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This paper analyses free vibration frequencies and modes for thickness-shear and thickness-twist vibrations of centrally partially electroded circular AT-cut quartz plate. The elliptical coordinate is introduced for both un electroded and electrode part. Exact solutions of Mathieu equations which are transferred from the two-dimensional scalar differential equation derived by Tiersten and Smythe are...
This paper establishes a mathematical model for UAV's inner loop, then based on this model an identification strategy based on CIFER is presented. At the first hand, A subsection procedure is done to obtain the initial value both for the CIFER method and the method this paper will present, then through several iterations between the uncoupled parameters and coupled parameters, the latter are acquired...
The paper presents a remote-desktop based Net Magic remote debugging RNP (Remote-desktop based Net Magic Remote Debugging Platform) model for the situation that hardware programming experiment is not often conducted in the network innovation experiment and teaching. It allows researchers to operate Net Magic remotely, which is a kind of open source hardware network study experiment platform, using...
Present situation of low rank powder coal used in combustion majority will be solved with the solid heat carrier pyrolysis process, which is also a effective way to improve the comprehensive utilization efficiency of powder coal. Yining long flame coal was carbonized by solid heat carrier. The coal tar pitch collected from coal tar by atmospheric distillation in the same condition, for researching...
Cheng's refined theory is extended to investigate the thermoelastic plate posting inside Winkler Foundation under steady temperature, and the refined analyses for the thermoelastic plates posting inside the Winkler Foundation under steady temperature is deduced systematically and directly from linear thermoelastic theory and Lur'e method. Expressions are introduced for all the displacements and stress...
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