Sidelobe comparison of golay and PRBS codes for subsurface radar applications

In this study, it has been shown using results in the laboratory that the ACF sidelobes for Golay-based complementary codes are much smaller than that of PRBS, provided enough samples could be obtained for a given chip period or pulsewidth. Additionally, the sandbox experimental results for both Golay and PRBS sequences provide almost identical performance for 4 nsec pulsewidth. It is anticipated based on our laboratory results that the ACF sidelobe performance of the system using Golay codes would be better than that of PRBS provided higher number of samples could be arranged. This would necessitate a much higher sampling rate than what has been used in our experiments.

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