But in WDMA, specific and stable wavelength transmitter is essential.
而采用该方式需要特定且稳定的波长光发送模块。
This paper analyses the features of optical CDMA, comparing to optical TDMA, optical WDMA and radio CDMA.
本文介绍了光cdMA技术的特点，与光tdma、光wdma及无线CD MA技术进行了比较。
Total users and spectral efficiency are studied under different proportion of total available bandwidth that is allocated to OCDMA and WDMA.
当可用带宽在WDMA与OCDMA之间不同的分配情况下，研究了该混合系统的总用户数和频谱效率。
Total users and spectral efficiency are studied under different proportion of total available bandwidth that is allocated to OCDMA and WDMA.
当可用带宽在WDMA与OCDMA之间不同的分配情况下，研究了该混合系统的总用户数和频谱效率。
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