The space-wave method, suitable for extended surface targets, is a preferable method for permittivity measurement of ground materials at microwave frequencies.
空间波法适合于测量大面积目标的介电常数，所以是测量地物微波介电特性的一种较好的方法。
The multi polar coordinate and complex function are used to put forward an approximate analysis method for scattering of steady P wave around a circular lining in half space.
本文采用多极坐标和复变函数方法针对半无限空间中P波在一衬砌周围的散射问题提出了一种近似求解分析方法。
This paper analyses the sound decay in an acoustically treated rectangular space from the view point of wave acoustics. and a new method of calculating complex eigenvalue is given.
本文从波动声学观点出发，分析了矩形水池中声能的衰变，给出了一种解算复本征值的新方法。
应用推荐