波带

The system point spread function is designed to be similar to the Dirac delta function. The experimental results and the theoretical calculation of the PSF are in accordance. The experiments on absorbers embedded in the intralipid solution with concentration of 1% and depth of 1.7 cm are implemented.

用菲涅耳波带板扫描全息成像系统进行了成像实验，得到了嵌埋在浓度为1%、深度为1.7 cm的脂肪乳剂中的吸收体清晰的再现像，吸收体为直径0.4 mm的金属丝和内径为6.0 mm的金属环，另外，也得到了直径为2.5 mm的黑塑料球的再现像。

It is demonstrated by theoretical analysis and computer calculation that the focus of Fresnel zone lens will change discretely as the depth of phase changes with integral times of 2?.

理论和模拟计算表明，当环带深度改变2p 的整数倍时，菲涅耳波带透镜的焦点将发生离散的变化。

The design method of a photoinduced plasma Fresnel zone plate antenna is described.

本文描述一种光生等离子体菲涅尔波带板天线的设计方法。

Key words: transportation System Engineering; green light belt control; balance; flow

关键 词：交通运输系统工程；绿波带控制；平衡；流量

In consideration of the lens as a phase modulator,the integral diffraction equation of the FZP was solved digitally.

对波带板的菲涅耳衍射积分方程进行了数值求解，计算时考虑了透镜的位相调制作用。

In chapter 2, we study the gap soliton solutions in one-dimensional nonlinear photonic crystal.

最后，我们模拟了物质波带隙孤子在无序体系中的运动，找到了其传播特性。

Design of objective lens with reflective spherical fresnel zone plate.

应用反射型球面菲涅耳波带片的成像物镜设计。

A kind of novel multi-granularity OXC architecture is proposed,which can be used to fiber switching, waveband switching and wavelength switching.

提出了一种新型多粒度光交叉连接的体系结构，它可以完成光纤、波带、波长的交换，以及不同粒度业务的上下话路。

The effects of longshore currents ,Stokes mass transport by waves,large scale eddies and the instability of longshore currents on the transport of pollutant in a surf zone are discussed based on the experimental results.

通过物理模型实验对海岸波浪作用下污染物运动特性进行了分析，重点分析了质量输移流、沿岸流、沿岸流不稳定运动及破波带内旋涡运动等海岸水动力因素的影响。

Can a shampoo give you beautiful hair without using harsh chemicals or sulfates?

能有一种香波带给你美丽的秀发，而不使用损伤化学成分或是硫酸盐的吗？

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。