3 November 1998 Dynamic null steering for broadband phased-array antennas via photonic processing
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Abstract
This paper presents a novel architecture for independently steering broadband nulls for phased array antennas. Measurements taken over a ten percent fractional bandwidth on a three-element proof-of-concept system shows a null depth of better than 40 dB uniform across the entire band in this laboratory setup. The architecture presented is best suited for small antenna array applications, for example, self-guided airborne munitions.In a fully integrated, optimized system, null depths of 50-70 dB or greater across a multi-gigahertz bandwidth are anticipated and the critical factors, which influence this performance, are examined.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Henry Zmuda, Edward N. Toughlian, Paul M. Payson, Herbert W. Klumpe, Mark Anthony Jones, "Dynamic null steering for broadband phased-array antennas via photonic processing", Proc. SPIE 3463, Photonics and Radio Frequency II, (3 November 1998); doi: 10.1117/12.330376; https://doi.org/10.1117/12.330376
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