图 8 当I = 0.008 A, C = 0.3 nF时, NbOx LAM的二阶振荡器的仿真结果(a)电压vm、状态变量T和电流im的瞬态波形; (b)稳定点的im-T相图; 当I = 0.008 A, C = 0.8 nF时, NbOx LAM的二阶振荡器的仿真结果: (c)电压vm、状态变量T和电流im的瞬态波形; (d) 振荡状态的im-T相图
Fig. 8. Simulation results of the NbOx LAM second-order oscillator: (a) The transient waveforms of vm, T and im at I = 0.008 A and C = 0.3 nF; (b) the stable equilibrium on im-T phase plane at I = 0.008 A and C = 0.3 nF; (c) the transient waveforms of vm, T and im at I = 0.008 A and C = 0.8 nF; (d) the limit cycle on the im-T phase plane at I = 0.008 A and C = 0.8 nF.