• 实验验证了线性组合速率分多址接入系统方案可行性

    The feasibility of multi-bit rate optical code division multiple access system is experimentally demonstrated.

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  • 根据柱面,建立了光码集本身导出二维容量分析理论

    Then based on the optical code-cylinder, the analytical theory of maximum system capacity of 2-D OCDMA system is established in detail.

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  • 提出一种适用于正交作为地址分多址多用户干扰并行干扰抑制系统

    The design of two-dimensional optical orthogonal codes encoder and decoder in optical code-division multiple access system;

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  • 作为实现网络最有前途方案之一,复用(OCDM)系统正日益引起人们关注

    As one of the most prospect schemes for all-optical networks realization, optical code division multiplex (OCDM) system arose people's attention increasingly.

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  • 它们释放出神圣零点,是纯然无条件的爱,也是一种只能5以上维度存在光码

    They are emitting a divine energy of zero field, of pure love, unconditional love, and a light-code that can only exist in the 5th dimension and above.

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  • 半导体放大器(SOA)由于具有非线性特性开关功率尺寸较小等优点,非常适合用来实现转换

    Semiconductor optical amplifier (SOA) is very fit for all optical modulation format conversion due to its high nonlinear characteristics, lower switch power and small size.

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  • 比较结果表明,双极性地址方案提高系统性能;另外,提高功率还可改善系统性能。

    The results show that the scheme of the bipolarity address code and the higher laser power can improve the system performance.

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  • 采用方向记录轮廓信息,它依据轮廓走向顺序记录数据对以后的顺处理工作将十分方便

    The directional chain code is used to record the contour information data according to the trend of the contour, and this will be very convenient for the smoothing process later on.

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  • 其中有种在前366(400)发之后最后变成一之前是发出亮红色

    One type burned red to 366 m (400 yds ), then a brilliant red, before ending in a puff of smoke.

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  • 介绍IRIG-B对时概念IRIG-B对时模块的组成,组成部分包括处理器、电平转换器件、隔离器

    The paper introduces the time synchronization conception of the IRIG-B format code and its module constructions which include microprocessor, level converter and optically coupled isolator.

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  • 阐述利用区组设计理论构造正交方法,分析了获取的地址系统应用中的信噪比和误率。

    Though the theory of blocks designing, enough amount of address code is provided firstly, and then applied performance in system was analyzed.

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  • 介绍了正交二维正交概念性能进行了讨论。

    The concepts of optical orthogonal code and two-dimensional optical orthogonal code are introduced , and their performance is analysed .

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  • 减少时钟提取中的效应设计了注入数据脉冲进行预处理。

    To reduce the pattern effect in all-optical clock recovery, a novel device termed as code mixer was designed to preprocess the injected data signals.

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  • 超单纯设计用于构造重叠正交

    Super-simple designs are used in constructing optical orthogonal codes and superimposed codes.

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  • 分析功率,误差,单极和双极情况下对OCDMA系统性能影响

    The analysis of impact on error of code position for OCDMA system, Gained the formula of BER of system under the case.

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  • 结果表明方法构造正交具有较大容量良好相关特性一定实用性

    Simulation results indicate that the optical orthogonal code block constructed by this method has fairly large code capacity and good relativity, and has a certain practical applicability.

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  • 结果表明如果系统使用相同长的地址,则经过纠错系统同未经过纠错的编系统相比,其了明显的改善;

    The results show that the performance of BER of coded system has a large improvement versus uncoded one when the two systems have same code length;

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  • 本文提出一种利用基微线形滤波功能超高速关键(ook)相位键控型(PSK)的格式转换方案

    A scheme to achieve ultrahigh speed all-optical format conversion from on-off keying (OOK) to phase-shift keying (PSK) by using the linear filtering in the silicon ring resonators is proposed.

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  • 基于波导四波频(FWM)交叉相位调制(XPM)效应,提出归零(NRZ)归零(RZ)的调制格式转换

    A format conversion from a non-return-to-zero (NRZ) signal to return-to-zero (RZ) signal is presented based on four-wave mixing (FWM) and cross-phase modulation (XPM) in a silicon optical waveguide.

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  • 基于波导四波频(FWM)交叉相位调制(XPM)效应,提出归零(NRZ)归零(RZ)的调制格式转换

    A format conversion from a non-return-to-zero (NRZ) signal to return-to-zero (RZ) signal is presented based on four-wave mixing (FWM) and cross-phase modulation (XPM) in a silicon optical waveguide.

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