Depolarizing trihedral corner reflectors for radar navigation and remote sensing

TitleDepolarizing trihedral corner reflectors for radar navigation and remote sensing
Publication TypeJournal Article
Year of Publication1995
AuthorsMichelson, D. G., and E. V. Jull
JournalAntennas and Propagation, IEEE Transactions on
Pagination513 -518
Date Publishedmay.
Keywordscircularly polarizing response, conducting fins, depolarizing trihedral corner reflectors, dimensions, electromagnetic wave polarisation, electromagnetic wave reflection, interior surfaces, orientation, radar, radar applications, radar equipment, radar navigation, radionavigation, rectangular corrugations, remote sensing, remote sensing by radar, triple-bounce reflections, twist-polarizing response

A conventional trihedral corner reflector can be modified to present either a twist-polarizing or a circularly polarizing response by adding conducting fins of rectangular corrugations of prescribed dimensions and orientation to one of its interior surfaces. Since the modified reflector retains most of the mechanical ruggedness and ease of manufacture of the original, it is suitable for deployment in the field for extended periods as required in radar navigation and remote sensing applications. For most directions of incidence the response of the reflector is dominated by triple-bounce reflections from the interior and is a function of the size and shape of the reflecting panels, the dimensions of the corrugations, and the orientation of the reflector with respect to the radar. Experimental results show that prototype twist-polarizing and circularly polarizing reflectors respond as predicted


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