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In order to solve the parameters' adjusting difficulty of the continuous Duffing chaotic system, a method of using single-chip microcomputer to realize Duffing chaotic system is proposed in this paper. It is proven that the discrete Duffing chaotic system as well as the continuous system has the ability of signal detection. The simulation results based on singlechip microcomputer under MATLAB environment...
In order to reduce SNR in power line communication and in combination with the excellent ability of Duffing chaotic system to detect weak signal, a method is proposed here by applying Duffing system to demodulate the power line communication signal. Simulation results show that, Duffing chaos receiving system can effectively demodulate power communication signal that is designed according to TWACS...
Because of excellent ability to detect weak signals, Duffing chaotic system has caused wide research and public concern. At present, it is a regular practice to drive Duffing system by continuous function, but those sine functions will be interrupted and the state of change will be observed in this paper. The simulation results show that the duty ratio of intermittent sine driving function is a very...
Compressive Sensing (CS) is a new sampling theory which allows signals to be sampled at sub-Nyquist rate without loss of information. Fundamentally, its procedure can be modeled as a linear projection on one specific sensing matrix, which, in order to guarantee the information conservation, satisfies Restricted Isometry Property (RIP). Ordinarily, this matrix is constructed by the Gaussian random...
Compressive sensing is a new methodology to capture signals at sub-Nyquist rate. To guarantee exact recovery from compressed measurements, one should choose specific matrix, which satisfies the Restricted Isometry Property (RIP), to implement the sensing procedure. In this letter, we propose to construct the sensing matrix with chaotic sequence following a trivial method and prove that with overwhelming...
This paper study on the chaotic oscillation, accident chain function and mutation theory of interconnected electric power system and draw a conclusion that: power system has small water chestnut chaos and has the probability of evolution from local chaos to the whole; power system has the accident chain characteristic, which is the triggering events of system interconnecting culprit; oscillation differential...
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