crystal filter

The Frequency - temperature Compensation for Quartz Crystal Filter

晶体滤波器频率温度补偿

Crystal Filter Measurement System

一种晶体滤波器测试系统

Study of Tunable Liquid Crystal Filter by Voltage

电压调谐液晶滤光片的研究

Research on the Integrated Photonic Crystal Filter and Micro Liquid / Liquid Waveguide Device

集成光子晶体滤波器和微流体光波导器件的研究

Preparation of 21.4 MHz Wild Band Individual Piezoelectric Crystal Filter

21.4MHz宽带分立式压电石英晶体滤波器研制

Design and fabrication of all the band-stop crystal filter in all pass network

全通型带阻晶体滤波器的设计和制造

High Slope Attenuation and Constant Time-Delay Crystal Filter for Digital Communication ── Practice of Phase Compensation

数字通信用陡衰减恒时延晶体滤波器&相位补偿法的实践

Analysis of Photonic Crystal Filter

光子晶体滤波特性分析

A thermal neutron Si single crystal filter

硅单晶热中子过滤器

Monolithic Crystal Filter for Mobile Communication

移动通信用单片晶体滤波器

Recent progress of VHF / UHF crystal filter

VHF/UHF晶体滤波器的进展

DB Bandwidth of The Crystal Filter

晶体滤波器的3dB带宽

Tolerance of Thickness Fluctuations of Quasi-Fractal Photonic Crystal Filter

准分形结构光子晶体滤波器层厚误差容限

The Defect States of the Multi-periods of Photonic Crystal Filter for Wavelength Division Multiplexed

用于波分复用的缺陷态复周期结构光子晶体滤波器的研究

F-P photonic crystal filter in terahertz region

THz波段的F-P光子晶体滤波器

Preparation of 10 MHz Band-stop Crystal Filter Modeling of power transformer in wide frequency range and analysis of the impedance characteristic

10MHz带阻型压电石英晶体滤波器研制电力变压器的宽频带建模及阻抗分析

Overtone Mode Monolithic Crystal Filter

泛音模单片晶体滤波器

Compared with other filters , tunable photonic crystal filter is superiority in tuning range , bandwidth and channel suppression ability .

相比其它滤波器而言，光子晶体滤波器在调谐范围、带宽以及对其它通道的抑制能力等方面具有优势。

It is proved that the Fabry-P é rot tunable liquid crystal filter has great tuning range and narrow band .

理论模拟证明法布里珀罗腔液晶可调谐滤波器具有调谐范围大、带宽窄的优点。

Analogue frequency leading uses classic crystal filter group , it has many shorts , such as a great deal components , high cost and large bulk .

模拟式频率引导采用经典的晶体滤波器组，其数量大、成本高、重量体积大。

Since the conventional quartz crystal filter can not meet these requirements , new piezoelectric materials with higher electromechanical coupling coefficients and better temperature characteristics have to be found .

传统的石英晶体（QuartzCrystal）滤波器已经不能满足这些要求，因此需要寻找一种机电耦合系数更高、温度性能更好的新型压电材料。

In order to overcome its disadvantages in infrared band , Fabry-P é rot tunable liquid crystal filter is designed and its analogue is given .

为了克服其在红外波段的缺点，设计了法布里珀罗腔液晶可调谐滤波器，并且给出了理论模拟。

Liquid crystal filter system with a high precision for night vision is comprised of a wideband optical filter having a critical wavelength , and a liquid crystal notch filter .

高精度夜视液晶滤光系统包括一个具有临界波长的宽带光学滤光器和一个液晶陷波滤光器。

The liquid crystal filter consists of cholesteric and nematic phase liquid crystals with a weight ratio of approximately 7:3 . The filter system may also be used as an adapter to block up a dispersion light from the source .

液晶滤光器由胆甾相和向列相液晶组成，它们的重量比为7：3。该滤光系统也可用作适配器，用以阻挡不需要的杂散光。

This paper briefly reviewes the recent progress of VHF / UHF crystal filter , the characters of VHF / UHF resonator and the performances of VHF / UHF crys - tal filter , and makes a comparison between BAW crystal filter and SAW resonator filter .

简要评述了近几年来VHF/UHF晶体滤波器的进展，讨论了VHF/UHF谐振器的特点、VHF/UHF晶体滤波器的性能，以及SAW晶体滤波器和谐振器性能的比较。

Design of Electrically Tunable Liquid Crystal Optical Filter of Temperature Compensation

温度补偿型电调谐液晶光学滤波器的设计

Multispectral Image Acquisition System Based on Liquid Crystal Tunable Filter

基于液晶可调谐滤光片的多光谱图像采集系统

Optical performance analysis of tunable liquid crystal infrared filter

可调谐液晶红外滤光片的光学特性分析

Synthesis of Crystal Comb Filter Based on Lattice Structure

格结构在晶体梳状滤波器设计中的应用

Analysis of a Dynamic Gain Equalizer Based on Liquid Crystal Tunable Filter Technology Trends

基于液晶可调谐滤波技术的动态增益均衡器研究