Predicting Conformal Aperture Directivity for arbitrary Curved Surfaces: A comparison of Analytical and Measured Results
Wideband and Multi-Band Antennas and Arrays for Civil, Security and Military Applications(2015)
摘要
Conformal Antenna Arrays offer many advantages for aerospace platforms, especially if selected early in the platform design cycle. To this end a Conformal antenna array directivity equation is presented, allowing the benefits of a conformal antenna array to be explored and design trade-offs considered at an early stage. The Conformal Directivity equation is an extension of Hannan's equation for the maximum achievable directivity of a planar aperture within an infinite antenna array, and when compared to a uniform illumination model for a planar aperture for aperture areas above 0.5λ2 there is a maximum difference of 0.87dBi, and a mean difference of 0.49dBi.
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