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.
此外，由于信号传输采用码分多址技术(CDMA)，保密性极高。
Besides, the signal ling USES the CDMA technology, so its secrecy was extremely enhanced.
最后，采取了同步码分多址技术和非线性自适应滤波技术来抑制冲击干扰和窄带连续波干扰。
Finally, the S-CDMA and the adaptive nonlinear filter techniques are used to restrain the impulse interference and the narrow-band continuous wave interference.
传统的遥控遥测系统多运用码分多址技术，在某些信道环境下，它的传输速率有时达不到高速通信的要求。
The CDMA system was widely used in the traditional system, but its data rate is not fast enough to satisfy the system that needs in some channel environment.
由于伪随机码固有的测距能力——其长周期和互相关特性，使得在测距距离和精度方面可以同时提高，采用码分多址技术可以实现对多个目标同时进行测控。
As the PN-code high performance of long period and the coherence, the very long distance and high precision ranging can be reached at the same time. Multi-target TT&C can be reached by CDMA of PN.
它在主导的3G技术W-CDMA（宽带分码多工存取）方面实力薄弱，而过多地依靠与之竞争的CDMA（码分多址）技术，该技术标准不及前者受欢迎。
The combined company was also weak in W-CDMA, the dominant 3G technology, and relied too much on CDMA, a rival standard that is less popular.
MUOS利用第三代宽带码分多址蜂窝电话技术实现地面部分。
MUOS leverages third generation (3G) Wideband Code Division Multiple Access (WCDMA) cellular phone technology in the implementation of the ground segment.
本文以IS- 95系统为例，分析了该系统在围绕提高容量方面所采用的几项关键技术，从中反映出了CD MA(码分多址)数字蜂窝系统的一些特点。
In this paper, we analyse some key technology for increasing the capacity in IS-95 CDMA sys-tem, which mirror some features of CDMA digital cellular systems.
智能天线和干扰消除技术是从不同角度抑制码分多址系统多址干扰的方法，二者各有其特点及不足之处。
Smart antennas and interference cancellation are two different kinds of schemes to restrain multi-access interference, and each has its characteristic and defect.
准入控制是码分多址蜂窝网络中服务质量保证的一个关键技术。
Admission control is one of the key policies to guarantee Quality of Service in cellular CDMA networks.
在直扩码分多址(DS - CDMA)通信中，盲信号检测及干扰抑制技术是增加系统容量的重要手段。
In direct sequence code division multiple access (DS-CDMA) communications, blind signal detection and interference cancellation are the important methods to increase system capacities.
对基于光纤码分多址(OCDMA)技术的全光网进行了研究。
It investigates the technology of optical CDMA (OCDMA) using in all optical networks.
着重分析了在码分多址（CDMA）数字蜂窝移动通信系统中的三种用户检测技术。
This paper mainly analyzes three user detection approaches in digital cellular mobile communication systems based on CDMA.
介绍了无线接入网中的两种关键技术：OFDM(正交频分复用)和CD MA(码分多址)。
Two multiple access techniques are analyzed in the context of this paper: Orthogonal frequency division multiplexing (OFDM) and code division multiple access (CDMA).
光码分多址（OCDMA）技术主要应用在接入网中。
The technology of OCDMA has many advantages in access network.
接着简述无线定位的几种常用技术，并分别说明时分多址和码分多址两类蜂窝网所用无线定位技术的情况。
Then, it briefly mentions the current technologies used for the wireless location including methods used by TDMA and CDMA cellular networks.
扩频技术在码分多址通信中的应用产生了DS/CDMA数字蜂窝移动通信系统。
The DS/CDMA digital mobile communication system is based on Spread-spectrum technique and CDMA technique.
具有码分，频分和时分多址组成部分的无线通信系统，尤其是具有混合多址技术的“联合检测码分多址通信系统。”
Wireless telecommunications system with CDMA, FDMA and TDMA multiple access component, especially 'JD-CDMD' telecommunications system with hybrid multiple access techniques.
本文对照频分多址和时分多址系统的频谱效率，阐述了码分多址系统提高系统容量的几项关键技术。
The author has described several key techniques for improving the capacity of CDMA digital celullar system, comparing to the spectral efficiency of FDMA and TDMA cellular system.
在多跳分组无线网中使用码分多址（CDMA）技术可以明显地降低隐终端问题对网络造成的影响。
The effects of hidden terminals on the network′s performance can be greatly reduced by using code division multiple access (CDMA) in multihop wireless networks.
多载波扩展频谱码分多址系统（MC／CDMA）是一种消除符号间干扰的有效技术。
MC/CDMA is one of the effective techniques to mitigate the ISI.
准入控制是码分多址(CDMA)蜂窝网络中服务质量保证的一个关键技术。
Admission control is one of the key policies to guarantee Quality of Service (QoS) in cellular CDMA networks.
智能天线技术是TD - SCDMA(时分同步码分多址)中的关键技术之一。
Smart antennas technology is one of the key technologies in TD-SCDMA (Time Division-Synchronous Code Division Multiple Access).
多用户检测技术是码分多址系统中解决多址干扰的关键技术。
The multi-user detection is a key technique to solve the problem of MAI existing in DS-CDMA system.
对于第三代无线移动通信系统，直接序列码分多址将是一种主要的接入技术。
There is every indication that Direct-Sequence Code Division Multiple Access (DS-CDMA) will be one of the multiple access schemes for the third generation wireless mobile systems.
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.
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.
码分多址（CDMA）技术作为第三代移动通信系统的主要接入方式，受到了人们的密切关注。
Code division multiple access (CDMA) has received a great deal of attention asan access method for the third-generation mobile communication systems.
码分多址（CDMA）技术作为第三代移动通信系统的主要接入方式，受到了人们的密切关注。
Code division multiple access (CDMA) has received a great deal of attention asan access method for the third-generation mobile communication systems.
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