Conformal array apertures have great potential for providing high performance, low weight systems with little or no impact to the aerodynamic design of the air vehicle. A performance analysis of conformal conical arrays for a national airborne radar application is presented. The conical array geometry is chosen for its similarity to an aircraft or missile nosecone. Performance capabilities are analyzed for a number of antenna performance parameters including scan volume, sidelobe levels, grating lobes, beamwidth, directivity, element count, and cross-polarization Manuscript
This paper presents an analysis of angle estimation using a single aperture multi-mode spiral. Simple, closed-form expressions for the modal outputs of the multi-mode spiral are derived and used in the angle estimation analysis. It is demonstrated that in addition to the classical phase Comparison method, modem super resolution techniques such as MUSIC and MLM can be applied to multi-mode antenna technology for angle estimation. It is M e r demonstrated that MUSIC and MLM algorithms can be adapted to work in the presence of jamming. Simulated results show that these new approaches give lower bias and variance and also extend coverage toward boresight compared to the traditional comparison method.
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