Nonlinear Suppression of Range-Ambiguous Clutter for Outdoor Radar Measurement Facilities

Texte du rabat

In the outdoor measurement facility, a certain amount of real estate is owned by the organization, and therefore can be groomed to keep clutter contributions to a minimum. However, as the transmit signal travels further downrange, returns from long-range clutter sources are inevitable and can have signi cant impact on mea- surement accuracy. This research e ort investigates the e ectiveness of employing nonlinear suppression (NLS) to abate long-range ambiguous clutter in these facili- ties. In the simple two-pulse case, NLS requires a pulse repetition frequency which divides the radar's maximum range into two unambiguous ranges, and a transmit sig- nal comprised of alternating nearly orthogonal pulses.