Description: In this paper, a novel radar signaling
scheme designated as matched FSWPSK signaling is
introduced. An overall radar system which
implements matched FSK/PSK signaling along with
the appropriate processing scheme is given. Radars
of this type are shown to be capable of generating
FSK/PSK signals optimally matched to any arbitrary
target response. The radar signals consist of bursts
of pulses, whose frequencies are chosen by a random
selection process with a probability density function
based on the radar target’s spectral content, and
whose phases are a pseudo-random spreading
sequence. The capability of the radar to match its
illumination to a target could prove to be vital in
tracking low observable targets. Additionally, the
spectral agility of the matched FSWPSK system
allows for spectrally adaptive signaling. Adaptive
signaling could not only aid target tracking, but also
provide information about the target that could
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