نتایج جستجو برای: processes parameters

تعداد نتایج: 1074939  

2013
Jongmin Kim Duc Long Luong Wansoo Nah SoYoung Kim JONGMIN KIM

An efficient measurement methodology is proposed to construct the scattering parameters of a multi-port device using a four-port vector network analyzer (VNA) without the external un-terminated ports. By using the four-port VNA, the reflected waves from the un-terminated ports could be minimized. The proposed method significantly enhances the accuracy of the S-parameters with less number of mea...

Journal: :SIAM J. Math. Analysis 2010
Guillaume Bal Alexandre Jollivet

This paper concerns the reconstruction of the absorption and scattering parameters in a time-dependent linear transport equation from full knowledge of the albedo operator at the boundary of a bounded domain of interest. We present optimal stability results on the reconstruction of the absorption and scattering parameters for a given error in the measured albedo operator.

Amin Kolahdooz Mohammad Bakhshi-Jooybari Salman Nourouzi, Seyyed Jamal Hosseinipour

Semi-solid forming processes are now used for producing near net shape parts especially in the automotive and aircraft industries. Non Newtonian rheology of semisolid alloys and its dependence on the various parameters such as reheating cycle, method used to produce non-dendritic structure, thermo-shear history etc. have made the simulation of the flow behavior of semisolid material a difficult...

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