scattering length

Because the spin-flip length is longer than the electron mean-free-path in a metal, past studies of spin-flip scattering were limited to the diffusive regime.

金属中自旋翻转散射长度远长于电子平均自由程，近来关于自旋翻转散射效应的研究主要集中于扩散区域。

The target properties of low altitude radio fuze are discussed at length. The interaction between electromagnetic waves and ground is analyzed. The definition of back scattering coefficient and its influence on echo signals are discussed.

分析了电磁波与地物之间的相互作用，以及目标散射特性对引信回波信号的影响。

Characteristics of the scattering parameters for two parallel microstrip lines are analyzed based on microwave network principle. Relation between the frequencies where crests and troughs occur in the insertion loss or the far-end crosstalk and propagating delays of odd-and even-modes, the parallel length is deduced.

根据微波网络理论，对两根平行微带线的散射参数进行了研究，推导出了插入损耗和远端串扰的幅频曲线中波峰、波谷点频率与奇偶模的传播时延、互连线长的关系。

The multiple elastic scattering of photon can effectively enhance the gain length.

光子和散射颗粒的多次弹性散射可以增大有效增益长度.

The results show that the scattering length can be modified in a large range by changing the Rabi frequency or the optical field frequency.

计算结果表明通过改变光场的拉比频率或中心频率可以在较大范围内对散射长度进行调制。

The backscattering and forward scattering functions of finite cylinders with hemispheroidal end caps, which have different ratio of length to width or different geometric end caps, were calculated.

以两端有半椭球顶的有限长圆柱体为例，分别计算了具有不同长宽比或者是不同端部几何形状的有限长圆柱体的反向散射和前向散射函数。