极化波

The number and distribution of intense scatterers in radar returns can be estimated.

提出了极化域线性积累滤波的思路以提高雷达接收信号的信杂比，在此基础上利用宽带波形固有的径向高分辨力对目标进行一维距离成像，估计出回波中强散射点的数量和分布，通过对不同径向分辨单元内的强散射点进行整体检测，可进一步有效地提高信杂比，改善雷达的检测性能。

E. , semiconfocal, halfconcentric and plane-parallel geometries, and the mode properties and discrimination are studied by analyzing the coupling losses.

结果表明：当环间隙间距与其中心半径的比值较小时，在同轴波导激光器中的低阶振荡模是环向极化的。

The influence of the interaction between phonons with different wave vectors in the recoil process on the ground state energy of the bound polaron is discussed.

在计及电子在反冲效应中发射和吸收不同波矢的声子之间的相互作用下，研究了其对量子点中束缚极化子的基态能量的影响。

Its Nonlinearity holds at 160 degree C, it is one of the materials that have the best thermal stability. 3. polarization inversion films that consist of melamine formaldehyde resin and polymer/silica hybrid material were fabricated, a simulation model for calculating frequency doubling from multi-layer waveguides was established.

是迄今为止所发现的热稳定性最好的光学基质材料之一。3、利用密胺材料和聚合物/氧化硅复合材料最佳极化温度的差异，制备出重复性好、有较好热稳定性的极性翻转薄膜，并建立了多层波导结构光倍频计算模型。

Sonically induced polarization is a transformation pro cess of sonic fie ld to electromagnetic field in two-phase porous medium.

声激发极化是双相孔隙介质中声场向电磁场转化的过程，是两种地球物理波场间作用与转换的结果。

AIM: To study the mechanism and implementation of current pulse exciting impedance measurement of bio tissues.

为减少皮肤电极接触阻抗、极化电势所引起的伪差，实际应用中多采用正弦波恒流源激励［2］。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。