介绍了对宽带光频谱进行编码的非相干光码分多址技术。
This paper introduces some schemes for optical CDMA systems employing coding spectrum of noncoherent broadband light.
实验验证了线性组合码多速率光码分多址接入系统方案的可行性。
The feasibility of multi-bit rate optical code division multiple access system is experimentally demonstrated.
针对光谱相位编码光码分多址系统(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.
提出一种适用于光正交码作为地址码的光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;
相位编码扩谱光码分多址(OCDMA)通信系统是近年来OCDMA研究的热点之一。
Phase encode spreading optical code division multiplex access (OCDMA) communication system is one of the research focuses in recent years.
纠错编码技术可以提高光码分多址系统的频谱效率,并可以抑制频谱效率随码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.
提出混合波分复用(WDM)和光码分多址(OCDMA)网络结构方案,并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.
采用超抽样序列的非周期互相关函数值,研究了脉冲形状对切普异步时域相位光码分多址(OCDMA)系统性能的影响。
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.
仿真研究了传输信道和光功率对光码分多址系统性能的影响,分析了传输距离、光纤色散系数、光纤衰减、入纤光功率等与误码率和Q值的关系。
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.
无线光码分多址(W -OCDMA)接入网中,数据链路层的媒质接入控制技术(MAC)至关重要,它直接影响网络的性能、带宽利用效率、终端设备的复杂度和成本。
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.
无线光码分多址(W -OCDMA)接入网中,数据链路层的媒质接入控制技术(MAC)至关重要,它直接影响网络的性能、带宽利用效率、终端设备的复杂度和成本。
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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