The geometricalapproximation theory of evaluating geometrical errors is put forward and modeled.
提出球度误差评定的几何逼近原理,并对算法进行了建模。
2
A new symplectic geometrical high frequency approximation method for solving the propagation of electromagnetic wave in an inhomogeneous medium is presented.
提出了一种基于辛几何的高频近似的新方法,并用此方法求解了电磁波在一非均匀媒质中的传播问题。
3
A theoretical model of laser phase - doppler sizing anemometer based on the geometrical optics approximation of light scattering is studied.