信息通信日新月异,无线技术前景无限。近十年来,无线通信得到了飞速的发展,伴随着移动通信和个人无线通信用户数量的急剧增加,通信流量和数据速率不断提高,对通信系统资源利用率的要求也相应地越来越苛刻。然而经过几十年的充分挖掘,频率、时间和编码技术的潜力几乎已经发挥到了极致,进一步提升的空间已经受到较大的限制,空间资源的开发成为业界瞩目的焦点,智能天线多天线等天线技术应运而生成为各类新颖通信系统的关键技术之一。智能天线是雷达自适应天线技术在无线通信领域的延伸和应用,通过阵列天线电流幅相分布的智能化调节,跟踪期望用户方向使之高效通信,并在干扰方向产生零陷达到抑制非期望用户的目的。因而就功能而言,

智能天线已经从传统天线单纯的定向、高效地传输能量和信息的传感器型部件转变为集能量和信息的传递,干扰抑制,空间滤波,目标的识别、定位和跟踪等多种功能于一体的综合子系统。

-Information and communication with each passing day, the prospect of unlimited wireless technology. Over the past decade, wireless communication has been the rapid development, accompanied by a sharp increase in mobile communications and personal wireless communication number of users, traffic and data rates continue to increase, the communication system resource utilization requirements are correspondingly more demanding. However, after decades of fully tap the potential of frequency, time and coding technology almost to the extreme, to further enhance the space it has been subject to greater restrictions, the development of space resources become the focus of industry attention, smart antennas and other multi-antenna antenna technology emerged to become one of the key technologies of various types of new communication systems. Smart antenna technology to extend the radar and adaptive antennas used in wireless communications, intelligent array antenna current by adjusting amplitude an