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. 2017 Nov 3;8:1288. doi: 10.1038/s41467-017-00671-9

Fig. 8.

Fig. 8

Chaos and state transition in the NAMs. These signals under different frequencies are steady responses and excitations shown in Figs. 4, 6 for the beam and plate, respectively. a Power spectra P A(ω) of point A under 290 Hz of the beam, the legend shows different response amplitudes. bf Error graphs of the change of signal LLEs λ m with v ex, where the lengths of the bars indicate the computational errors; bc for the beam and df for the plate. In the legends of bf, A, B and E represent the signals at the corresponding measured points; every labeled frequency indicates λ m under that frequency