• This scheme can simplify the structure of the phase modulator and reduce cost.

    方案可以大大简化相位调制器结构降低陀螺成本

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  • Ti: LiNbO_3 Serrodyne Phase Modulator is the key device in closed-loop fiber-optic gyros.

    铌酸锂相位调制器锯齿波调制闭环光纤陀螺关键器件

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  • Secondly, two novel ROF system schemes based on the LiNbO3 phase modulator are accomplished.

    采用铌酸锂相位调制器设计了两种新型ROF系统

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  • The test result indicates that the phase modulator without transformer can suppress the carrier wave.

    实测结果表明这种变压器环形相位调制器较好地抑制载波

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  • Ti: LiNbO3 phase modulator is the key device in closed-loop sawtooth modulation fiber-optic gyroscope.

    酸锂相位调制器实现锯齿波调制闭环光纤陀螺关键器件

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  • The optical phase modulator does not suffer from the bias drifting problem as it does not need DC bias.

    由于光相位调制器需要直流置,不会遇到直流偏置漂移问题

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  • The effect of phase modulator of optical fiber gyro and light source stability on overall system property is analyzed.

    从理论上分析光纤陀螺调制器光源稳定整机性能特别是对漂移影响

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  • Phase modulator and amplitude modulator are both indispensable optical modulator in quantum cryptographic communication.

    相位调制器振幅调制器连续变量量子密钥分发中不可缺少的调制器件。

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  • A novel fiber electro optic phase modulator has been fabricated with the thermal poling of polarization maintaining fiber.

    对熊猫保偏光纤极化制成了一种新型保偏光纤电光相位调制器。

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  • A piezoelectric ceramic, based on the converse piezoelectric effect, was used as optical phase modulator to design a fiber differential interferometer.

    基于压电陶瓷压电效应采用压电陶瓷作为相位调制器设计光纤微分干涉仪

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  • The envelope of output optical signal after the phase modulator keeps stable and the optical signal can be used to carry uplink data back to the base-station.

    经过相位调制器之后,输出信号包络保持不变基站用来承载强度调制的上行信号。

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  • Directly modulated laser combining with phase modulator is adopted to produce large chirped light, which can be compressed by DCF to generate the optical pulse.

    该方案采用激光器配合相位调制器产生啁啾DCF压窄输出脉冲。

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  • To obtain the same effect of using one phase modulator, the amplitude of the drivers on the two phase modulators can decrease to half of that in one phase modulator scheme.

    两个相位调制器驱动信号幅度减小一半,便可获得一个相位调制器方案相同的调制效果

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  • Electrooptic phase modulator is critical part in digital closed-loop FOG system, the function of which is to create bias phase, so that to make FOG working around zero point.

    电光相位调制器数字闭环光纤陀螺系统中的关键部件,主要用于产生偏置移,使整个闭环系统始终工作在零点附近

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  • Utilizing phase modulator and dispersion compensation fiber (DCF) link, a non-return-zero (NRZ) data format is converted to return-zero (RZ) data format with tunable duty ratio.

    提出了利用相位调制器色散补偿光纤(DCF)把归零(NRZ)码信号转换成为占空的归零(RZ)码信号的方案。

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  • Good photon sensitivity, large index modulation and high resolution make monomer in a number of applications such as holographic polymer grating, photonic crystal and light phase modulator.

    聚合物单体由于光敏感性折射率调制度大和分辨率高等优点全息聚合物光栅晶体和光相位调制器器件中得到广泛应用

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  • This paper presents the principles and characteristics of the following modules: power amplifier, phase modulator and up converter, which are used in the transmitter of 1GHz microwave relay system.

    本文介绍用于微波中继系统发射机功率放大器调相器变频器等组件原理特性

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  • In this article, the schematic diagram, main specifications and the realization of the circuits of the phase differential modulator and measurer are described.

    介绍相位差调制器测量原理框图主要性能指标电路实现

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  • A kind of diffraction element modulating phase information by LC space light modulator to get a zoom Fresnel lens, as well as the using of said element to optical imaging system, is introduced.

    本文介绍液晶空间调制器作为调制位信息衍射元件获得可变焦长的菲涅耳透镜以及元件光学成像系统中的应用

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  • An electrical current pulse applied to a thin conductive film heats the modulator section and the stationary phase within it, releasing a certain number of retained substances as concentration pulses.

    施加导电薄膜电流脉冲调制器及其内部固定加热释放作为浓度脉冲的保留物质

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  • To minimize the frequency and phase distortion in a DTV transmitter in order to achieve best VSB frequency performance, a pre equalizer can be inserted into the modulator.

    为了补偿数字电视发射机频谱畸变相位失真,得到最佳VSB频谱特性可以调制器加入均衡网络对频谱进行预畸变。

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  • A kind of coding method of gray-scale phase-only matched filter according to the phase modulation property of the spatial light modulator has presented.

    根据空间调制器相位调制作用提出了阶纯位相匹配滤波器编码方法

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  • Furthermore, it is found out in the experiments that the degree of phase response linearization of liquid crystal modulator decreases with driving frequency increasing.

    同时,本文还实验发现了,相位响应线性程度随着驱动频率的提高而降低

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  • A laser phase modulation system with acoustooptic modulator is described.

    本文叙述了一种包含有声光调制器的激光调相系统

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  • It is a new branch that the artificial transmission line is introduced into optic electronic modulator, realizing phase velocity matched.

    人造传输线的观点引入电光调制器,实现速度的匹配,近年来才兴起的一个新的分支

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  • Secondly, a decomposition model of CPM system is elaborated, which shows that a CPM system can be decomposed into a continuous-phase encoder (CPE) and a memoryless modulator (MM).

    然后详细阐述了连续相位调制器分解模型模型可以分解一个线性连续相位编码器CPE记忆调制器(MM);

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  • The diffracted light intensity on axis of a Spatial light Modulator (SLM) with Multi-level Phase Fresnel Zone Plate (MPFZP) is studied by diffraction optical method.

    衍射光学方法研究加有多级相位菲涅尔波带(MPFZP)空间调制器(SLM)的衍射

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  • This paper present optical false heterodyne method. It's modulator of phase is constructed by LN crystal in Michelson's interferometer.

    本文报导光学外差方法利用LN晶体放置迈克尔干涉仪的参考臂中做电光相位调制。

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  • The device is based on a liquid crystal display (LCD), to form a phase-most spatial light modulator.

    装置采用一个液晶显示器(LCD),它形成相位空间调制器。

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  • This modulator, based on a novel hybrid structure, not only has a programmable duty cycle but also realizes phase modulation.

    这个调制器基于一个新型混合结构不但产生可编程的空比,而且能通过相位离散调整实现相位调制。

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