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Geometric programming (GP) is popular for use in equation-based optimization of analog circuits thanks to GP-compatible analog performance functions, and its convexity, hence computational tractability. The main challenge in using GP, and thus a roadblock to wider use and adoption, is the mismatch between what GP can accurately fit, and the behavior of many common device/circuit functions.
When grounding fault occurs in power transmission line in neutral-point grounded system, fault current of the fault phase tends to increase dramatically. In the meantime, the amplitude and phase of the current of non-fault phase also changes abruptly in some degree due to mutual inductance between phases. Firstly, by building model with complete electrical parameters based on induction between phases,...
According to the analysis of problems existed in grey evaluation model of operation information system assessment, Based on the rough set theory, a grey comprehensive evaluation model Based on rough set attribute reduction. This paper discusses the evaluation process of the model, the multi-level and the establishment of a operation information system survivability evaluation index system, has carried...
A novel MIMO model based on singular value decomposition of matrix is proposed in this paper. A corridor to stair MIMO measurement at 2.6GHz is conducted in order to evaluate the performance of the novel model. The joint DoA-DoD-delay power spectrum and the channel capacity of the model are compared with those obtained from the measured channels. The results show clearly that the joint DoA-DoD-delay...
In this paper, a hybrid imperfect preventive maintenance model is proposed and analyzed for the deteriorating system. The hybrid imperfect PM model not only reduces the effective age, but also changes the hazard rate while the hazard rate are increasing with the number of PM. A minimal repair is performed whenever the system fails,. Preventive maintenances are performed at integer multiples of a fixed...
Consumer perceived value has become increasingly important for hotel marketers and operators due to the highly competitive environment. This paper attempts to answer the following questions: (1)What dimensions do consumer perceived value involve in hotel context? (2)What's the relationship between these dimensions? A total of 202 samples were analysed with exploratory factor analysis(EFA) and confirmatory...
Application of Simulation Science and Technology discipline is very wide and effective. During this process, it formed its common theory and method, which has representative characteristics of this discipline. Paper concludes these characteristics, explains and cards correlative theory, which include the principle and method of simulation experimentation design, the principle and method of simulation...
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