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What is Photonic True-Time Delay Beamformer about?
This document proposes a novel photonic true-time delay beamforming system for a phased array antenna receiver. The beamformer uses simple tunable optical delay lines implemented with Mach-Zehnder delay interferometers that can vary the delay from 0 to the delay of the interferometer. Self-heterodyne coherent detection allows for maximum sensitivity, laser phase noise cancellation, and photonic RF phase shifting and downconversion. Numerical results show the system can beamform signals from N antenna elemen
- Author
- يسرى بوشوشة
- Language
- EN