| 1. | Back scattering wave 反向散射波 |
| 2. | The influences of cavity shape , property of media , wave numbers and angle of incidence upon the property of scattering wave at far - fields are discussed 讨论了孔的形状、介质的性质、入射角和波数对散射远场特性的影响。 |
| 3. | The time lag between the direct wave and the scattered wave could be computed by using the simplex algorithm method 当弯曲波在传递时遇到平板裂缝则会产生散射波,因此含有裂缝平板的板波讯号即包括弯曲波的直接波传与裂缝引起的散射波传。 |
| 4. | For the multiple scattering theory , the total scattered power from a random rough surface is contributed to , not only by single scattered waves , but also by those multiple scattered waves 在多次散射理论中,随机粗糙面的总散射功率不仅与单次散射波有关,而且还取决于多次散射波。 |
| 5. | For the far deep space object , the scattered wave must transmit through the turbulence atmosphere and received by detector . as a result , the wave is inevitably affected by the turbulence 在主动干涉条纹成像方法中,发射的光束要经过大气湍流才能到达目标,在目标上形成不同频率的干涉条纹。 |
| 6. | And then the solutions for displacement mode of scattering wave at far field and scattering cross - section are provided at the interface cavity when it is ellipse and diamond 在求解了界面孔对sh波散射的近场解的基础上,进一步研究了其远场特性。给出了界面椭圆孔和方孔的远场位移模式和散射截面的解答。 |
| 7. | Using this scattered wave function and moving coordinate system , the problem can be summarized to scattering of sh - wave by multiple circular cavities in infinite space and the boundary conditions can be satisfied 利用这一波函数,则可将该问题转化成为一个对无限空间中相邻多个圆形孔洞对sh波散射的求解问题。 |
| 8. | This method can adapt to both time and frequency domain , similarly can be used to discuss about targets upon ground or sea surface . with this method the scattering waves of a truck model are studied in uhf band 复合激励法使用范围广泛,不仅适用于时域,也适用于频域,不仅时用于地表目标的电磁散射研究,也同样也适用于海面等环境下目标的电磁散射研究。 |
| 9. | Since the flexural waves in the plate would produce scattered waves when they propagated through the flaw of a plate , the measured signals of a strain gauge contented the direct waves propagated from the impact source and the scattered waves propagated from the flaw 藉由小波转换进行讯号的时频分析,进而求得弯曲波由冲击点至各应变规的波程时间,并计算出弯曲波在各频率中的波群速度。 |
| 10. | Electromagnetic inverse scattering aims to reconstruct the distribution of the dielectric characteristics of unknown inhomogeneous dielectric object by scattering wave . in the near thirty years , it has been extensively used in military , medical imaging and nondestructive testing field 电磁逆散射(又称为电磁反演或电磁成像)是对接收到的未知物体的散射信号进行分析处理从而重建未知物体的几何形状和内部结构。 |