散射 Backscatter
（重定向自Backscattering）
![Zodiacal light is a glow originated in the scattering of sunlight by dust located between the planets that are spread through the plane of the Solar System.[1]](/uploads/202412/22/Zodiacal_Glow_Lightens_Paranal_Sky0244.jpg)
当传播中的辐射，像光波、音波、电磁波、或粒子，在通过局部性的位势时，由于受到位势的作用，必须改变其直线轨迹，这物理过程，称为散射。这局部性位势称为散射体，或散射中心。局部性位势各式各样的种类，无法尽列；例如，粒子、气泡、液珠、液体密度涨落、晶体缺陷、粗糙表面等等。在传播的波动或移动的粒子的路径中，这些特别的局部性位势所造成的效应，都可以放在散射理论（scattering theory）的架构里来描述。
backscattering
/'bæk,skætərɪŋ/
英汉-汉英词典
n. 反(向)散射,后向散射
词组 | 习惯用语
backscattering coefficient 反向散射系数
英语例句库
- beta backscattering sedimentometer
【冶】β射线反散射沉降仪
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中文百科
英语百科
Backscatter 散射
（重定向自Backscattering）
In physics, backscatter (or backscattering) is the reflection of waves, particles, or signals back to the direction from which they came. It is a diffuse reflection due to scattering, as opposed to specular reflection like a mirror. Backscattering has important applications in astronomy, photography and medical ultrasonography.
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