By now, you know that Linux is a multiuser system and that each user belongs to one primary group and possibly additional groups.
现在，您了解了Linux是一个多用户的系统，每个用户属于一个主要组，也可能是附加组。
ABSTRACT Multiuser detection is one of the key techniques for future CDMA system.
多用户检测技术是未来CD MA系统的一个关键技术。
The space-time channel estimation and multiuser detection algorithm for the uplink of multicarrier CDMA (MC-CDMA) system in frequency selective Rayleigh fading channel were investigated.
研究了频率选择性瑞利衰落信道中的同步MC-CDMA系统上行链路空时信道估计及多用户检测算法。
It has been proved that iterative multiuser detection with decoding is a very effective way to increase system capacity in DS-CDMA systems.
在DS - CD ma系统中，联合译码的迭代多用户检测是克服多址干扰增加系统容量的有效方法。
This paper focuses on the multiuser detection in CDMA system, which includes SISO and MIMO systems.
这篇论文的研究的是CDMA系统中的多用户接收的问题，包括单天线系统和多天线系统。
A new transmission scheme, which combines transmit preprocessing with multiuser MIMO downlink system over frequency-selective fading channel is proposed.
提出了一种适用于频率选择性衰落信道，新的下行多用户MIMO系统预处理传输方案。
The multiuser both-lock encryption system of grey encryption theory is improved and a secret sharing scheme based on both-lock encryption system is put forward.
对灰色加密理论中的多用户双锁加密系统进行了改进，提出了一种基于多用户双锁加密系统的密钥分存方案。
This paper introduces the basic concept and model of access security control of the database system in a multiuser information system. It also describes its concrete implementation.
本文介绍了多用户信息系统中数据库的安全性控制的基本概念及控制模型，以及在多用户信息系统中安全性控制的实现方法。
An adaptive subcarrier allocation algorithm for multiuser OSTBC-OFDM system is discussed in this paper.
研究了基于正交空时分组码的多用户OFDM系统的自适应子载波分配算法。
Multiuser detection can efficiently reduce Multi-access Interference in CDMA system. At the same time, it can increase system capability and improve near-far effect.
码分多址系统中的多用户信号检测，能有效地减少多址干扰、增加系统的容量、改善远近效应。
In this paper, the orthogonal projection approximation subspace tracking (OPAST) is employed for channel estimation and space-time multiuser detection in space-time block coded MIMO system.
文章提出在空时分组编码的MIMO系统中利用OPAST这种子空间追踪算法进行盲空时多用户检测。
An algorithm of robust linear processing for the downlink multiuser MIMO system with imperfect known CSI is proposed.
提出了一种下行多用户MIMO系统中的鲁棒性线性处理算法。
A multiuser conference system based on the digital audio exchange technology is constructed.
构建了一个基于数字语音交换技术的多方会议系统。
This paper educed the necessity of multiuser detection by analysis the advantages and problems of the DS-CDMA system in existence.
本文从DS—CD MA的优势和存在的问题出发，引出了多用户检测的必要性。
Based on the multiuser OFDM system model and the user fairness, this paper designed the objective function of the adaptive resource allocation problem.
通过对多用户OFDM系统模型的分析，结合对用户公平性的考虑，给出了该系统中自适应资源分配问题的目标函数。
On multiuser or networked systems, matlabrc. m is reserved for use by the system manager.
在多用户或者联网的系统中，matlabrc就被系统管理员所应用。
Allocation of antennas and subcarriers is one of most important issue for multiuser MIMO-OFDM system radio resource management.
天线与子载波分配是多用户MIMO - OFDM系统无线资源管理中的重要内容。
The estimation of the coarse frequency offset and timing is one of the key technology in the uplink multiuser OFDM system.
上行链路中的粗频偏及定时估计是多用户OFDM系统的关键技术之一。
This paper focuses on carrier frequency offset estimation (CFO) and multiuser interference elimination in uplink OFDMA system based on generalized carrier assignment schemes.
本文针对上行链路任意分配子载波重点研究了载波频偏估计和多用户间干扰消除的方法。
The capacity and performance of a DS-CDMA system is greatly limited by Multiple Access Interference (MAI) and therefore many multiuser detection algorithms have been proposed.
在直序扩频码分多址(DS -CDMA)系统中，多址干扰(MAI)极大地制约系统容量及性能。
Typically, use of a multiuser or securely protected single-user system claim a unique name (called a user ID) that can be generally known.
通常情况下，使用多用户或安全地保护单用户系统要求一个唯一的名称(称为一个用户ID)，可以一般。
A multiuser scheduling method for MIMO system using random beamforming technique is proposed.
针对采用随机波束形成的MIMO系统，研究了一种多用户调度算法。
A subcarrier allocation algorithm is presented for multiuser MIMO-OFDM communication network based on maximum of the system sum capacity.
针对多用户MIMO- OFDM通信网络，提出了一种基于系统和容量最大化的子载波分配算法。
A subcarrier allocation algorithm is presented for multiuser MIMO-OFDM communication network based on maximum of the system sum capacity.
针对多用户MIMO- OFDM通信网络，提出了一种基于系统和容量最大化的子载波分配算法。
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