波

In addition,the effects of line integral and restricting the wave-steepness of the elementary waves were estimated numerically.

同时研究了线积分项和限制基元波波陡对于兴波阻力计算结果的影响。

The results indicate any elliptically polarized light can be compensated to become lineally polarized light throught λ/4 waveplate as long as the fast-axis of λ/4 wave-plate and the long-axis of elliptically polarized light are in the same orientation,but partially polarized light cann t.

结果表明，只要λ/4波片的快轴与椭圆偏振光的长轴方位一致，则任何椭圆偏振光经过λ/4波片后均可以补偿为线偏振光，而部分偏振光经过λ/4波片后仍为部分偏振光。

Using the theory of empirical wavelet transform,linear approximation andnonlinear approximation we establishes the foundation of wavelet compression.

小波的应用的方面，利用经验小波变换、线性逼近和非线性逼近建立了小波压缩的基本理论框架。

A FDTD program was written and the electromagnetic fields for various polarized incident beams are calculated and the polarization states of the diffractive waves are extracted. The relation between the polarization state of the diffraction wave and the grating balzed angle and polarization angle for the linearly polarized incident wave is analyzed; In the spectral range of 1530 ~ 1570nm, the polarization dispersion is studied for the linearly and circularly polarized incident beam.

用时域有限差分程序计算出任意偏振方向线偏光经过闪耀光栅衍射后的电磁场分布，提取衍射波的S偏振和P偏振分量，分析它们与光栅闪耀角和入射光波偏振角的关系；分析在1530 -1570nm光谱范围内，入射光波为线偏振波和园偏振波时，衍射光波的偏振色散特性与光栅闪耀角的关系。

It can draw a conclusion that 1-bit algorithm is feasible and valid method for signal time delay estimation replacing with cross-correlation principle The paper gives an overview about the localization principle with temperature sensors arrays based on the far-field algorithm and the near-field algorithm, and discusses the performance of fire source localization principle based on combination of the two algorithms.

本文介绍了将热气流温度波前视为平面波的远场算法和将热气流温度波前视为圆形波的近场算法，讨论了远、近场算法相结合的火灾定位性能。

Based on a localization principle and subband decomposition, monoscale ridgelet and curvelet were proposed, both of which were derived from ridgelet transform and can efficiently deal with smooth images with smooth edges including straight and curve singularity. They, hence, are of better application potention. sparse representation;optimal basis;ridgelet;curvelet;image denoising;non-parametric estimation

单尺度脊波和Curvelet变换由脊波变换发展而来，分别利用了函数局部化和频带剖分的思想，将脊波理论发展到了一个更高的阶段，这两种变换都能"近似最优"的表示直线和曲线奇异，因而具有更好的应用前景。

In this dissertation, the propagation of axial symmetric longitudinal wave mode under the complicated stress environment is investigated.

由于轴对称纵向模式的导波的激发和接收比较容易，且它的各种特性与板中Lamb波很类似，因此轴对称纵向模式成为了工程中利用导波进行无损检测时采用最多的一种模式，所以本文对该种模式在复杂应力环境下管壁中传播特性进行了深入的研究。

First, experimental datum is analyzed and it is found that the shallow water ocean internal wave spectrum is different from that of the deep ocean GM spectrum. Then, the theory of weak turbulence is systematically summarized, and Lvov and Tabak's method of obtaining the deep ocean internal wave spectrum is introduced. They applied the theory of weak turbulence to internal waves of long wave length and found that GM spectrum maybe obtained theoretically.

首先，基于海洋实验数据分析了浅海内波谱特性，指出它与深海GM谱不同；接着，系统地总结了Zakharov等人发展的基于波-波相互作用的弱湍流理论，对文献中没有给出推导的一些关键性公式进行了细致的推导，并讨论了Kolmogorov-Zakharov谱在海洋内波研究方面可能的应用；最后，总结了Lvov和Tabak对于深海GM谱的弱湍流理论解释；介绍并细致推导了Madja、Mclaughlin和Tabak(1997)提出的一维MMT模型及其特性。

An experiment is done to measure the dispersion characteristics of the symmetrical mode. The experimental results show good agreement with the theoretical value. In addition, an experimental study of the πline is made.

同时加工制作了作为脊加载环板线一种发展型的π型慢波线，并进行了实验研究，实验证明，π型慢波线是一种宽频带大功率的慢波系统。

The purpose of this research is to measure the different EOG (Electro-Oculography, EOG) signals resulted from eye movements. The measured voltages will be transmitted to VCO (Voltage Controled Oscilloator, VCO), and then VCO will transfer the different voltages to different frequencies of square waveform signals. The square waveform signals can replace the pulse trains generated by circle disk encoder, as the input signal of infra red sensor in the mechanical mouse.

本论文主要研究目的，乃是应用眼电图法(Electro-Oculography， EOG)来量测眼球运动所产生的电压讯号，以EOG方式量测到的电压，再经由电压控制震荡器(Voltage Controled Oscilloator，VCO)转换成不同频率的方波，VCO并将方波讯号传送给滑鼠的红外线感应器，以替代轨迹球滚动时其带动圆盘编码器所产生的脉波。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。