论文部分内容阅读
软件无线电随着无线通信系统的发展有着越来越多的应用空间和应用的必要性。本文简单介绍了软件无线电概念及特点．3G实现的关键技术，并对-3G中软件无线的应用和实现进行了分析。
中软牛无线电的应用分析
【摘 要】
：
软件无线电随着无线通信系统的发展有着越来越多的应用空间和应用的必要性。本文简单介绍了软件无线电概念及特点．3G实现的关键技术，并对-3G中软件无线的应用和实现进行了分析
【机 构】
：
浙江邮电职业技术学院
【出 处】
：
信息通信
【发表日期】
：
2008年4期
其他文献
为了提高铅酸蓄电池的充电效率,缩短充电时间,消除蓄电池的极化现象,在分析密封式铅酸蓄电池的充电特性的基础上,采用脉宽调制技术,分阶段改变充电电流的大小,根据电压、电流
Technical features about CAN bus are described. One kind of scheme in Hotel Guest RoomService and Management System based on CAN bus is presented. The systems structure and mainfunction are expounded.
The bondage number of γf, bf(G) , is defined to be the minimum cardinality of a set of edges whose removal from G results in a graph G′ satisfying γf(G′)＞γf
A class of second-order two-point boundary value problem on a measure chain was considered. Under some suitable conditions, by using the Leggett-Williams fixed
Existence and nonexistence criteria are established for the positive periodic solutions of two species population growth with periodic delay by applying continu
The energies, radiative and Auger rates of the doubly excited states of Be-like Ar14+ ion are studied using the multi-configuration-interaction method and the m
引入变长度棱边多项式的概念,并分析了其稳定性.在该多项式族的一个端点稳定的情况下,以形如H-1(f0)H(g)的矩阵的特征值确定了该多项式族的稳定性半径,其中H(f0)和H(g)均为Hu
对车辆运动状态下捷联惯导系统的初始对准技术进行研究.以里程计作为外部传感器,建立了运动状态下初始对准的数学模型,分析了系统状态的可观测性,并进行了仿真研究.结果表明,
In order to improve the efficiency of the combustion of boilers, an approach named self-optimizingwhich takes the temperature of furnace as the major signal to