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Based on chaos theory, method of producing chaotic pulse sequence by chaotic phase trajectory with pseudo-randomness is proposed. Chaotic pulse sequence is generated with continuous chaotic system, and such problems as simple model, short period, digital degradation and easy tracking in chaotic sequence models produced by ordinary discrete chaotic systems are solved. The chaotic sequence generated...
Based on an identification and evaluation of the subtle counterproductive interactions between the WLANs MAC layer and the transport layer, this paper shows a new approach towards congestion control for WLANs. We introduce a specialization of TFRC (MTFRC: mobile TFRC), which is adapted to wireless access networks. This TFRC specialization requires only slight changes to the standard TFRC protocol...
In order to enhance learning efficiency and to deal with the periodic vibration sources, a proposition difference type iterative learning control algorithm is proposed. The PD ILC in the two degree ldquomass spring dampingrdquo mount active solution is vestigated to instead the passive solution. With the method, the performance at low frequencies has been improved specifically. Simulation shows that...
The interfacial effect on spin polarization is studied in a pseudo-spin-valve structure (PSVs) consisting of two ferromagnetic layers (FM) separated by a nonmagnetic metallic layer (NM). We adopt the macroscopic two-current drift-diffusion model and boundary conditions taking spin flip at FM/NM interfaces into account. The two FM/NM interfaces with respect to the spacer NM layer are combined into...
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