提出了一种混合多址系统伪码捕获的实现结构，并且与几种经典结果进行了性能比较，结果表明这种方法具有一定优越性。
This paper introduces the realization of a PN acquisition scheme in burst DSSS communication, which is compared with traditional classical methods and attains a better result.
提出了一种将线性多用户检测与发射分集相结合的新方法，该方法能在克服信道衰落的同时抑制多址干扰和码间串扰。
A novel approach is proposed for linear multi user detection in conjunction with transmit diversity to combat channel fading, multi user interference and inter symbol interference.
在这种情况下，通常还不知道其它用户的扩频码和数据信息时，利用定向天线的空间分割方法是减小多址干扰的简单有效措施。
Considering that spread sequences and data of other users cannot be also attained, the space division receiving could be a simple and effective method to reduce MAI.
CDMA蜂窝移动通信系统是一种采用多址技术的通信系统，即采用不同的地址码来区分用户、基站和信道。
CDMA mobile communication system adopts multiple access techniques which means different address codes are used to distinguish users, base stations and channels.
盲自适应多用户检测器只需知道期望用户的扩频码及定时信息，就可以实现对多址干扰的有效抑制。
A blind adaptive multi user detector can suppress multi user interference, but only requiring timing and signature waveform of desired user.
本文推导非同步c D M A系统多址干扰表达式，计算正交码调制码组相关性对多址干扰的影响。
The performance representation indicating the effects of correlation of orthogonal code modulation sequences on MAI suppression in nonsynchronous CDMA system has been derived.
利用降低码片速率有效降低每路信号占有的带宽，将每路信息的比特分配在不同的调制载波上，减少了各路信号间的多址干扰。
Frequency width is compressed by decreasing signature-code speed and using bit-signal modulates by different carrier so as to decrease multi-user interference.
结果显示：理论上采用双极性纯随机序列作为地址码可以使多址干扰达到最小，而在实际应用中伪随机m序列作为地址码也使多址干扰趋向最小。
The results show that MAI is minimized if pure random sequences are used as address codes, and m sequences are appropriate substitutes for pure random sequences in practice.
为了利用无碰撞区跳频码的特点，论文提出了一种适用于基于无碰撞区跳频码跳频通信系统的多址接入准同步组网方案。
In this thesis, a new quasi-synchronous multiple access scheme suitable for FH communication system employing NHZ hopping code is proposed.
为了利用无碰撞区跳频码的特点，论文提出了一种适用于基于无碰撞区跳频码跳频通信系统的多址接入准同步组网方案。
In this thesis, a new quasi-synchronous multiple access scheme suitable for FH communication system employing NHZ hopping code is proposed.
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