1) wavelength conversion
波长变换
1.
Impact of wavelength conversion on design of logical topology and performance of all optical network;
波长变换技术对全光网络设计和性能的影响
2.
The mechanism of the effect of four wavelength mixing (FWM) in optical fiber and the conditions of phase matching are analyzed,followed by discussion of two schemes for wavelength conversion based on FWM such as phase matching near the wavelength of zero-dispersion and nonlinear effect of pump light.
对光纤四波混频(FWM)效应的机理及相位匹配条件进行了分析,讨论了两种利用FWM进行波长变换的方案:在零色散波长附近利用相位匹配实现波长变换和利用泵浦光强度的非线性效应来实现宽带波长变换。
3.
Dynamic routing and wavelength assignment in the WDM networks with both dynamic service traffic and limited-range wavelength conversion have been discussed.
讨论了WDM光网中 ,在动态业务流量和有限范围波长变换情况下的动态路由和波长分配问题。
2) wavelength converter
波长变换器
1.
Configuration of wavelength converters in optical packet switching;
光分组交换中的波长变换器配置研究
2.
Based on the hypothesis of link independence, the effect of ideal all-optical wavelength converter and SOA - FWM wavelength converter on the blocking performance of wavelength routing optical network is analyzed.
利用一个生灭(Birth-Death)过程来描述波长路由光网络中的波长使用概率,用一个M/M/n/n排队模型描述波分复用(WDM)网络,基于链路独立性假设,研究了理想全光波长变换器和基于半导体光放大四波混频波长变换器对WDM光网络的阻塞性能影响。
3.
In order to decrease the burst loss probability, we add wavelength converter to our network.
为减小竞争的发生,在网络中加入波长变换器。
3) Wavelength conversion(WC)
波长变换(WC)
4) all optical wavelength conversion
全光波长变换
1.
GHz,1 432/1 544 nm all optical wavelength conversion was demonstrated by using a nonlinear optical mirror and the simulated predictions were in good agreement with the experimental results.
4GHz,15 32 nm到 15 44 nm全光波长变换 。
2.
This dissertation focuses on investigations of key technologies and issues in ultrahigh-speed photonics networks, included ultra-short-pulse generation technology, all optical wavelength conversion, ultra-fast multiplexing/demultiplexing systems and all optical switching network structures.
本论文针对超高速全光网络中的关键技术以及影响网络性能的关键问题进行了研究,研究内容包括超短光脉冲产生、全光波长变换、超高速全光OTDM系统复用/解复用,以及光交换网络结构等。
5) all-optical wavelength conversion
全光波长变换
1.
Study on all-optical wavelength conversion by using idle light;
利用闲频光实现全光波长变换的研究
2.
Two types of all-optical wavelength conversion by coupling attenuation;
耦合器衰减实现的两种全光波长变换
3.
Since the all-optical wavelength conversion at present is realized by using Semiconductor Optical Amplifier (SOA), the all-optical wavelength conversion based on Erbium-doped Fiber Amplifier and Nonlinear Dispersion Fiber (EDFA+NDF) is put forward in the paper.
针对目前全光波长变换大多是利用半导体光放大器来实现的现状,本文提出了基于掺饵光纤放大器(EDFA)和非线性色散光纤(NDF)的全光波长变换。
6) noninverted wavelength conversion
正码波长变换
1.
Noninverted wavelength conversion based on semiconductor optical amplifier and optical bandpass filter is theoretically analyzed,and the effect of bandwidth and deviation direction of optical bandpass filter on noninverted wavelength conversion is discussed,which well explain the widely reported experimental results on blue-shifted wavelength conversion.
理论上分析了通过整形滤波器方法实现正码波长变换的原理,并讨论了滤波器带宽及偏移方向对正码脉冲效果的影响,解释了目前实验报道中多采用蓝移滤波方案的技术根由。
补充资料：Radon变换和逆Radon变换
Radon变换和逆Radon变换
X线物理学术语。CT重建图像成像的主要理论依据之一。1917年澳大利亚数学家Radon首先论证了通过物体某一平面的投影重建物体该平面两维空间分布的公式。他的公式要求获得沿该平面所有可能的直线的全部投影(无限集合)。所获得的投影集称为Radon变换。由Radon变换进行重建图像的操作则称为逆Radon变换。Radon变换和逆Radon变换对CT成像的意义在于，它从数学原理上证实了通过物体某一断层层面“沿直线衰减分布的投影”重建该层面单位体积，即体素的线性衰减系数两维空间分布的可能性。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条