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At present, the ceramic package packaging array charge-coupled device dimensions up to 144 mm*126mm*3mm (typical value), conventional mechanical shock fixture and tooling is not applicable needing to develop a dedicated fixture. In this paper, we mainly study the design of the mechanical shock fixture of the ceramic package for the large array CCD. The ansys finite element method was used to simulate...
In the limited-preemption scheduling model, tasks cooperate to offer suitable preemption points for reducing the overall preemption overhead. In the fixed preemption-point model, tasks are allowed to preempt only at statically defined preemption points, reducing the variability of the preemption delay and making the system more predictable. Different works have been proposed to determine the optimal...
In this paper, an advanced Neuro-Space Mapping (SM) modeling technique for nonlinear device modeling is proposed. By neural network mapping of the voltage and current signals from the coarse to the fine models, Neuro-SM can modify the behavior of the coarse model to match that of the fine model. The novelty of our work is to introduce a Neuro-SM model combining separate mappings for voltage and current...
A novel visual attention model using multi-scale cues is presented in this paper. Visual data is decomposed into multi-scale sub-images which contain multi-scale details on the basis of Gaussian Pyramid, and contrast features are extracted from these multi-scale images for saliency map generation. Compared with other visual attention models, the proposed model can efficiently generate saliency map...
Theoretical analysis of impact of illumination profile on measurement accuracy is given. A novel measurement technique using Alt-PSM marks under dipole illumination is proposed based on the analysis result.
Power analysis attack has been widely used against cryptographic devices such as smart cards. Compared to the origin differential power analysis (DPA) attack, the later developed correlation power analysis (CPA) is advantageous due to its robustness and efficiency. However, the existing CPA power models are defective in principle as they are either based on a power model using Hamming weight or simplified...
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