系数域

Based on the resonance characteristics of the back scatt ering RCS in frequency domain and the transient waveform of the back scattered e lectric field in time domain, a reconstruction scheme for recovering the transve rse permittivity and conductivity for an anisotropic plate is proposed.

根据各向异性介质板后向散射与入射电磁波极化方向有关的特点，利用其后向RCS的谐振特性和后向散射场的时域波形特点反演有耗介质板的横向介电系数和电导率。

Moments on basement foundation beams considering rigid zone of pile cap s and pulling resistance of piles are analyzed.

在考虑地下室基础承台刚域及抗拔桩布置的情况下，对基础梁的弯矩计算进行分析推导，得出了跨中弯矩的折减系数计算公式。

They were classified into four categories: DCT-to-HT coeffi-cients conversion,fast motion re-estimation and refinement,inter/intra coding mode decision and rate control.

在分析最新的视频编码标准H.264与以前的编码标准差异基础上，针对压缩域的H.264视频转码，系统地研究了其关键技术的进展，并按DCT到HT的系数变换、运动矢量快速重估计、修正和帧内/间编码模式和速率控制等4个方面进行了分类归纳，还对未来本领域值得研究的问题进行了展望和预测。

In addition,we alsopredict the dispersion character of the third-order optical nonlinearity of C60-metalderivatives in femtosecond time scale.

另外，我们还对飞秒时域的C60金属衍生物三阶光学非线性系数的色散特性作了预测。

The third-order nonlinear optical organic material is the focus of the research of functional materials.

0引言具有离域π电子共轭系的有机分子有较大的非线性光学系数和超快的非线性光学响应[1，2]。

Furthermore,the influence of parameters such as the horizontal power spectrum density, basic wind pressure,span and weight of the roof,damping ratio,terrain categories and support restraints,which are usually critical to the wind vibration factor,are also discussed.

本文基于随机振动理论利用有限元程序ANSYS对大跨度实腹式钢梁在频域内进行了风振分析，讨论了高阶振型、脉动风速谱、基本风压、屋盖重量、地貌种别、阻尼比和支座约束等相关参数对屋盖结构风振响应和风振系数的影响。

Identification and selection of dominant vibration-modes contributory to wind-induced vibration response for large-span space lattice structures;2. The wind-induced vibration response of single-layer cylindrical shells is analyzed by frequency domain method in this paper.

运用频域分析法对单层筒壳进行风振动力响应分析，在基本参数(阻尼比参数、地貌参数、几何参数、支座高度参数)的常用变化范围内，进行大量的算例计算，然后对所得的计算结果进行统计分析，考察各参数对单层筒壳的风振响应及风振系数的影响，在此基础上提出单层筒壳抗风设计的实用方法。

To build a large vocabulary lipreading system based on single visual channel,an unitary U-LDCT-KL two-level feature extraction method is presented in this paper.It is based on lip region partition DCT coefficients to be gotten rid off the overlap of those local coefficients by KL.

在建立视觉单通道的大词汇量唇读系统中，提出了归一化的U-LDCT-KL两级唇读特征提取方法，即针对唇区分块的DCT系数进行二级KL（Karhunen-Loeve Transform）去局域参数的交叠。

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。