• 码分多址(OCDMA)技术主要应用接入网中。

    The technology of OCDMA has many advantages in access network.

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  • 介绍宽带频谱进行编码非相干码分多址技术

    This paper introduces some schemes for optical CDMA systems employing coding spectrum of noncoherent broadband light.

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  • 码分多址(OCDMA)技术提供宽带宽和实现

    The Optical Code Division Multiple Access (OCDMA) technology can provide broad bandwidth and multiple accesses.

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  • 实验验证了线性组合速率码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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  • 针对相位编码码分多址系统(OCDMA)的信息侦听技术进行了研究

    The information eavesdropping techniques of spectral phase-coded OCDMA system were investigated.

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  • 提出一种适用于正交作为地址码码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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  • 相位编码扩谱码分多址(OCDMA)通信系统近年来OCDMA研究热点之一

    Phase encode spreading optical code division multiplex access (OCDMA) communication system is one of the research focuses in recent years.

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  • 纠错编码技术可以提高光码分多址系统频谱效率可以抑制频谱效率长的增加而减小的特性。

    Error correction coding is used to increase the spectral efficiency, and it can avoid the spectral decrease with the increase of the length.

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  • 提出混合波分复用(WDM)码分多址(OCDMA)网络结构方案,建立数学模型讨论该网络结构的阻塞率

    The scheme of hybrid WDM and optical code division multiple access (OCDMA) system is proposed and its blocking rate is analysed.

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  • 采用抽样序列周期互相关函数值,研究了脉冲形状切普异步时域相位码分多址(OCDMA)系统性能影响

    The effects of pulse shape on the chip-asynchronous coherent time-spreading OCDMA system performances are analyzed by the aperiodic cross-correlation function of up-sampled sequence.

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  • 仿真研究了传输信道功率光码分多址系统性能影响分析了传输距离色散系数、衰减、入纤功率等误码率Q的关系。

    The influences of length, dispersion index and attenuation index of transmission fiber and incident optical power on ber (bit error rate) and Q value of the system is analyzed.

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  • 无线码分多址(W -OCDMA)接入网中,数据链路层媒质接入控制技术(MAC)至关重要,直接影响网络性能带宽利用效率终端设备复杂度成本

    In wireless optical code multiple access (W-OCDMA) network, Media access Control (MAC) is a key issue, which determines network performance, bandwidth efficiency, complexity and cost of terminal.

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  • 无线码分多址(W -OCDMA)接入网中,数据链路层媒质接入控制技术(MAC)至关重要,直接影响网络性能带宽利用效率终端设备复杂度成本

    In wireless optical code multiple access (W-OCDMA) network, Media access Control (MAC) is a key issue, which determines network performance, bandwidth efficiency, complexity and cost of terminal.

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