled 3-D printed spacecraft model,” 2016 IEEE International Symposium on Antennas and Propagation (APSURSI), Fajardo, 2016, pp. 471-472, doi: 10.1109/APS.2016.7695944.

E. Adams, E. Hohlfeld, S. Hill, V. Wilhelm, A. Sharma, B. Williams., S. Liang, “Asteroid in situ exploration using planetary object geophysical observer (POGO),” 2016 IEEE Aerospace Conference, Big Sky, MT, 2016, pp. 1-10, doi: 10.1109/AERO.2016.7500751.

A. Sharma, M. P. Angert, J. P. Treadway, Sheng Cheng, P. Malouf, and J. Lehtonen, “Ka-band I/Q modulator Multi-Chip Module for high data rate communications”, 2011 Aerospace Conference, Big Sky, MT, 2011, pp. 1-9, doi: 10.1109/AERO.2011.5747352.

A. Sharma, Predict Resonances of Shielded PCBs, Part 1, Microwaves and RF, July 2007

A. Sharma, Predict Resonances of Shielded PCBs, Part 2, Microwaves and RF, August 2007

Professional Organizations

Institute of Electrical and Electronics Engineers (IEEE)
International Union of Radio Science (URSI)