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This paper presents a method of using volume conduction for communication with implanted passive RFID devices. Generating mainly electric field through human tissue, this method can reduce the interference with metallic implants when RFID devices are attached to the implants. Exterior and interior electrodes are designed for efficient energy and signal transmission. Experiments with a saline box are...
Least square method is widely applied in the field of self-adaptation control for it has well statistical property, such as consistency and unbiasedness. So we can improve the control effect of second-order system by using least square method in self-adaptive PID control. In this paper a self-adaptive PID controller of second-order system is discussed. The model of this system is established and simulated...
This paper discusses the synthesis problem for a class of discrete time complex-valued Hopfield neural network. To be an associative memory, each memory pattern of the network should be stable and attractive. For this reason, this paper firstly analysis the stability of network, where a generalized Hamming distance defined in complex-valued domain is used to be Lyapunov function. Thus a stable criterion...
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