Passive receivers can be used to detect radar emissions over considerable distances. If range resolution requirements are fixed, it is of interest to compare the detectability of equal-bandwidth/equal-energy waveforms regardless of their time duration. Relative detection ranges are predicted, via computer simulation, for two types of transmitted waveforms: a benchmark rectangular pulse and a Welti binary coded waveform. The waveforms will be detected by square-law, delay and multiply, wideband, and channelized passive receivers possessing typical bandwidth, noise-floor, and loss parameters. A comparison is given showing the relative low probability of intercept and low probability of detection (LPI/LPD) attributes of each waveform and the relative detection attributes of each receiver.
Comparison of detectability of traditional pulsed and spread spectrum radar waveforms in classic passive receivers
IEEE Transactions on Aerospace and Electronic Systems ; 41 , 2 ; 746-751
01.04.2005
264975 byte
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Detectability of spread-spectrum signals
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