backscatter factor

The linear sampling method for the inverse scattering problem of acoustic waves is based on the fact that: a linear integral equation of first kind-far field equation including a parameter has an unbounded solution as the parameter approaches the scattering boundary from inside.

本文在此基础上就Dirichlet边界条件的声波反散射问题,利用积分方程理论严格证明了线性抽样方法对其的可用性,具体数值例子表明该方法是有效的。

Through feasibility studies of determination to coal ash share with backscattering energy spectrum method,the recent test scheme is raised.

通过对利用反散射能谱法测定煤灰份的可行性研究，提出了全新的测试方案，研制了先进的 Ｈ Ｃ Ｙ－ １ 煤灰份测定

Study on improving sensitivity of back-scattering measurement;

提高反散射测量方法灵敏度的研究

The inverse acoustic scattering of sound-hard obstacle in three dimensional shallow ocean with free surface and rigid bottom is investigated.

研究三维浅海硬障碍物声波的反散射问题，其中假设浅海海面是自由释放边界，海底是绝对硬的，障碍物边界也是绝对硬的。

The inverse acoustic scattering of sound-hard obstacle in three dimensional shallow ocean with free surface and rigid bottom is studied.

研究三维浅海硬障碍物声波的反散射问题 ,其中假设浅海海面是自由释放边界 ,海底是绝对硬的 ,障碍物边界也是绝对硬的 。