Introduction
Oscillator circuit has been an absorbing theme of great interest for long time. The researchers of oscillator circuit have been working in order to develop various electrical engineering systems from radio communication circuits to clock generators for microprocessors. At the same time, synchronization of oscillator circuits has attracted attentions of many researchers not only in the electrical engineering field but also in the fields of mathematics, physics, chemistry, biology, medical science, neuroscience, social science, and so on. Oscillation waves (periodic or non-periodic) are the most basic and the most important signals in natural and artificial systems, and hence developing new oscillators and investigating synchronization and related phenomena in coupled oscillators are essential topics for many researchers in various fields. Oscillator circuits are good models of various systems generating oscillations in the sense that they are real physical systems realized easily and handled easily. This is the reason why oscillator circuits have been a common subject for researches in diverse fields.
Introduction, Page 1 of 2
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