This paper is dedicated to propose a new mac protocol that can well utilize the advances of smart antenna system 本文致力于研究出一种能够很好地利用智能天线系统优点的mac协议。
In satellite communications , pertaining to antenna systems with a beam for maximum cover of the earth ' s surface 在卫星通信技术中，指天线系统其波束能最大程度地覆盖地球表面的区域。
A multi - body dynamic model of a rigid satellite with flexible antenna system and flexible solar array has been built 建立了包括刚性卫星星体、柔性帆板和柔性天线系统的多体力学模型。
The gain of the retrodirective antenna in the incoming signal direction fluctuates with ? db as the incident angle increases 在来波方向上，天线系统的增益随来波的入射角有fzdb的波动。
Onli a properly matched antenna system will allow maximum power transfer from the 50 transmission line to the radiating element 只有一个匹配合适的天线系统才能在发射时使能量充分辐射出去。
A radio receiver and directional antenna used as a system to determine the angular direction of incoming radio signals 无线方向探测器一种无线电接收和指向天线系统，用来确定收到的无线电信号的角方向
The antenna system has a good characteristic with wide symmetrical beamwidth , broad impedance bandwidth and compact structure 整个线性渐变槽天线系统具有对称波瓣、宽频带、宽主瓣和结构紧凑等特点。
Two important applications are as band - pass radomes and as sub reflectors for dual frequency reflector antenna system 其最主要的两个应用是作为带通滤波器的天线罩和用作双频率反射天线系统的副反射器。
A device that permits the simultaneous use of a transmitter and a receiver in connection with a common element such as an antenna system 一种设备,允许同时使用连接在一个公共器件(如天线系统)上的接收器和发送器。
The antenna investigated in the dissertation is the unilateral slot antenna with fed taper and end taper , which is fed by fin - line 最后借助于三维高频电磁场仿真软件ansofthfss ,对整个鳍线馈电线性渐变天线系统进行了优化。
