Publication IEICE TRANSACTIONS (1976-1990)Vol.E71No.10pp.959-961 Publication Date: 1988/10/25 Online ISSN: DOI: Print ISSN: 0000-0000 Type of Manuscript: LETTER Category: Nonlinear Problems Keyword:
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Summary: Stationary solution analysis shows a transition from quasi-periodic to fundamental oscillations at critical external force strength, Ec when the external periodic force increases in self-sustained hard-mode oscillation equation. But detailed numerical analysis reveals another critical external force, (Ec). For E quasi-periodic, and for EEc fundamental oscillations exist stably, however amplitude modulated oscillation is observed in the transition region EEc.