Date of Completion

Spring 5-2-2017

Campus Location

Marietta

Document Type

Thesis

Chair

Lance Crimm, M.S.E.E., P.E.

Committee Chair/First Advisor

Kami Anderson, Ph.D.

Faculty Advisor

Theodore Grosch, Ph.D.

Abstract

The range calculation for an FMCW radar depends on accurate linear modulation. In some circumstances, linear modulation may not be available and must be corrected for. This paper describes an autofocus technique used to correct for phase error due to non-linearities in the components of a FMCW radar. Also described here is the algorithm used in calculating the phase error and application of the phase correction with triangle modulation. Known errors were calculated at certain distances and applied to correcting the phase of data taken at similar distances. The results given were generated using a SAR working outside linear ranges.

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