着重阐述了智能天线、智能功率控制和智能接收技术在CDMA系统中的原理与应用。
The author analyzes the principle and application of the technologies of smart antenna, power controlling and intelligent receiving respectively in the CDMA system.
本文叙述了单个有源发射天线、单个有源接收天线、有源发射天线阵及有源接收天线阵的工作原理和基本特性。
This paper describes the operating principles and the basic properties of single active transmitting antenna, single active receiving antenna, active transmitting array and active receiving array.
第三，介绍了扩展卡尔曼滤波原理，并对GPS接收机天线的布局及影响定姿精度的因素进行了分析。
Third, introduce the principle of extended Kalman filter, and analyze the layout of GPS antenna and factors which can impact the accuracy of attitude determination.
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