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Hardware description languages (HDLs) can describe a digital system at several layers of abstraction, typically starting at register transfer level (RTL). Due to the instant growth in the modern designs complexity, there is an urgent need to specify the system at the more abstract layer, the system layer. The paper deals with the problem of transformation of formal behavioral specification in HSSL...
UE-Bezier (unified and extended Bezier) basis is the unified form of Bezier-like bases, including polynomial Bezier basis, trigonometric polynomial and hyperbolic polynomial Bezier basis. Similar to the original Bezier-like bases, UE-Bezier basis functions are not orthogonal. In this paper, a group of orthogonal basis is constructed based on UE-Bezier basis. The transformation matrices between UE-Bezier...
The analyses of machining allowance of the auto-panel die blank casting in rough processing was discussed in this paper. And a method was developed to get the roughly uniform allowance and the excessive allowance was transferred to the bottom plane of the cast blank, which can be cut rapidly by the general machine tool with the large feed & high removal rate process. An analyses example of metal...
Direct3D is used to set up the visual system of indoor track cycling simulator. The modeling, the world transformation, the view transformation and the projection transformation for rendering the scene are studied. The method to locate the cyclist can be simplified by dividing the track into two parts. One is the straight, the other is the bend. The three transformations are enough for the scene simulation...
Knowledge is playing an increasingly important role in the era of knowledge-based society. The practice proves that tacit knowledge is the more important resources. How to transform and share tacit knowledge, to serve the society, the enterprise and individual is a hotspot of today. In this paper, from the tacit knowledge and ontology of the concepts and features, the tacit knowledge sharing transformation...
In 3D computer graphics, it has been an important issue to describe a virtual object realistically and show it in a physically correct manner. Unlike the virtual reality(VR), the augmented reality (AR) is an environment containing virtual and real objects simultaneously. However, the difference in motion between the virtual and real objects is obvious, which makes it hard for AR to be realistic and...
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