旋转椭球 meaning in English
ellipsoid of revolution
rotation ellipsoid
Examples
- Post - newton metric inside and outside a rotating oblate ellipsoid
后牛顿近似下旋转椭球体的内外度规 - Reconstructing the acoustic pressure field using spheroidal wave functions
用长旋转椭球函数重构声场 - The point blast induced spherical wave is the especial instance of the ellipsoid shock wave . at last , the experimental data in alcohol are in good agreement with the calculated results of the model by analysis of the data of the laser pulse induced the laser plasma shock front by acoustics means
最后，设计应用声学方法对酒精中产生的激光等离子体冲击波波前传播过程进行测试，对两个不同方向上激光等离子体冲击波波前测试数据的分析表明，旋转椭球面的冲击波模型与实验测量结果相吻合。 - This paper has studied the mean attenuation , scattering , and back scattering cross sections of groups of small rotating spheroids about characteristics of microwave scattering when their rotatory axes are oriented at random in any direction in 2d plane and 3d space respectively under the condition of normal distribution , and that those physical quantities are changed with different variance , expectation and wave lengths of incident electromagnetic wave
本文研究旋转轴方向分别在平面内和空间中随机取向呈正态分布时的小旋转椭球粒子群的平均衰减截面、平均散射截面、平均后向散射截面等微波散射特征，以及这些物理量随轴向分布期望、方差及入射电磁波波长的变化。 - Abstract : from a universal formula for calculating the attenuation cross section of particles in arbitrary shapes , exact expressions for calcualting the attenuation cross section of polydisperse , small spheroids , whose rotary axes are in specific status , have been derived . attenuation cross sections of both liquid and ice particles in different shapes at different wavelengths in microwave band have been computed and analyzed . the results are informative to microwave remote sensing of precipitation
文摘:从计算任意形状粒子的衰减截面普遍公式出发，推导出了小旋转椭球粒子群旋转轴处于不同状态时的衰减截面函数表达式，并计算分析各种状态下衰减截面随降水粒子相态、形状和入射波波长的变化特征，所得结果可用于降水微波遥感。