This paper proposes a new technique, which combines SDMA with spread spectrum CDMA. In SDMA, multi-beamforming is available by parallel data processing and one aircraft is tracked by one beam.
笔者提出空分多址和码分多址结合，用并行数据处理形成多波束，每一个波束跟踪一个目标，以实现多飞行器测控。
The DS/CDMA digital mobile communication system is based on Spread-spectrum technique and CDMA technique.
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 design of spread spectrum code sequence is constructing pseudo-random sequence which is possessed of different structure and good performances in order to satisfy the need of CDMA system.
扩频码序列的设计就是构造不同结构的具有良好特性的伪随机序列来满足CD MA系统的要求。
Now one of the mostly applications of spread spectrum technology is the popular CDMA mobile communication system.
目前，扩频通信技术的主要应用之一就是流行的CD MA移动通信系统。
Therefore, researching particle filtering techniques and its applications in the chaotic spread spectrum DS-CDMA system has great theoretical and practical significance.
因此，开展对粒子滤波技术及其在混沌扩频DS - CD MA通信系统中的应用的研究具有重要的理论与现实意义。
Pseudo-random sequences with optimal properties such as correlation, high linear spans, balance and long period are widely used in CDMA system, spread spectrum and hopping communication systems.
具有优良相关性，大线性复杂度，平衡性，长周期的伪随机序列广泛应用于CDMA系统，扩跳频通信系统。
Pseudo-random sequences with optimal properties such as correlation, high linear spans, balance and long period are widely used in CDMA system, spread spectrum and hopping communication systems.
具有优良相关性，大线性复杂度，平衡性，长周期的伪随机序列广泛应用于CDMA系统，扩跳频通信系统。
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