型可调谐液晶光学滤波器是一种小体积窄带宽低压调谐滤波器。
The F-P type tunable liquid crystal (LC) optical filter is a kind of compact tunable filter with narrow bandwidth and low tuning voltage.
利用光学滤波器,滤出四波混频分量,即可实现信号光的波长变换。
By using optical filter to filter out mixing light, the wavelength conversion of signal laser can be obtained.
为了简化窄带光学滤波器的结构,需要寻求更高折射率的膜层材料。
To reduce the construction size of narrow band pass filter, it is needed to look for the coating materials with high refractive index.
集成光学模转换器是光开关,光调制器,光学滤波器的重要组成部分。
Integrated optical mode converter is an important component of optical switches, modulators and filters.
根据空间滤波特点,在普通单缝上增加两对挡光片,使之成为一种实用的光学滤波器。
According to spatial filter character, a common slit can become a practical optical filter by adding two couples of shades.
针对常用的光学滤波器滤波波长不可变的特点,提出一种利用表面等离子体激元效应实现可调制滤波的方法。
Since the wavelength feature of an optical filter is fixed once it is made, surface plasmon polarition on a flat metal-dielectric interface is used to make a modulated filter.
报道了利用增益开关分布反馈半导体激光器、F-P光学滤波器及掺饵光纤放大器研制成光孤子源的研究工作。
The studies on an optical soliton source which is prepared using a gain -switched DFB laser, a F-P optical filter and an Er-doped fiber amplifier are reported.
将成熟的电子学里的格型数字滤波器的概念和设计算法移植到光学滤波器,给出了根据目标滤波传递函数求解光格型阵列具体参数的算法。
The conception and algorithm simulation of lattice digital filter in electronics are transplanted into optical filter, with a novice algorithm to resolve optical lattice array concrete parameter.
针对倍频激光中存在基频光的实际情况,依据石英晶体的旋光特性,利用石英晶体和起偏棱镜的组合,设计了一种用于去除倍频激光中基频光的光学滤波器。
Based on the optical rotatory dispersion effect, an optical filter for selecting the second harmonic of a frequency-doubled laser is constructed from quartz in combination with polarizers.
用于光学及滤波器玻璃中的铅和镉。
利用光学傅立叶分析的方法可以把热成像系统看作线性滤波器,并建立热成像系统的静态性能模型。
The thermal imaging system can be regard as a linear filter and its static performance model can be established by optical Fourier analytical method.
为提高光学相关图像识别的准确度和抗畸变能力,引入多重复合匹配滤波器概念,探讨一种新的识别思路。
A concept of multi-complex matched filter is introduced to improve the recognition of optical correlation image and the resistance of distortion, and a new way for the recognition is discussed.
用这种滤波器实现了平移、旋转、尺度三重不变光学图像识别,且有较高的信噪比。
By this filter, the shift, scale and rotation invariant optical pattern recognition was realized with a high signal noise ratio of correlation output.
从严格数值结果与近似公式的对比发现,对共振滤波器的旁带反射率,可以用普通薄膜光学的反射率公式进行非常直观方便的讨论。
Comparing rigorous numerical result with approximate formulae, we find that the reflectance formula of general thin optics can easy straight calculate the side bands reflectance of resonance filter.
从付里叶光学理论出发,描述空间匹配滤波器的原理、制作,以及输入信号的处理。
From the theory of Fourier optics, the principle and the manufacture of spatial matched filtering and the processing of input signal will be discussed.
本文叙述了二维光学微分处理的原理、滤波器的制作以及微分处理的实验结果。
The principle of a two-dimensional optical differentiation processing together with the preparation of filter and the experimental results of differentiation processing are given.
研制成功一种基于集成光学声光可调谐滤波器(IAOTF)的新型近红外光谱仪。
A near-infrared spectrometer based on an integrated optical acoustooptic tunable filter (IAOTF) is constructed.
提出了利用记忆型模拟回火退火算法来进行基于晶体双折射的光学有限脉冲响应滤波器设计的新方法,用以实现任意光谱响应双通道输出。
The memory simulated annealing approach is presented for designing an optical FIR filter based on crystal birefringence, which is able to provide arbitrary spectrum output with double channels.
在集成声光可调谐滤波器(IAOTF)的基础上,提出了一种新型的集成光学波导型声光光通道监测仪(OCM)。
A novel integrated optical waveguide optical channel monitor(OCM) is developed based on the integrated acoustooptic tunable filter(IAOTF).
使用超高斯滑频滤波器控制光学光纤中孤子相互作用的理论结果。
We derived the theoretical results of soliton interactions in optical fiber with super-Gaussian sliding-frequency filters.
该系统可进一步包括在激光辐射源和波长响应光学元件之间的高温计波长阻挡滤波器。
The system can further include a pyrometer wavelength blocking filter between the source of laser radiation and the wavelength responsive optical element.
与匹配滤波器光学模式识别系统相比,识别结果直接,系统简单可行。
Compared with the matched spatial filter OPR system, the addressing results are direct, and this scheme is feasible and promising.
相关识别方法可以用光学匹配空间滤波器实现。
The proposed method was optically implemented by means of matching correlator(MC).
检测光学代码的距离,与条形码的距离相关地增加滤波器带宽。
The distance of the optical code is detected, and the filter bandwidth is increased in relationship to the distance of the bar code.
我们证实超高斯滑频滤波器能够有效地控制光学光纤中孤子相互作用。
The results demonstrate that the interactions between optical fiber solitons can be effectively suppressed by super-Gaussian sliding-frequency filters.
光学双相关技术是一种不用光学全息匹配滤波器的新技术。
The optical double correlation is a new technique not using a holographic matched filter.
为改善光学空间滤波的效果,分析说明了低通滤波器窗函数对光学空间滤波效果的影响。
To improve the effect of the optical spatial filtering, the effect of the window function on lowpass spatial filtering is analyzed.
从FIR信号理论出发,建立了光学FIR滤波器数学模型,并分析了它与FIR滤波器的映射关系。
Starting from FIR signal theory a mathematical model for the optical FIR filter is established, and the mapping relation between the model and FIR filter is analyzed.
我们采用集成光学工艺,首次制成了以声光可调谐滤波器(AOTF)为分光元件的光信道监测仪。
We made the acoustic-optical tunable optical performance monitor (OPM) with the filter of acoustooptic tunable filter (AOTF) successfully by using the integrated optical technique for the first time.
我们采用集成光学工艺,首次制成了以声光可调谐滤波器(AOTF)为分光元件的光信道监测仪。
We made the acoustic-optical tunable optical performance monitor (OPM) with the filter of acoustooptic tunable filter (AOTF) successfully by using the integrated optical technique for the first time.
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