1、

Moreover, with the introduction of microwave subcarrier multiplexing, coherent optical communication system is able to accomodate multiple users or multiple information bit stream simultaneously.

本文经过研究及仿真发现:相干光通信系统的性能确实优于非相干光通信系统,而且,通过引入光微波副载波复用方式,可以使相干光通信系统能够同时承载多路用户或者多种信息。

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2、

The optical genetic and thermal evolution characteristics of vitrinite-like macerals are different from solid bitumen;

镜状体的光性特征、成因特征和热演化特征均不同于固体沥青;

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3、

In order to research optical and mechanical properties of the light conversion film, the light conversion film was prepared through matrix material mixing method by blending light conversion agent with polyethylene resin.

为了研究转光膜的光学特性和机械性能,将两种不同的转光剂(A、B)添加到聚乙烯树脂中,采用母料法制备转光膜。

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4、

Image Blurring Allowance of Digital Intensity Correlation Metering in the Case of Slant Optical Axis

斜光轴数字强度相关计量的像模糊容限

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5、

Technique, such as electronic probe, XRD, optical microscope, micro-hardness and macro hardness test, are applied to investigate the microstructure, phase structure, and analyze the alloy element distribution of metallurgical bonding layer and the material mechanical property changes.

利用电子探针、XRD、光学显微镜、显微硬度和宏观硬度测试等手段,研究扩散件试样的显微组织、物相结构,分析冶金结合层中合金元素分布和材料内部力学性能变化。

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6、

Digital borehole camera is the new method in optical borehole imaging.

数字钻孔摄像是光学成像测井技术的新手段。

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7、

Optical Fiber Directional Coupler with Continuously Variable Branching Ratio

分光比连续可调的光纤定向耦合器

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8、

Fine Structure Branching Ratio for Rb-Ne Optical Collision

Rb-Ne光学碰撞精细结构分支比

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9、

Microwave photonic filters are the key component in the system of photonic signal processing of microwave signals. It uses optical fiber and integrated photonic devices to carry out the filtering of clutter and noise from the wanted signal.

微波光子学滤波器作为全光微波信号处理系统的核心器件,利用光纤和光器件使有用的微波信号通过而抑制噪声和无用的微波频率信号。

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10、

Study on Coding Theory and Technology of Improving Data Security in Optical Transmission

提高数据光传输安全性的编码理论与技术研究

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11、

Three Coding Formats of Line Code for Optical Fiber Digital Communication Systems

用于光纤数字通信系统的三种线路码

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12、

We have solved the optical encoder matching parts problems.

我们解决了光电编码器配套部件的难题。

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13、

Thirdly, we quantify the power penalty caused by the PMD in optical subcarrier multiplexing ( OSCM) system with amplitude shift keying ( ASK) and binary phase shift keying ( BPSK).

第三,对采用不同调制格式(包括幅移键控和二进制相移键控)的光副载波复用(OSCM)系统中,PMD引起的功率代价进行了量化。

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14、

At present, many researches about all-optical wavelength converters only based on the signal modulation formats of binary amplitude shift keying ( OOK) and differential phase shift keying ( DPSK), but it is very few to the signal modulation format of polarization shift keying ( PolSK).

目前,全光波长转换器的研究主要集中在二进制振幅键控(OOK)和差分移相键控(DPSK)信号调制格式,对于偏振移位键控(PolSK)信号调制格式全光波长转换的研究很少。

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15、

Development of Optical Small Particles Counting Device

光学式颗粒计数装置的研制

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16、

Counting Rate Metre Optical Instrument& Gauge Instrument Designing

计数率测量器,计数表光学仪器与计量仪器设计

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17、

Influences of optical brighteners on whiteness, detergency and fabric brightening effect of laundry powder

荧光增白剂对洗衣粉白度与去污及织物增白的影响

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18、

The influences of main categories of optical brightener in the market on whiteness, detergency and fabric brightening effect of laundry powder were examined.

研究了用于洗衣粉的主要类型增白剂对粉体白度、去污性能和织物增白3个方面的影响。

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19、

Introduce the result of several type of liquid Optical Brightening Agent ( OBA) test, commend the test method of OBA use for coating color.

介绍了几种液体增白剂的性能试验结果,及用于铜版纸涂料中的液体增白剂的选择试验方法。

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20、

Result Method of Several Type of Liquid Optical Brightening Agent Test

几种液体增白剂性能试验

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