LPI Radar Waveform Recognition Based on Neural Architecture Search

Figure 6

CWD time-frequency characteristic diagram of 15 typical radar signals given in Table 2 in a noise-free environment. (a) BPSK. (b) Frank. (c) LFM. (d) NLFM. (e) Costas. (f) P1. (g) P2. (h) P3. (i) P4. (j) T1. (k) T2. (l) T3. (m) T4. (n) LFM-BPSK. (o) 2FSK-BPSK.

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