期刊
JOURNAL OF CIRCUITS SYSTEMS AND COMPUTERS
卷 26, 期 10, 页码 -出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0218126617501584
关键词
Amplitude-frequency control; chaotic signal; chaotic oscillator
资金
- National Natural Science Foundation of China [61401198]
- NUAA Fundamental Research Funds [NS2013025]
- Startup Foundation for Introducing Talent of NUIST [2016205]
- Natural Science Foundation of the Jiangsu Higher Education Institutions of China [16KJB120004]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
A simple chaotic system with a single nonquadratic term is developed to be a switchable chaotic signal generator in this paper. Additional nonlinearity of the absolute value function is introduced for reforming the structure without damaging the basic dynamics but yielding a new independent amplitude-frequency controller. A switchable chaotic experimental oscillator is designed afterwards, where two coefficients corresponding to two independent rheostats rescale the amplitude and frequency of the chaotic signals smoothly. To our knowledge, this has never been found in other chaotic oscillators.
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