Abstract
In this paper the specialties in interception of spread spectrum radar signals are exposed in regard interception of conventional pulsed radar signals. According to [1-3] and exposed examples it follow that future intercept receivers need 10-30 db selectivity enhancement to cope with modern LPI radar systems. One way is to use narrow beam, high gain antennas. Another way is trough signal processing. There is a review of existing algorithms in detection and parameter estimation of spread spectrum radar signals in non-cooperative context. Coherent methods and cross-correlation methods are put in the focus.
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