Simple transmit diversity technique for phased array radar
G. Babur (Simon Stevin Institute for Geometry, Tomsk State University of Control Systems and Radioelectronics )
PJ Aubry (Microwave Sensing, Signals & Systems)
F le Chevalier (Microwave Sensing, Signals & Systems)
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Abstract
This study presents a simple yet ingenious transmit diversity technique (so-called hybrid codes) for phased array radar. Its main property is the capability of digital beamforming on transmit just like with a set of orthogonal signals employed by coherent multiple-input–multiple-output radar and simplicity (only one waveform has to be generated in time). The performance of the hybrid codes is examined by analysing the transmit ambiguity functions containing beampatterns and range profile for all angular directions of interest.
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