14 October 1998 Imaging analysis of photorefractive phased array beamforming
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Abstract
We present the analytical description of a photorefractive phased array beamforming system using the BEAMTAP (Broadband and Efficient Adaptive Method for True-Time-Delay Array Processing) algorithm for a large N-element array that requires only 2 tapped delay lines (TDLs) instead of the conventional N TDLs. Simulation results indicate that the processor is able to adapt to a broadband signal of interest at a specific angle of arrival. We show that the system produces a coherent sum of the desired signals from the phased array, with the corresponding time delays appropriately compensated for in an adaptive fashion without prior knowledge of the angle-of-arrival.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Gregory Kriehn, Gregory Kriehn, Andrew M. Kiruluta, Andrew M. Kiruluta, Paulo E. X. Silveira, Paulo E. X. Silveira, Samuel P. Weaver, Samuel P. Weaver, Kelvin H. Wagner, Kelvin H. Wagner, } "Imaging analysis of photorefractive phased array beamforming", Proc. SPIE 3462, Radar Processing, Technology, and Applications III, (14 October 1998); doi: 10.1117/12.326747; https://doi.org/10.1117/12.326747
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