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JacobCompaleo_Thesis.pdf (11.31 MB)

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Impact of Near-field-to-far-field Transformation on SAR Images Formed in an Indoor Non-anechoic Environment

Compaleo, Jacob D.
http://orcid.org/0000-0002-7075-3118
http://rave.ohiolink.edu/etdc/view?acc_num=wright1533206365760924

Abstract Details

2018, Master of Science in Electrical Engineering (MSEE), Wright State University, Electrical Engineering.
This work investigates the impact of the near-field-to-far-field transformation (NFFFT) algorithm on phase history measurement collections completed in the Sensors and Signals Exploitation Laboratory (SSEL). SSEL is an indoor non-anechoic environ- ment that is at risk to some measurement interferences such as multiple bounces. Complete 360-degree phase history measurements of scale model aircraft are con- ducted at varying range values within the near-field limit. These measurements are calibrated with the Mie series scattering solution for a sphere. After calibration, the measurements are transformed using the NFFFT, with radar cross-section (RCS) estimated. RCS of the transformed data is compared with the RCS of the near-field calibrated, and also far-field calibrated data. Well-known imaging algorithms the polar format algorithm (PFA) and convolution back-projection algorithm are used to form SAR images of the targets. Agreement in RCS within 4 dBsm is shown be- tween the transformed data and far-field calibrated data, rather than the near-field calibrated data. The NFFFT algorithm is shown to be suitable for use in the SSEL measurement environment.
Michael Saville, Ph.D., P.E. (Advisor)
Joshua Ash, Ph.D. (Committee Member)
Fred Garber, Ph.D. (Committee Member)
112 p.
Electrical Engineering
NFFFT; SAR; Radar; near-field; far-field; non-anechoic; transform; PFA; imaging

Recommended Citations

Citations

  • Compaleo, J. D. (2018). Impact of Near-field-to-far-field Transformation on SAR Images Formed in an Indoor Non-anechoic Environment [Master's thesis, Wright State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=wright1533206365760924

    APA Style (7th edition)

  • Compaleo, Jacob. Impact of Near-field-to-far-field Transformation on SAR Images Formed in an Indoor Non-anechoic Environment. 2018. Wright State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=wright1533206365760924.

    MLA Style (8th edition)

  • Compaleo, Jacob. "Impact of Near-field-to-far-field Transformation on SAR Images Formed in an Indoor Non-anechoic Environment." Master's thesis, Wright State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=wright1533206365760924

    Chicago Manual of Style (17th edition)

wright1533206365760924
559
© 2018, some rights reserved.Creative Commons License Impact of Near-field-to-far-field Transformation on SAR Images Formed in an Indoor Non-anechoic Environment by Jacob D. Compaleo is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License. Based on a work at etd.ohiolink.edu.
This open access ETD is published by Wright State University and OhioLINK.