查询词典 optical density

In order to find a kind of PR signal which has good recording performance and is easy to realize under high recording density, the frequency characteristics and the optical recording channel output SNR are compared with the method of simulation and mathematical analysis.

提出了一类适合光记录的部分响应信号，通过仿真和数学分析的方法，分别对这类信号的频率特性和记录信噪比进行了比较，目的在于寻找在高记录密度下既有好的记录特性又便于实现的部分响应通道。

Based on the summary of latest research results, the structure features, the synthesis methods and the mechanism as high density recordable optical recording media of metal porphyrin complexes are described.

本文在总结近年来最新研究成果的基础上，阐述了金属卟啉配合物的结构特点、合成方法和作为高密度可录光盘存储介质的作用机理，讨论了影响卟啉配合物性质和光存储性能的主要因素，并对未来的发展趋势作了展望。

In this year it consists of (1) magnetic recording head materials;(2)giant magnet-resistance materials;(3)perpendicular magnetic recording materials;(4)high density magnetic storage maferials;(5)study of magnetic thin film by magnet-optical method.

本年的综述内容包含：(1)磁记录头材料；(2 )巨磁电阻材料；(3)垂直磁记录材料；(4 )高密度磁存储材料；(5 )磁膜的磁光法研

For the first time, connected the optical characters and its components and density of jadeite. The additivity of refractivity extend the application on single mineral to jadeite which with some components, and illuminates the refractivity should be increased while C〓 increased.

首次将翡翠的光学性质与其成分、密度等联系起来，计算了翡翠中硬玉的理论折射率，折射率的加和性将适用于单矿物的理论推广于具多种矿物组合的翡翠，推导了硬玉的折射率与晶体结构和原子结构的关系，指出C〓在晶体中含量的增加会引起折射率的增高。

Power spectral density in wavefront measurement of optical components.

关于光学元件波面测量的功率谱密度。

It results in decreasing in spherulite size,increasing in crystalline density,and eventually causing an improvement of optical properties.

雾度和透明率数据表明，成核PP的光学性能和透明率有所改善，在PP中添加0.3％成核剂时，聚丙烯的改性效果最好。

To realize near-field optics and hence increase storage capacity and density in near-field optical disk drives, the flying pickup head has to enable the slider to fly at a stable height above the disk surface.

为了实现近场光学以提升资料的储存容量与密度，近场光碟机的飞行读写头机构必须使滑动片在碟片上方以稳定的高度飞行。

Based on rate equations, by use of a new method, a semiconductor optical amplifier theoretical model is constructed taking carrier density pulsation, spectral hole burning, stimulated emission, free carrier absorption, two-photon absorption and ultrafast nonlinear refraction effects into account.

基于速率方程采用新的推导方法得到了可以用来讨论飞秒量级光脉冲传输特性的半导体光放大器理论模型，该模型同时考虑载流子浓度脉动、光谱烧孔、受激辐射、自由载流子吸收、双光子吸收和超快非线性折射效应。

In order to meet the requirements of the near-field optical storage system for higher density, higher communication speed and integration, a subminiature anti-particles load-supporting stage was designed for low wear and high near-field coupling efficiency.

为满足近场光存储的高密度、高速度和集成化的要求，提高近场界面耦合效率，消除灰尘对固体浸没透镜的磨损，设计了一种新型的承载微工作台，并建立了系统动力学模型。

Through analyzing the growing route of dyes for CD-R and DVD±R, the macrocyclic azotic metal complex is indicated to be an important direction of development as the recording material for high density blue light recordable optical disc.

从CD-R和DVD±R记录材料的发展路线分析，显示大环氮杂金属配合物将是高密度蓝光记录材料的重要发展方向之一。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。