A Micro-Doppler Frequency Ambiguity Resolution Method Based on Complex-Valued U-Net

Figure 18

The results of time-frequency results of different number of blades. (a) One rotor. (b) Two rotors. (c) Three rotors. (d) Four rotors. (e) Five rotors. (f) Six rotors.

(a)

(b)

(c)

(d)

(e)

(f)