نتایج جستجو برای: third order convergency
تعداد نتایج: 1119567 فیلتر نتایج به سال:
A robust algorithm for estimating 3D–motion of small surface patches of a 3D–object is described. The robustness is measured by the probability of convergency to correct parameters. The 3D motion is estimated by a gradient method, which uses a local luminance error model, a motion compensated Kalman Filter and a selected neighboring surface around the patch. This technique can be used for autom...
Poly (ether) urethane close/open cell (PEUCC/PEUOC) has been prepared by using in situ polymerization approach. The third-order optical nonlinearities of dissolved samples in DMF were characterized by Z-scan technique at the measurement wavelength of 532 nm. The synthesized samples were also examined by optical microscopy and UV-Vis absorption spectroscopy. The nonlinear refractive (NLR) indice...
In this article we have developed third order exact finite difference method for the numerical solution of third order boundary value problems. We constructed our numerical technique without change in structure of the coefficient matrix of the second-order method in cite{Pand}. We have discussed convergence of the proposed method. Numerical experiments on model test problems approves the simply...
The first observations and measurements are reported on suppression of the third-order intermodulation (IM3) product arising from nonlinear mixing of two drive frequencies in a klystron, by externally injecting a wave at the IM3 product frequency. Optimum amplitude and phase of the injected wave for maximum suppression are examined. Results indicate that suppression of the IM3 product by as muc...
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