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采用数值仿真的方法,研究了电突触耦合对Hindmarsh-Rose(HR)神经元网络抗脉冲干扰特性的影响.结果表明:规则的耦合形式和神经元数目对网络的抗脉冲干扰特性影响较小;神经元间电突触耦合强度的分布对网络的抗脉冲干扰特性影响较大.在全局耦合结构下,当突触耦合强的度分布满足一定条件时,网络中的神经元仍能同步放电且保持稳定的放电频率,呈现出较好的抵御脉冲干扰能力.
The effect of electrical synaptic coupling on the anti-impulsive interference characteristics of Hindmarsh-Rose (HR) neural network was studied by numerical simulation. The results show that the regular coupling form and the number of neurons have little effect on anti-impulsive interference The distribution of electrical-synaptic coupling intensity among neurons has a great influence on the anti-impulsive disturbance characteristics of the network. Under the global coupling structure, when the intensity distribution of the synaptic coupling satisfies certain conditions, the neurons in the network can still synchronously discharge And maintain a stable discharge frequency, showing a better ability to withstand pulsed interference.