Joint Radar-Communication Relying on Spread Spectrum: A Hybrid Chaotic Sequence Design

Figure 7

Comparison of time-frequency analysis graphs for different signals: (a) Chirp signal; (b) Chirp-BPSK signal with 50-bit data; (c) Chirp-MSK signal [13] with 50-bit data; (d) JRC signal with 50-bit data.

(a)

(b)

(c)

(d)