Zhangcai Long

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In this paper we introduced a method to estimate the additive noise in driving signals, this method is grounded on the average deviation rate of response system in a short period. We consider each noise point as a perturbation to initial condition of the chaotic system, and then estimate the evolution of perturbation by seeking the relations between average(More)
A new heterodyne interferometer is presented, which adopts time-to-digital converter (TDC) measuring the time intervals of zero crossings of heterodyne signal for phase demodulation. Thanks to the 0.1 ns time resolution of TDC and linear phase demodulation, it can achieve high resolution and avoids nonlinear measuring distortion in other indirect high(More)
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