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An enhanced-bandwidth 10 dB hybrid ring is proposed in this paper. A novel composite microstrip model of a phase-reversing short circuit coupling line with defected ground structure (DGS) is also proposed, and the related parameters of the circuit are given. Compared to the conventional transmission line, the novel structure has the characteristic of an advanced phase shift. Besides, it is also characterized...
After the improvement of the actual theory of cold roll forming and the practical rolling process, author present the concept of dynamic chain model and node model, research steel strip forming mechanism based on information system. The problems such as the forming process research, the effects of friction on the forming, analysis of stress and strain were studied in the new model. What is more important...
The deformation mechanism of cold-formed steel is very complex, the relation between the deforming forces exerted and the deformation of steel strap can not be described by simple function. In order to reduce data redundancy, adopt the characteristic finite strip method which can solve primary illogicality. The characteristic finite strip can be divided into 3 kinds, thereinto, "the characteristic...
A distributed information model of spline finite strip method based on the Multi-agent system is raised, and its mathematics expression is given to describe the operational situation of each Agents. The characters of the splines can be identified and the request from the CAX system can be processed through the Spline Agents' intercourse and collaboration in the model. Finally, a simple pass design...
This paper provides the concrete implementation of intelligentizing cold roll forming theory to apply multiagent technique to spline finite strip method. The original spline finite strip theory is founded based on ignoring some factors and it doesn't consider expert knowledge's guidance for the theory. Applying this theory to guide pass design is very difficult. Applying spline finite strip method...
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