查询词典 Wavelength

A theoretical model of wavelength conversion based on cross gain modulation in semiconductor optical amplifier is derived. Characteristics of extinction ratio of converted signal under both co- and counter-propagating scheme are discussed in details.

建立了基于半导体光放大器-交叉增益调制的波长转换理论模型，利用分段方法对交叉增益调制波长转换器同向和相向两种工作方式下消光比特性作了详细的研究。

Using the Lagrange varitional method and considering the cross phase modulation as perturbation factor, the characteristic of DMS are synthetically analyzed and studied in wavelength division multiplexing and optical time division multiplexing systems for the first time.

运用拉格朗日变分法视XPM为扰动因子，首次综合解析了WDM和OTDM系统中DMS特性，并利用解析结果对不同的系统进行研究。

A novel ultrafast SOA model is presented and the numerical arithmetic is provided.Secondly, an analytical formula for wavelength conversion of transient cross phase modulation is deduced from the viewpoint of impulse response function.

概括全文的研究成果和贡献，有如下几个方面：(1)研究了SOA实现全光信号处理的基本原理，推导了SOA中最基本的光场传输方程和载流子速率方程，分析各种非线性效应的原理及其应用。

Simultaneous inverted and non-inverted wavelength conversion based on cross polarization modulation in semiconductor optical amplifier.

基于半导体光放大器交叉偏振调制效应实现正、反相波长变换。

S. pump wavelength and pump power were discussed.Secondly, the spectrum broadening due to the cross phase modulation in DSF was analyzed, and the principle and experimental setup of actively mode-locked Erbium-doped fiber laser was introduced.

第四章对交叉相位调制效应导致频谱展宽的原理进行了分析，介绍了主动锁模掺饵光纤激光器产生锁模脉冲的原理及实验，对基色散位移光纤交叉相位调制的波长转换进行了实验研究。

A series of sinusoids were machined on pure copper by single point diamond turning,such as sinusoids with amplitude of 10 μm and wavelength of 100 μm.

从国内外实验用靶的需求出发，采用金刚石车削技术，在紫铜表面完成了振幅为10μm、波长为100μm等一系列正弦曲线的加工。

It is shown that the photosensitivity in chalcogenide fiber cladding leads to the shift of the dip wavelength in LPG, which should not be omitted.

提出一种新的实时监测光敏折射率变化的方法-线性调频外差干涉法，并用于分析和研究硫系光纤光敏性。

The illustrated examples include a lumped element, Chebishev, bandpass filter using p- type resonators, a coaxial cavity bandpass filter using l/8 resonators with capacitive tuning, a coaxial cavity bandpass filter using l/4 resonators and a half wavelength via-hole direct-coupled filter.

被说明的例子包括一台lumped 元素、Chebishev 、带通滤波器使用p-类型谐振器，一台同轴洞带通滤波器使用l/8 谐振器以电容定调，一台同轴洞带通滤波器使用l/4 谐振器并且半波长通过孔指挥被结合的过滤器。

First, in the time domain, we compare distribution and difference of strength of shock wave with differnet wavelength near the focusing.

首先，先在时间域上，比较同波长的震波，在焦点上的强u分布和差。

An elution process is monitored at the position of a wavelength of 363nm on an ultraviolet spectrophotometer to collect a solution at a first wave crest and after the solution is cooled and dried for 22 hours to 28 hours, folacin coupled chitosan solid is obtained.

将反应后的产物冷却至室温，用凝胶柱进行分离，在紫外分光光度计上，于363nm波长处监测洗脱过程，收集第一个波峰的溶液，将其冷冻干燥22～28小时后，得到叶酸偶联壳聚糖固体。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了