Abstract
Orthogonal signals are usually required to be transmitted for Multi-Input Multi-Output (MIMO) radar. A new set of polyphase codes is obtained with very low aperiodic autocorrelation sidelobe and cross-correlation levels, as well as good Doppler shift resilience. An Adaptive Clonal Selection (ACS) algorithm is proposed to optimize the codes, on which Doppler shifts are imposed. Numerical simulation and results show the superior correlation and Doppler performance comparing with some well-known codes.
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